Mathematics Knowledge & Skills - 4th Grade

| Number, operation, and quantitative reasoning | Patterns, relationships, and algebraic thinking | Geometry and spatial reasoning |
| Measurement | Probability and statistics | Underlying processes and mathematical tools |
Page last edited 4/11/2009
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a site for teachers | a PowerPoint show | Adobe Acrobat document | a Word document sound | video format | interactive lesson | a quiz | lesson plan | to print

1. Place Value
   1. My Place - [this link opens on a new page] Students learn that the value of a digit is determined by the placement of that digit. (Author - Sandi King)
   2. Place Value - this video lesson explains place value in whole numbers and decimal numbers, and then gives your students the chance to show understanding on a quiz.
   3. Place Value- rounding numbers and place value activities (choose from easy to super hard)
   4. Practice place value at FreeMathTest - numbers 10 to 99, numbers 100 to 999, numbers 1000 to 9999
   5. Place Value and Decimal - Quick Time movie explaining place values.
   6. Place Value - Lesson One- Quick Time movie explaining place values
   7. Place Value - Lesson Two- Quick Time movie explaining place values
   8. Place Value - Lesson Three- Quick Time movie explaining place values
   9. Place Value - Lesson Four- Quick Time movie explaining place values
   10. Place Value Party - Choose any ages to start, then trade candles until both cakes have the same number.
   11. There Must Be Thousands - [this link opens on a new page] Students read, write and identify numerals to the hundred thousands. (Author - Sandi King)
2. Alligator Lunch - Students learn greater than and less than symbols. (Author - Sandi King)
3. Decimal Order - put the sequence of decimal numbers into ascending order
4. MathDrill lets your students practice <, >, or =
5. Practice comparison at FreeMathTest - numbers from 0 to 10, numbers from 10 to 50, numbers from 50 to 100.

1. Addition and Subtraction Word Problems
2. Checking Subtraction - Students explore the inverse relationship of addition and subtraction. (Author - Sandi King)
3. Circus Fun - [this link opens on a new page] Students add up to three digits with regrouping. (Author - Kaye Maddox)
4. Decimal Darts - [game for one or two players] an invisible number line is superimposed on a dart board, students calculate the location of a balloon and then throw a dart
5. Decimal Squares Blackjack - cards containing decimals are displayed, students decide whether to ask for more cards until they get as close to 2.0 without going over
6. Fun on the Farm - Multiply the numbers and add the totals to see how much the farmer should charge for his products.
7. It's A Fact - [this link opens on a new page] Students practice basic subtraction facts. (Author - Kaye Maddox)
8. Lemonade Stand - How much money is needed to purchase cups of lemonade?
9. Let's Do Lunch - [this link opens on a new page] Students use a menu to order lunches that meet various criteria. (Author - Sandi King)
10. Let's Go Shopping - [this link opens on a new page] Students estimate by rounding to the nearest dollar as they shop. (Author - Sandi King)
11. Math stories with Leon the Chameleon - Click on the Addition and Subtraction button under the heading Select a Story
12. Math Story Problems! - Kid created math story problems ("Kitten" pages are the easiest.) There are lots of links to pages of problems... scroll way down to see them all
13. My Backpack - [this link opens on a new page] Students add columns and find missing addends using data generated from a chart. (Author - Sandi King)
14. Place Value Strategy - [game for one or two players] a spinner is used to select a number, players then decide where to place the number in order to make the greatest possible decimal value
15. Show Me The Money - [this link opens on a new page] Students add using columns. (Author - Sandi King)
16. Speed Grid: Addition - (level 3) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
17. Speed Grid: Subtraction - (level 3) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
18. Spy Guys Interactive - Decimals - Lesson 1
19. Spy Guys Interactive - Solving Problems with Decimals - Lesson 5
20. Word Problems for Grades 1 - 5 - This KidZone math page has four fourth grade problems. Each time you open a new page the site generates new values for the problem.

