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## 1st Grade Number & Operations Skills

Prior Standards Implementation

## The standards listed below have been replaced by a newer set of standards.

## Please go to Current 1st Grade Math Standards for current resources.

## Number and Operations

Count by 2's, 5's, and 10's to 100.

1.1.1 a

- Connect the dots - count by 2's and 5's
- Connect the Dots - make a rabbit by counting by 1's
- Connect the Dots - make a dog by counting by 5's
- Counting - to 10 , to 20 , to 50 , customize number and blanks - from FreeMathTest

- Worksheets to print are also available supporting instruction of this topic
- Counting by Two's - counting up by 2's - read the green section to review, scroll to the blue section for a practice game
- Counting by Fives - count up by 5's - read the green section to review, scroll to the blue section for a practice game
- Counting by Tens - count up by 10's - read the green section to review, scroll to the blue section for a practice game
- Fairy Fog - count by 2's, 5's, 10's, and 100's.
- Help the Shark Find His Friend - 1 to 50 by ones or 2 to 100 by twos
- How Much Money is This? - count by 10's (dimes) up to $1.00
- Sequences - Count by 2's, 5's, or 10's or customize or print worksheets &
- Spooky Sequence - double digit numbers count by 2s
- Spooky Sequence - count by 5's
- Spooky Sequence - count by 10s
- Super Sequencer - Input the starting number of a sequence, the increment (amount of change), and then select the speed with which the next numbers will be displayed. an your students predict the next number?
Count how many objects are in a set by 1's to 100.

1.1.1 b

- Counting Objects - count to 10 , count to 30 , count to 50 , count to 100 , Customize it for some other number - from FreeMathTest

- Worksheets to print are also available supporting instruction of this topic
- Counting to 100 - Count objects to 100 - read the green section to review, scroll to the blue section for a practice game
- Worksheet Generator - One Hundred Chart, can be used to teach counting or skip counting
Count how many objects are in a set by 2's, 5's, and 10's up to 30.

1.1.1 c

- Ghost Blasters - Click on ghosts that are multiples of ten . Click as many times as you can, you can get multiple points on each ghost.
Count forward or backward by one beginning with any number less than 100.

1.1.1 d

- Counting Down - [ from 100 ] next number if counting down - read the green section to review, scroll to the blue section for a practice game
- Space Hopscotch - Count forward from 6 to 24 by 2's and then count backward from 24 to 6 by 1's.
- 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
- Super Sequencer - ( forward only ) Input the starting number of a sequence, the increment (amount of change), and then select the speed with which the next numbers will be displayed. an your students predict the next number?
Identify the place value of a digit in numbers to 99.

1.1.1 e

- Beginning Place Value - group the ones into tens to see what numbers come up.
- Finding Place Values - state the number in the place value of ones or tens - read the green section to review, scroll to the blue section for a practice game
- Illustrate Place Values - create numbers using the ones and tens place
- Naming Place Values - ones and tens - read the green section to review, scroll to the blue section for a practice game
- Place Value Party - Choose any ages to start, then trade candles until both cakes have the same number.
- Shark Numbers - match numeral with tens and ones graphic
- Tens and Ones - type the number seen in the number graph
Read and write numerals up to 100.

1.1.1 f

- Really Big Numbers - Enter a number then click the Click here button to see how to write it. Use numbers appropriate to this spi.
- Word Game - [ click Continue to play the game ] select and combine words that spell out a given number, numbers from 20 to 99 used
- Write numbers up to 100 - type in missing numeral
Count by 10's from any number using a hundreds chart.

1.1.1 g

- Ghost Blasters - Click on ghosts that are multiples of ten . Click as many times as you can, you can get multiple points on each ghost.
- Give the Dog a Bone - use an interactive hundreds charts to find numbers
- Explore the Multiplication Table with Math Cats - an interactive hundreds chart
- Hundreds chart as an Excel workbook
- Percentage Paint - paint blocks on a 10x10 grid - use this as a whole group activity and ask students to paint fractions or percents.
- Rabbits - recall multiplication facts using a hundreds chart
- Splat Square - This hundreds chart allows the selection of any number by clicking a color to splat then clicking on the number.
- Sum Fun - practice addition facts to 18
Use concrete objects to model whole numbers to 99 (e.g., base-ten blocks, sticks, and straws).

1.1.1 h

- Base 10 - build blocks to create numbers with tens and ones - reinforces tally marks, number line, base ten blocks, and allows hundred blocks for advanced students
- Base 10 Blocks - exploring whole decimal numbers with blocks
- Trading Game - explore regrouping using place value blocks [designed for 3rd grade]
Identify odd and even whole numbers to 50.

