# 1st Grade Addition and Subtraction Strategies Worksheets 1.OA.3

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1st Grade Common Core Addition and Subtraction Strategies 1.OA.3
The attachment is a packet of five days of worksheets for first grade common core standard 1.OA.3 Apply properties of operations as strategies to add and subtract. It includes the commutative property (turn around facts) associative property, identity or zero property and finding tens. There is also review of fact families. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares. Each day has two worksheets, designed to be copied front and back. The front page focuses on the standard of the week and the back is a review of previous information. They all contain place value review and word problems, including an area to write an equation.

The review concepts this week are:
1.NBT.1 Count to 120, read a write numerals and represent a number of objects, reading and writing base ten blocks
1.OA.2 Word problems with three addends
Total Pages
10
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Teaching Duration
1 Week

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