1. Adding Fractions - in Fishy Fractions click on , then click on Begin Game. When the sign up screen comes up click to begin the game.
2. Fraction Flowers - online game
3. Identify the Gems for Each Store and Ship the Order - determine which gems are equivalent to the ones wanted by each store and then ship the order (check to see if you were right)
4. Maggies Farm - keep up with how many apples are sold and how much money was made
5. Shade - Shade the figure to match the equivalent fraction
6. Simple Fractions - An instructional site that reviews terms, factoring, reducing, addition and subtraction of fractions
7. Subtracting Fractions - in Fishy Fractions click on , then click on Begin Game. When the sign up screen comes up click to begin the game.
8. Tony's Fraction Pizza Shop - great interactive game on fractions.
9. Visual Fractions - Review on identifying, renaming, comparing, addition and subtraction - online quizzes follow lessons

1. Ice Cream Shop - Convert improper fractions to mixed fractions
2. Improper Fractions - in Fishy Fractions click on , then click on Begin Game. When the sign up screen comes up click to begin the game.
3. Mixed Numbers - [this link opens on a new page] Students identify and define mixed number parts. (Author - Joseph Howell) [somewhat elementary, but reinforces the concept clearly]
4. Mixed Numbers - in Fishy Fractions click on or then click on Begin Game. When the sign up screen comes up click to begin the game.
5. Spy Guys Interactive - Improper Fractions & Mixed Numbers - Lesson 2
6. Worksheet Generator - Reducing Fractions to Lowest Terms - You decide on the number of problems, the difficulty and whether or not to include improper fractions

1. Ambleweb Divider Machine - three levels are available
2. Decimal Number Line - Identify and estimate decimal fractions on a number line. Move the pointer along the line, find a number between two others by looking at the next decimal place. Click on “Use the decimal number lines tool” at the bottom of the page.
3. Decifractator - convert fractions to decimal equivalents
4. Flowering Fractions - [this link opens on a new page] Students understand common fractions by using model representations. (Author - Roseanne Phillips)
5. Fraction Quiz using shaded portions of objects
6. Maggies Farm - keep up with how many apples are sold and how much money was made
7. Old Egyptian Math Cats Fractions - Add fractions like a true Old Egyptian Math Cat!
8. On Target - [this link opens on a new page] Students recall division facts. (Author - Kaye Maddox)
9. Organize the Wrenches - wrenches of various sizes must be placed in order from smallest to largest
10. Pizza Party - practice fractions by deciding how much pizza is left (10 questions)
11. Who Wants Pizza? - work through ten interactive pages on pictorial representations of fractions
12. Worksheet Generator - Print your own number line worksheets, you decide on the starting and ending numbers and the increment.

1. Count decimals using graphic shapes
2. Decimal Darts - [game for one or two players] an invisible number line is superimposed on a dart board, students calculate the location of a balloon and then throw a dart
3. Decimal Number Line - Identify and estimate decimal fractions on a number line. Move the pointer along the line, find a number between two others by looking at the next decimal place. Click on “Use the decimal number lines tool” at the bottom of the page.
4. Decifractator - convert fractions to decimal equivalents
5. Fraction and Decimal Match - in Fishy Fractions click on , then click on Begin Game. When the sign up screen comes up click to begin the game.
6. What's Your Name? - [this link opens on a new page] Students know the value of numbers when written in standard form or expanded notation. (Author - Sandi King)
7. Death To Decimals - Click up at the top for detailed instructions for how to play. Match fractions with decimal form of the number.