1.1.1 i

- Color Odd and Even Numbers - color the picture according to odd and even numbers - uses numbers greater than 100 [ slide the color circles to produce colors, red and green make yellow ]
- Ghost Blasters (Odd) - Click on ghosts that are odd numbers. Click as many times as you can, you can get multiple points on each ghost
- Ghost Blasters (Even) - Click on ghosts that are even numbers. Click as many times as you can, you can get multiple points on each ghost
- Me Too - classify whole numbers as odd or even.
- Odd/Even - count the objects and choose odd or even
- Odd or Even - drag and drop number tiles to the correct part of a Venn diagram
- Odd or Even - numbers up to 10 , numbers up to 30 , numbers up to 50 , customize for any upper number you select - from FreeMathTest

- Worksheets to print are also available supporting instruction of this topic
- Twins - identify odd and even numbers.
Match halves and fourths to shaded regions of a single object or figure.

1.1.1 j

- Fraction Concentration - match fractions with shaded regions [ concentration style game ]
- I Want My Half - understand concrete and symbolic representations of fractions
- Percent Paint - students paint blocks on a 10x10 grid ? use this as a whole group activity and ask students to paint fractions or percents.
- Shaded Portion - ten questions, shaded portions of a variety of shapes (Caution: some thirds are included)
Show 1/2 and 1/4 of a set of objects.

1.1.1 k

- Fabulous Fractions - learn the concept of equal parts as related to fractions.
- Flowering Fractions - understand common fractions by using model representations.
- Fourths - What fraction of the rectangles are blue? - read the green section to review, scroll to the blue section for a practice game
- Fraction Bar - add a bar then break it into fractions, decimals, or percents
- Fraction Flags - design a flag using halves or quarters
- Fraction Flags - design a flag using thirds
- Fraction Painting - use a 2x2 grid , 3x3 grid , 4x4 grid , 5x5 grid , or a 6x6 grid
Match the spoken, written, concrete, and pictorial representations of 1/2 and 1/4.

1.1.1 l Recognize one whole as two halves or four fourths.

1.1.1 m Count the value of a set of coins up to 50?

1.1.1 n

- Change It ! - practice adding up all of your coins - You select the number of problems that you want to use as well as the number of pennies, nickels, dimes, quarters, and half dollars that may appear in each problem. You may elect to express your questions in words only, coins only, or a combination of both
- Coins for Candy - identify, know the value of, and compare the values of a penny, nickel, and dime
- Counting Coins - add coins on the flashcards
- Counting Coins - up to 5? , to 20? , up to 50? , up to 99? , customize amounts - from FreeMathTest

- Worksheets to print are also available supporting instruction of this topic
- Counting Money - Learn about pennies, nickels, dimes, and quarters. Learn how to add coins in this lesson.
- Discovering Coin Values - a target amount is given and students drag coins to the slide to equal that amount [values over 50? used]
- Grandpa's Game - count money [50? and $1 coins are used at the end of this game]
- How Much Money is This? - count by 10's (dimes) up to $1.00
- Let's Compare - Count the Coins; self checking
- Match the coins to the amount - a printable from Enchanted Learning ( another version of this activity ) ( a third worksheet on this topic )
- Money Drills (from Room 108) - drag coins, one at a time, to equal the amount given [ values above 50? used ]
- Money Flashcards - Coins and bills, or just coins, are displayed and students determine the value. Best used as a whole class review; this is not a game with an end. Occasionally values greater than 50? are displayed.
- Money Review - Three levels for counting money review
- U. S. Coins (printables from Enchanted Learning) - Scroll a bit more than halfway down this page until you see Adding and Subtracting Coins (Printouts) . Look below that to see about six dozen printables of various difficulty.
Sequence and order whole numbers less than 100.

1.1.1 o

- Number Track - (1-20) - three levels of difficulty depending on how many numbers you need to rut in order
- Numbers to 100 - Click on the number grid where you think a particular number is located. Whole class activity or pairs
- Ordering Numbers to One-Hundred - arrange numbers from least to greatest by clicking and dragging the numbers
Represent numbers in flexible ways using a variety of materials (e.g., 23 as 23 ones, 1 ten and 13 ones, and/or 2 tens and 3 ones).

1.1.1 p Identify and use ordinal numbers up to twelfth.

