✏️ Turn-Around Facts: Practice A (1.OA.B.3)

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Apply properties of operations (commutative and associative) as strategies to add. Solve each problem.

1. If 7 + 6 = 13, then 6 + 7 = ___

2. 8 + 5 + 3 = ___ (add two numbers first)

3. If 5 + 7 = 12, then 7 + 5 = ___

4. 5 + 1 + 6 = ___ (add two numbers first)

5. If 2 + 7 = 9, then 7 + 2 = ___

6. 7 + 4 + 6 = ___ (add two numbers first)

7. If 5 + 6 = 11, then 6 + 5 = ___

8. 2 + 1 + 4 = ___ (add two numbers first)

9. If 2 + 8 = 10, then 8 + 2 = ___

10. 7 + 6 + 3 = ___ (add two numbers first)

11. If 9 + 4 = 13, then 4 + 9 = ___

12. 8 + 3 + 5 = ___ (add two numbers first)

Answer key: 1) 13 · 2) 16 · 3) 12 · 4) 12 · 5) 9 · 6) 17 · 7) 11 · 8) 7 · 9) 10 · 10) 16 · 11) 13 · 12) 16

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Worksheets › Grade 1 Math › Turn-Around Facts › Turn-Around Facts

Grade 1 (ages 6–7)Numbers & mathsFree printable PDF

About this grade 1 worksheet

Free Grade 1 math worksheet (Common Core 1.OA.B.3): turn-around facts — twelve practice problems, with answer key. Skill: Apply properties of operations (commutative and associative) as strategies to add. Level: Grade 1 — also suits Year 2 (UK).

For teachers: skills & standards

CCSS 1.OA.B.3: Apply properties of operations as strategies to add and subtract
Works as a morning-work page, a centre/station activity, homework or an early-finisher task.

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It is designed for Grade 1 (ages 6–7), but use it with any child who is ready.

What skills does it build?

Apply properties of operations (commutative and associative) as strategies to add.

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More “Turn-Around Facts” printables (1.oa.b.3: apply properties of operations (commutative and associative) as strategies to add)

Turn-Around Facts: Practice B (1.OA.B.3) · Turn-Around Facts: Mixed Practice & Reasoning (1.OA.B.3) · Turn-Around Facts: Show Your Thinking (1.OA.B.3) · Turn-Around Facts: Quick Check (1.OA.B.3)

All 5 turn-around facts sheets → · Grade 1 Math: all 10 skills → · All Common Core grades

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