1. Addition Surprise - fill in sums in the addition grid to complete a surprise picture
2. Ambleweb Addition Machine - select Level 1 to practice this skill [addition only]
3. Are You a Math Magician? - Two levels of practice with several operations are available; addition, subtraction, multiplication or division. Mixed practice is also available; addition and subtraction, multiplication and division, or a mix of all four. Select the level appropriate for this skill. Addition game & Subtraction game also available
4. Arithmetic Four - (A game like Connect Four) A pair of students must answer arithmetic questions (select addition or subtraction) to earn a piece to place on the board. Select the easy level for one-digit numbers
5. Checking Subtraction - [this link opens on a new page] Students explore the inverse relationship of addition and subtraction. (Author - Sandi King)
6. Circus Fun - [this link opens on a new page] Students add up to three digits with regrouping. (Author - Kaye Maddox)
7. Ghost Blasters II (addition practice) - (two players) Students must “blast” a pair of ghosts whose sum equals some number specified before the game begins. Sums from 5 to 99 can be set.
8. Fill-in Equation - supply the missing number in subtraction equations
9. It's A Fact - [this link opens on a new page] Students practice basic subtraction facts. (Author - Kaye Maddox)
10. Math Facts - timed math facts, or select practice mode without the timer
11. Math Facts from Harcourt School - (K-3) Content available at the site: Addition and Subtraction sums and differences to 10, 12, and 20; Multiplication and Division facts to 5, to 10, to 12. Verbal instructions are included and students can select timed or untimed. (30 facts)
12. Timed Addition Facts - at end of 60 seconds this site shows the score and answers to problems - select addition and practice your facts
13. Math Mastery - select subtraction and practice your facts
14. Math Mayhem - a fast paced program where you can select addition problems - (warning: turn sound to mute; this activity gets very loud!) Some two-digit numbers are used, but most are one-digit.
15. Mental Math - select Addition of Subtraction to practice your skills. Choose the green dot for one-digit numbers
16. Number Families - fill in the missing numeral when given the family of addition and subtraction values
    1. More practice can be found here in the relationships between addition and subtraction.
17. SpacyMath - You must sign in, but you can use the same log on for everyone in the class. - choose from addition or subtraction
18. Speed Grid: Addition - (level 1) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
19. Speed Grid: Subtraction - (level 1) Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
20. Sum Sense (Addition) - Students practice single digit addition by dragging numbers to complete the sentence.
21. Sum Sense (Subtraction) - Students practice single digit subtraction by dragging numbers to complete the sentence.
22. What number would complete this sentence? - find the missing addend

1. Add Decimals - Repair the train track by adding pieces of track with decimals.
2. Addition of Decimals - explanation followed by practice
3. Decimal Darts - [game for one or two players] an invisible number line is superimposed on a dart board, students calculate the location of a balloon and then throw a dart
4. Decimal Squares Blackjack - cards containing decimals are displayed, students decide whether to ask for more cards until they get as close to 2.0 without going over
5. Decimal Squares Interactive Games - add, subtract and multiply decimals in a multitude of games.
6. Draggable Decimals - add, subtract, multiply decimals. Personalize problems with this game, selecting number of decimals to include.
7. Let's Do Lunch - [this link opens on a new page] Students use a menu to order lunches that meet various criteria. (Author - Sandi King)
8. Making Change - [this link opens on a new page] Students count money and make change. (Author - Sandi King)
9. Money Program - three levels; easy (ends in multiples of five), medium, and advanced (giving change back)
10. Show Me The Money - [this link opens on a new page] Students add using columns. (Author - Sandi King)
11. Subtraction of Decimals - What is the difference between the two decimals? explanation followed by practice
12. School Store - [this link opens on a new page] Students subtract using decimals as they make change. Regrouping will be required. (Author - Kaye Maddox)

1. Groups Of Dogs - [this link opens on a new page] Students use arrays to understand the meaning of multiplication. (Author - Sandi King)
2. Using Number Patterns, Fractions, and Ratios - use a Quia quiz to practice greatest common factor, simplify fractions, least common multiple, and divisibility rules [Who Wants to be a Millionaire format]