1.1.1 q

- Get In Line - explore ordinal positions
- Match Cardinal and Ordinal numbers - click and drag
- Match Cardinal and Ordinal numbers - concentration style game
- Ordinal Balloons - click on the balloons and put them the right carts
- Ordinal Numbers - [ spanish language ] put them in order.
- Practice Ordinal Numbers - [ scroll down to the orange section to practice ] name the ordinal
- Twelve Cats in a Row - eleven of them are black, you pick which ordinal number describes the orange cat
Compare whole numbers through 100 using the appropriate symbol (e.g., <, >, and =).

1.1.1 r

- Compare - 1-9 , 1-20 , 10-99 , 100-999 , customize the range of numbers - from FreeMathTest

- Worksheets to print are also available supporting instruction of this topic
- Compare It ! - Students can practice comparing numbers, objects, or words using Greater Than, Less Than, Equal, Greater Than or Equal, Less Than or Equal, and Not Equal operators. You can have them compare words only, symbols only, or use both words and symbols.
- Compare Numbers - choose the yellow button for numbers less than 100
- The 'Less than' Lake Maze - Help monster cross the lake by jumping from one stepping stone to the next. The next number on a stone must be smaller than the one before.
- The 'More than' Marsh Maze - Help monster cross the marsh by jumping from one island to the next. The next number on an island must be more than the one before.
Use a number line or hundreds grid to find one more or one less than any number to 50.

1.1.1 s

- Worksheet Generator - Number Lines; Print your own number line worksheets, you decide on the starting and ending numbers and the increment.
Explain whether the solution to a word problem is reasonable.

1.1.2 a

- Word Problems for Grades 1-5 - This KidZone math page has seven first grade problems. Each time you open a new page the site generates new values for the problem.
Solve simple story problems involving addition and subtraction with numbers less than 20.

1.1.2 b

- Farm Addition - add groups of newly hatched chicks
- Matching Pictures to Number Sentences - study each picture and then click on the number sentence that describes the picture
- Odd Bugs - The odd bugs lived in the hollow of an old tree. Every odd-bug had an odd number of legs and of course an odd number of feet. Which Odd Bugs could pair up to make six legs
- 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)
- 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)
- Sum to 10 - Click on the number that makes 10 when you add it to the number on the card Marty is holding up.
Develop story problems that illustrate basic addition and subtraction facts.

1.1.2 c Use words, actions, pictures, and concrete objects to solve problems.

1.1.3 a

- Help Caillou Build a Train Track - When Caillou asks "Do you want to play with me?", click on the train. Match patterns of track pieces to let the passengers get to the train station.
Use pictures or objects to show one more or one less than any number to 99.

1.1.3 b Estimate the number of objects in a group and explain the reasoning for the estimate.

1.1.3 c

- Estimate - (use as a whole class activity) select a range, display tick marks and estimate before revealing the answer
- Guess the Number - developing skills in halving and estimation
Explain and justify solutions and strategies in problem solving.

1.1.3 d Add and subtract up to two-digit whole numbers using various strategies (e.g., counting up or back, taking away, doubles plus one, comparison, number relationships, and modeling).

1.1.3 e

- Adding - 1-3 , 2-5 , 3-8 , 5-10 , 5-20 , 10-99 , customize for any number range - from FreeMathTest

- Worksheets to print are also available supporting instruction of this topic
- Ambleweb Addition Machine - choose a skill level, type the answer, and then check for correctness.
- Ambleweb Subtraction Machine - choose a skill level, type the answer, and then check for correctness.
- 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 spi.
- Balloon Pop Subtraction for Kids - Three levels for review
- Little Animals Activity Centre

- Addition - from the Little Animals Activity Centre
- Subtraction - from the Little Animals Activity Centre
- Addition & Subtraction - from the Little Animals Activity Centre
- 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.
- 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)
- Mad Math Minutes - 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
- Math Baseball - Complete the Number Sentence. - Addition - Numbers less than 10
- Math Baseball - Subtraction - Numbers less than 5
- Paint Brush Math - Paint by Numbers (but figure out the equations to figure out what the numbers actually are.)
- Subtraction - 1-3 , 2-5 , 3-8 , 5-10 , 5-20 , 10-99 , customize for any number range - from FreeMathTest

- Worksheets to print are also available supporting instruction of this topic
- Sum Fun - practice addition facts to 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)
- 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)
- Sum Sense (Addition) - Students practice single digit addition by dragging numbers to complete the sentence.
- Sum Sense (Subtraction) - Students practice single digit subtraction by dragging numbers to complete the sentence.
- Test the Toad - Add or subtract numbers from 1 to 15 by clicking on the numbered person.
Use calculators in problem-solving situations.

1.1.3 f National Library of Virtual Manipulatives

- Number & Operations (Grades PreK-2)

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