1.OA.B.3 Worksheets: Properties of Addition

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1.OA.B.3 (Operations and Algebraic Thinking): Use the order and grouping of addends to make adding easier.

About this standard

First graders learn that the order of addends never changes a sum and that three numbers can be grouped in any way. Looking for a pair that makes ten, as in 7 + 4 + 3, is the habit worth building. Practice with Adding Three Numbers and Missing Addends With Three Numbers, then try 1.OA.D.8 for unknowns in every position.

Worksheets for 1.OA.B.3

Adding Three NumbersGrade 1 · Addition & Subtraction · 10 versions
Missing Addends With Three NumbersGrade 1 · Addition & Subtraction · 10 versions
Related Addition and Subtraction FactsGrade 1 · Addition & Subtraction · 10 versions
Commutative Property of AdditionGrade 1 · Addition & Subtraction · 10 versions

More 1st Grade Math standards in Operations and Algebraic Thinking

1.OA.A.1: Word Problems Within 20
1.OA.A.2: Add Three Numbers in Word Problems
1.OA.B.4: Subtraction as Unknown Addend
1.OA.C.5: Counting to Add
1.OA.C.6: Add and Subtract Within 20
1.OA.D.7: Meaning of the Equal Sign
1.OA.D.8: Find the Missing Number

All 1st Grade Math standards →