Operations and Algebraic Thinking Commmon Core Worksheets - 1.OA Common Core

CCSS.Math.Content.1.OA:

Represent and solve problems involving addition and subtraction.

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Adding a One-digit Number to a Two-digit Number

12,222 Downloads Grade 1 (983) Adding a One-digit Number to a Two-digit...

16,010 Downloads Grade 1 (759) Skip Counting

Subtracting from Two-digit Number

7,286 Downloads Grade 1 (849) Subtracting from Two-digit Number

Subtracting Two One-digit Numbers

6,638 Downloads Grade 1 (619) Subtracting Two One-digit Numbers

Complete the Addition Sentence

15,900 Downloads Grade 1 (625) Complete the Addition Sentence

Subtraction Sentences

5,514 Downloads Grade 1 (549) Subtraction Sentences