1. Check It Out - [this link opens on a new page] Students uses manipulatives to divide by 6. (Author - Sandi King)
2. Checking Division - [this link opens on a new page] Students learn that multiplication is the inverse operation of division. (Author - Sandi King)
3. Math Fries - Students have to eat French Fries that have math problems on them that equal a certain number displayed on top of the screen.
4. Multiplication - Table Shooter - Fly the plane and shoot the target that has the answer. Earplugs recommended. select which fact family to study
5. Number Cop - select multiples of some number (2-9), click on Start then use the left and right arrows to move the police car to intercept only multiples of that number

1. All in the Family - [this link opens on a new page] Students multiply and divide fact families that have the number 7. (Author - Sandi King)
2. Ambleweb Times Table Tester - practice multiplication facts on one of three levels; Easier, Harder, or Megahard.
3. Are You a Math Magician? - Two levels of practice with several operations are available; addition, subtraction, multiplication or division. Mixed practice is also available; addition and subtraction, multiplication and division, or a mix of all four. Select the level appropriate for this skill. Multiplication game also available
4. Arithmetic Four - (A game like Connect Four) A pair of students must answer arithmetic questions (addition, subtraction, multiplication, division) to earn a piece to place on the board. Parameters: time limit, difficulty level, types of questions
5. Checking Division - [this link opens on a new page] Students learn that multiplication is the inverse operation of division. (Author - Sandi King)
6. Check It Out - [this link opens on a new page] Students uses manipulatives to divide by 6. (Author - Sandi King)
7. Count the Goodies - This multiplication activity from Harcourt School’s Mighty Math Calculating Crew asks you to multiply using regrouping. Three problems at a time are presented.
8. Draggable Math - Keep your numbers in the correct column with this game!
9. Explore the Multiplication Table with Math Cats - an interactive hundreds chart
10. Fact Families - [this link opens on a new page] Students learn about multiplication and division fact families. (Author - Jackie Russell)
11. FlashCards - timed game, practice facts, type answers
12. Groups Of Dogs - [this link opens on a new page] Students use arrays to understand the meaning of multiplication. (Author - Sandi King)
13. Mad Math Minutes - [this link opens on a new page] This is a great way to practice basic math skills in addition, subtraction, multiplication, and division. You pick the number of and types of problems that you want to practice. You may also choose the largest number used in a problem as well as the number of terms (numbers) used
14. Math Fries - Students have to eat French Fries that have math problems on them that equal a certain number displayed on top of the screen.
15. Math Mastery - select operation and practice your facts
16. Mathematics Problem Solving Index - choose the operation and solve the problem.
17. Multiplication Hidden Picture - Identify the answer to the problem to uncover a hidden picture underneath.
18. Minute Math - select type and level of problems to give students practice in addition, subtraction, multiplication, or division
19. Multiplication - Table Shooter- Fly the plane and shoot the target that has the answer. Earplugs recommended. Can select which fact family to study.
20. Multiplication Mystery - drag the product to the correct place on a 9 x 9 grid
21. Multiflyer - A fun way to study multiplication facts. Earphones are suggested! They will ask you to join, but it is free online. Just click, No thank you to continue.
22. Multiplication Flash Card Game - a timed 30-second game
23. Nine Pattern - [this link opens on a new page] Students explore patterns while multiplying and dividing by 9. (Author - Kaye Maddox)
24. Rabbits - [this link opens on a new page] Students recall multiplication facts using a hundreds chart. (Author - Kaye Maddox)
25. Speed Grid: Multiplication - Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)
26. Spinning Wheels - [this link opens on a new page] Students learn multiplication facts. (Author - Kaye Maddox)
27. Times Table Practice
    1. Multiplication Generator - pick the fact family you wish to review.
    2. Multiplication Number Sense - Understand multiplication by using this grid.
1. Quick Flash - practice times table facts here
2. Time Tables Emporium - Have fun practicing your multiplication tables. Simply look at the MENU bar to the left and click on a times table you wish to practice and try and keep up with the flashcards! Excellent for a quick competition for the whole class!
3. Times Table Grid - students are asked to locate the product of two single-digit numbers
4. Times Table Grid II - students are given a sample product and asked where to locate it on a 10x10 grid
5. Multiplication Tables - Practice individual sets of fact by numeral.
6. Tools for Times Tables - Site to help students learn their facts.
28. Worksheet Generator - Constructs a set of simple arithmetic problems. You can choose the number of problems presented, as well as the types of questions asked.

