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Previous Standard Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Next Standard Understand the relationship between numbers and quantities; connect counting to cardinality.
Operations and Algebraic Thinking Understand and apply properties of operations and the relationship between addition and subtraction. 3Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
Worksheets
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Sort By Grade - Combining Addends worksheet Sort By Grade - Combining Addends worksheet 1oa3Combining Addends M
Each worksheet has 14 problems filling in a blank to make an equal problem.
Create New Sheet One atta Time Flash Cards Distance Learning
Select a Worksheet Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10 Grab 'em All
Sort By Grade - Using Commutative Property worksheet Sort By Grade - Using Commutative Property worksheet 1oa3Using Commutative Property
Fill in the blank to find the Commutative property.
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Sort By Grade - Using Addition Strategies worksheet Sort By Grade - Using Addition Strategies worksheet 1oa3Using Addition Strategies
Find the number that creates an identical problem.
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Sort By Grade - Using Commutative Property worksheet Sort By Grade - Using Commutative Property worksheet 1oa3Using Commutative Property M
Each worksheet has 14 problems filling in a blank for addition problems using the commutative property.
Create New Sheet One atta Time Flash Cards Distance Learning
Select a Worksheet Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10 Grab 'em All
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