Practice Problems — Set 5
1.OA.B.3 · Apply properties of operations as strategies to add and subtract
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. 5 + 4 = ___ 2. 9 − 4 = ___ 3. 21 − 5 = ___
_See printable PDF for diagram._
Written practice
1. 4 + 6 = ___ 2. Story: 10 stickers, give away 6. Left? ___ 3. 20 − 4 = ___ 4. Word problem: 20 marbles, lose 4. How many left? ___ 5. Story: 4 apples and 6 more. Total? ___ 6. Story: 10 stickers, give away 6. Left? ___ 7. 3 + 6 = ___ 8. Story: 4 birds, 6 fly away. How many remain? ___
___________________________ ___________________________ ___________________________ ___________________________
More written practice
1. 23 − 3 = ___ 2. Story: 4 apples and 6 more arrive. Total? ___ 3. Story: 3 apples and 6 more. Total? ___ 4. Story: 9 stickers, give away 6. Left? ___ 5. 6 + 6 = ___ 6. 12 − 6 = ___
___________________________ ___________________________ ___________________________ ___________________________ ___________________________
Patterns and rules
1. 5 + 5 = ___ 2. 10 − 5 = ___ 3. 37 − 5 = ___
_See printable PDF for diagram._
___________________________ ___________________________ ___________________________ ___________________________
Parent tip: Draw number bonds or number lines