1. Animal Legs - [this link opens on a new page] Students use repeated addition as a strategy to solve multiplication story problems. (Author - Sandi King)
2. Count the Goodies - This multiplication activity from Harcourt School’s Mighty Math Calculating Crew asks you to multiply using regrouping. Three problems at a time are presented.
3. Draggable Decimals - add, subtract, multiply decimals. Personalize problems with this game, selecting number of decimals to include.
4. Draggable Math - Keep your numbers in the correct column with this game!
5. Mad Math Minutes - [this link opens on a new page] This is a great way to practice basic math skills in addition, subtraction, multiplication, and division. You pick the number of and types of problems that you want to practice. You may also choose the largest number used in a problem as well as the number of terms (numbers) used.
6. Multiplication Mystery - drag the product to the correct place on a 9 x 9 grid
7. Save the Clown fish - Help the clown fish escape the shark by answering fifteen single digit multiplication problems before missing three.
8. Spy Guys Interactive - Problem Solving Bank - Lesson 20. (fifteen problems to solve, with suggested strategies given)
9. Sum Sense (Multiplication) - Students practice single digit multiplication by dragging numbers to complete the sentence.
10. Tackle Math Ball - learn your math facts a fun way. This is a game in which students
    choose football teams and rumble down the field by identifying math facts.
11. Word Problems for Kids - Pick your grade level and start solving problems!

1. All in the Family - [this link opens on a new page] Students multiply and divide fact families that have the number 7. (Author - Sandi King)
2. Ambleweb Divider Machine - three levels are available
3. Arrange a Party - [this link opens on a new page] Students use problem solving steps to find and use the range of a set of data to plan a party. (Author - Kristy Rousseau)
4. Cameron's Trip - [this link opens on a new page] Students multiply and divide to solve real-world problems. (Author - Jackie Russell)
5. Checking Division - [this link opens on a new page] Students learn that multiplication is the inverse operation of division. (Author - Sandi King)
6. Dividerama - division with two-digit divisors
7. Math stories with Leon the Chameleon - Click on the Multiplication and Division button under the heading Select a Story (select Maybe Later on the registration screen)
8. Minute Math - select type and level of problems to give students practice in addition, subtraction, multiplication, or division
9. Nine Pattern - [this link opens on a new page] Students explore patterns while multiplying and dividing by 9. (Author - Kaye Maddox)
10. On Target - [this link opens on a new page] Students recall division facts. (Author - Kaye Maddox)
11. Sum Sense (Division) - Students practice single digit division by dragging numbers to complete the sentence.

1. Comparison Estimator - Similar to Estimator but compares two sets of objects.
2. Estimate - (use as a whole class activity) Select a range, display tick marks and estimate before revealing the answer.
3. Estimation Valley Golf- Estimate answers to problems and putt your way into a championship!
4. Estimator - Practice estimation skills by determining the number of objects, length, or area. (parameters: error tolerance)
5. Guess the Number - developing skills in halving and estimation
6. Let's Go Shopping - [this link opens on a new page] estimate by rounding to the nearest dollar as they shop (Author - Sandi King)
7. More or Less Estimator - Similar to Estimator activity but states a quantity and asks the user to estimate whether the set of objects is more or less than the number given.
8. Round About - [this link opens on a new page] Students estimate by rounding. (Author - Sandi King)
9. Rounding - to the nearest ten or dollar, a quiz from Saxon math
10. That's Right - [this link opens on a new page] Students estimate measurements in real-world problems using money. (Author - Kaye Maddox)

