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## 2nd Grade Algebra Skills

Prior Standards Implementation

## The standards listed below have been replaced by a newer set of standards.

## Please go to Current 2nd Grade Math Standards for current resources.

Sort objects by two or more attributes.

2.2.1 a Identify the rules by which objects or numbers have been sorted.

2.2.1 b

- Ambleweb Function Machine - students identify what process was used to produce a sequence of numbers (twelve processes available)
Extend a growing pattern, involving objects, shapes, or numbers.

2.2.2 a

- Brenda's Bedroom Border - complete a pattern
- Christmas Lights - identify and complete patterns
- Create your own pattern - drag shapes to create a pattern.
- 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.
- Missing Numbers - find the missing numbers in a sequence
- Number Cracker - guess what number comes next in the pattern
- Patterns - this video lesson explains patterns, and then gives your students the chance to show understanding on several quizzes.
- 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 )
- 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)
- 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 - 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?
- What Comes Next? - study repeating patterns and click on the one that continues the pattern
- Wolf, Goat, and Cabbage - Old Russian Puzzle: You have to carry a wolf, a goat, and a cabbage across a river.
Identify the unit of a three-part repeating pattern.

2.2.2 b Translate a repeating pattern from one format to another (e.g., red-blue-blue to snap-clap-clap).

2.2.2 c Determine the output number for a particular input number given a one-operation rule involving addition or subtraction.

2.2.2 d

- Ambleweb Function Machine - students identify what process was used to produce a sequence of numbers (twelve processes available)
Interpret and solve open sentences that involve addition or subtraction.

2.2.3 a

- My Backpack - Students add columns and find missing addends using data generated from a chart.
- 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.
- Walrus World - learn strategies for solving real world problems
Communicate and use mathematical terms and symbols appropriately.

2.2.3 b Show or represent number sentences, involving addition and subtraction and numbers 0-20, with concrete objects.

2.2.3 c

- Matching Pictures to Number Sentences - study each picture and then click on the number sentence that describes the picture
Demonstrate knowledge of and use the commutative property of addition.

2.2.4 a Show that subtraction is not commutative.

2.2.4 b Apply the addition and subtraction properties of 0 (adding or subtracting 0 doesn't change a given number).

2.2.4 c Describe qualitative change (e.g., a student growing taller).

2.2.5 a Describe quantitative change (e.g., a student growing 2 inches in 1 year).

2.2.5 b## Review Help

Practice Tests Interactive Practice Games

- Number Gym - This software company provides games as demonstration copies of their commercial product. All games are labeled "Demonstration" but are working copies and can be used by your students.
Daily Questions

- Daily Questions - to be given three times per week to serve as a ten to fifteen minute (approximate) review of practice test items and critical thinking (a 134 page document)
2nd Grade TAAS Practice Worksheets National Library of Virtual Manipulatives

- Algebra (Grades Pre-K - 2)

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