1. Number & Operations (Grades 3 - 5)

1. Brenda's Bedroom Border - [this link opens on a new page] complete a pattern (Author - Paulette Boggs)
2. Crack the Code - find the missing number in a series
3. Missing Numbers - [this link opens on a new page] find the missing numbers in a sequence (Author - Carol Senn)
4. Patterns - this video lesson explains patterns, and then gives your students the chance to show understanding on several quizzes.
5. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. (square numbers)
6. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. (triangular numbers)
7. Spooky Sequences - One of the ghosts is missing a number. Click on the numbers along the bottom to enter the right number in the sequence. one digit numbers (by ones) | two digit numbers (by ones) | three digit numbers (by ones) | counting by twos | counting by fives | counting by tens | backward by ones | backward by twos | backward by fives | backward by tens
8. Spy Guys Interactive - Summarizing/Extending Patterns - Lesson 8
9. What's the Pattern? - eight questions regarding patterns

1. Algebra (Grades 3 - 5)

1. Identify Geometric Shapes - Match the shape with the correct name to uncover a picture
2. Identify types of Angles - Select correct name of angles
3. Measuring Angles - Investigating angles and the use of a protractor
4. Online Angle Lesson - Learn about the different types of angles

1. Anglemania - (3-5) [this link opens on a new page] Students describe triangles using appropriate geometric vocabulary. (Author - Laurie Ayers)
2. Identify Shapes - two- and three-dimensional geometric figures are used
3. Patterns for Solid Figures - Complete to make a cube figure
4. Quad Squad - [this link opens on a new page] Students describe various quadrilaterals. (Author - Sandi King)
5. Solid Pattern Pieces - [this link opens on a new page] Students name the different faces of solid figures to make objects using a pattern. (Author - Paulette Boggs)

1. Cube - Find out which colors will be on opposite faces of a cube whose faces are shown unfolded.
2. Flipping Monsters - Can you make all the Space Monsters face to the right? You must turn two monsters at a time. They must be next to each other.
3. Wrapping Paper Patterns - [this link opens on a new page] Students decide which figures would result from a flip, a slide, or a turn. (Author - Paulette Boggs)

1. Congruent Concentration - [this link opens on a new page] Students use a matching board to demonstrate knowledge of congruent figures. (Author - Paulette Boggs)
2. Congruent or Not - [this link opens on a new page] Students explore the concept on congruency of polygons. (Author - Randy Russell)

1. Lines of Symmetry - this video lesson explains horizontal, vertical and diagonal line symmetry, and then gives your students the chance to show understanding on several quizzes.

1. Decimal Darts - [game for one or two players] an invisible number line is superimposed on a dart board, students calculate the location of a balloon and then throw a dart
2. Decimal Speedway - [game for one or two players] the number line is in the form of a race track, students must multiply decimals and then locate the correct point on the track (number line)

1. Geometry (Grades 3 - 5)

1. Area - Calculate the Area of a Rectangle.
2. Shape Surveyor - You will be shown a rectangle (at FunBrain) with the dimensions labeled. You must calculate the area or perimeter of the rectangle.
3. Are We There Yet? - [this link opens on a new page] Students select the appropriate unit of measure. (Author - Kaye Maddox)
4. Area and Perimeter - calculate the area or perimeter of the rectangle
5. Area Explorer - Students are shown shapes on a grid after setting the perimeter and asked to calculate areas of the shapes.
6. Bucky's Blueprints - Choose One Story House and click on Maybe Later when the registration screen comes up.
7. Calculate the area of a Rectangle - instruction followed by practice activities
8. Fence Me In - [this link opens on a new page] Students find the perimeter of a rectangle. (Author - Mary Blackburn)
9. Finding the Area of a Rectangle - instruction followed by questions checking understanding
10. Find the area of a rectangle - This selection focuses on what the area of a rectangular object (like a room) means, and how it’s measured.
11. Finding the Area of a Rectangle in Square Units - Begin by clicking on one of the buttons on the left of the applet to draw a rectangle of the listed dimensions. Then respond to the questions the applet asks.
12. Finding the area and Perimeter of Rectangles - an interactive math lesson from Math Playground
13. Measure It - FunBrain will show you a ruler with a red bar above it. Click on the length of the red bar. You can play with centimeters or inches.
14. Measuring Tools - [this link opens on a new page] Students select measurement tools for real-world measuring situations. (Author - Sandi King)
15. Perimeter - Calculate the Perimeter of a Rectangle
16. Perimeter Explorer - Students are shown shapes on a grid after setting the area and asked to calculate perimeters of the shapes.
17. The Ruler Game - Learn To Read A Ruler (inches only - increments from inches to sixteenths)
18. Shape Explorer - Students are shown shapes on a grid and asked to calculate areas and perimeters of the shapes.
19. Spy Guys Interactive - Area and Perimeter - Lesson 12
20. Spy Guys Interactive - Relating Area and Perimeter - Lesson 13
21. Worksheet Generator - (inches only) Print your own worksheets to let your students practice reading a ruler.

1. Measurement Equivalents - match game with standard equivalent measurements, such as pounds, ounces, pints, cups, etc
2. Practice converting from one metric unit to another with this java applet (length, area, volume, mass, or time units)

1. Teaching Measures – Choose from three modules; length, mass, and capacity. Each category offers several activities for your large screen display as well as supporting worksheets.
2. Weight and Capacity - this video lesson explains weight and capacity and the units to measure each, and then gives your students the chance to show understanding on several quizzes.

(4.12)   The student applies measurement concepts; and measures time and temperature (in degrees Fahrenheit and Celsius).

1. 77 Degrees F... and rising! (The Greenhouse Dilemma) - analyze data regarding our atmosphere
2. Be a Scientist - [this link opens on a new page] Students estimate temperatures using a Celsius thermometer. (Author - Sandi King)
3. Hot Stuff - [this link opens on a new page] Students estimate temperatures using a Fahrenheit thermometer. (Author - Sandi King)
4. Thermometer - asks students to compare the temperature on two days, and it instructs them on the concepts of minus quantities as the difference between two things

1. Elapsed Time - free worksheets from Math Slice, time intervals from 1 hour to one minute
2. Elapsed Time on a Clock - an E-Lab activity from Harcourt School Publishers
3. Is It PE Time? - [this link opens on a new page] use a chart to solve problems (Author - Sandi King)
4. Right Time - [this link opens on a new page] Students explore the meaning of AM and PM while they tell time to the hour and half hour. (Author - Linda Burke)

1. Measurement (Grades 3 - 5)

1. Chances Are - [this link opens on a new page] Students predict the likelihood of events using a circle graph with percentages as a model. (Author - Michaél Dunnivant)
2. Hand Squeeze - (a data collection and analysis class experiment) - Pass a "hand squeeze" around a circle and measure the amount of time that it takes for the hand squeeze to complete the circle.
3. Heads I Win - [this link opens on a new page] Students predict the likelihood of tossing heads or tails and graphs the results of coin tosses. (Author - Michaél Dunnivant)
4. Leap Frog - [this link opens on a new page] Students design an experiment to answer a question, collect information, and interpret the results using charts. (Author - Michaél Dunnivant)
5. Lions and Tigers - [this link opens on a new page] Students predict the likelihood of a simple event (rolling a die) as a fraction. (Author - Michaél Dunnivant)
6. Me Too Probability - [this link opens on a new page] Students use a tree diagram to display possible outcomes of who will come to the party. (Author - Michaél Dunnivant)
7. The Random Ball-Picking Machine - experiment with a random generator at a BBC site to collect data to make decisions about probability.
   1. After you finish working through the ball-picking activity, take a ten-question quiz
8. What are Your Chances - What many people refer to as 'good luck' can actually be explained by a little knowledge about probability and statistics. Our dice game allows you to see how increasing or decreasing the number of dice rolls effects an outcome.
9. Why Can't I Win? - [this link opens on a new page] Students use a spinner to predict the likelihood of simple events occurring. (Author - Sandi King)
10. What Are My Chances - [this link opens on a new page] Students explore probability and ratios. (Author - Sandi King)

1. All The Parts - (3-5) [this link opens on a new page] Students learn the parts of a graph. (Author - Sandi King)
2. Bar Graph - Enter data to create a bar graph, then manipulate the graph's maximum and minimum values
3. Circle Graph - Enter data categories and the value of each category to create a circle graph (similar to "Pie Chart" but the user can define the data set)
4. Create-a-Graph - lessons and activities for all types of graphs
5. Data Picking - students collect data, enter tally marks or numbers and then select which graph is appropriate
6. Gere's Bike Shop - Read and Interpret Graphs at this BBC site
   1. After you finish the lesson at Gere's Bike Shop, take a test
7. Grapher - interactive column graph maker, students can change values and labels
8. The Hot Tub - This is a fun activity where students tell the story behind a graph and relate slope to rate of change.
9. How It All Stacks Up - [this link opens on a new page] Students interpret and compare information using a bar graph. (Author - Sandi King)
10. Interpreting Column Graphs - students practice by answering ten questions about the graph
11. Interpreting Data - survey a small group by clicking on each of the children, turn the tally marks into two types of graphs and then go back and take a different survey
    1. Interpreting Data Quiz - after you finish the lesson above, take this quiz
12. Kids Have Pets - [this link opens on a new page] Students learn about the parts of a bar graph and how to collect information. (Author - Sandi King)
13. Kinds Of Graphs - [this link opens on a new page] Students learn about various types of graphs. (Author - Sandi King)
14. Overview of a Bar Graph by Nicole Carroll followed by a practice quiz
15. Overview of a Line Graph by Nicole Carroll followed by a practice quiz ; another quiz
16. Overview of a Pictograph by Nicole Carroll followed by a practice quiz
17. Play Ball - [this link opens on a new page] Students collect data to put on a picture graph. (Author - Sandi King)
18. Pie Chart - Students view pie charts (parameters: number of sectors, size of sector as a percent)
19. Spy Guys Interactive - Understanding and Interpreting Graphs - Lesson 10
20. Use Graphs to Answer Questions - This Saxon math site uses pictographs or tally marks in the form of check marks. Graphs are sometimes repeated with new questions. Be careful! [ignore the error messages, the site works]
21. What percentage has been shaded - Guess the percent of the shaded pie chart

1. Data Analysis & Probability (Grades 3 - 5)

1. Mathematics Problem Solving Index - practice at solving a variety of open sentence problems
2. Math stories with Leon the Chameleon - Click on the Multiplication and Division button under the heading Select a Story (select Maybe Later on the registration screen)
3. Problem-Solving - numerous online tasks covering all operations with hints and answers provided.
4. Sum Sense (Division) - Students practice single digit division by dragging numbers to complete the sentence. 5
5. Sum Sense (Multiplication) - Students practice single digit multiplication by dragging numbers to complete the sentence.
6. Word Problems - using basic addition, subtraction, and multiplication
7. Word Problems for Kids - Pick your grade level and start solving problems!
8. Sock Adventures - Fractions/Estimations, Multiplication, Money: Run-away socks put students through critical thinking math exercises

1. 77 Degrees F... and rising! (The Greenhouse Dilemma) - analyze data regarding our atmosphere
2. Barrels of Milk - Seven barrels are full of milk. Seven others half filled, and the remaining seven are empty. Please help divide the barrels fairly.
3. Cave Data - use given data to draw conclusions about caves
4. Hydrologic Logic - evaluate the cost of handling erosion by-products
5. Ice Is Nice! - use glacier data to draw conclusions
6. Spy Guys Interactive - Problem Solving Bank - Lesson 20. (fifteen problems to solve, with suggested strategies given)
7. Twistin' and Turnin' ...Tornadoes! - analyze data regarding tornadoes