Practice Problems — Set 2
1.OA.C.6 · Add and subtract within 20, demonstrating fluency for addition and su…
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. 6 + 4 = ___ 2. 10 − 6 = ___ 3. 5 − 3 = ___
_See printable PDF for diagram._
Written practice
1. 5 + 6 = ___ 2. 11 − 5 = ___ 3. 5 − 2 = ___ 4. 4 + 1 = ___ 5. Fill in: 4 + ___ = 5 6. Without counting from 1, solve: 3 + 3 = ___ 7. 4 + 6 = ___ 8. 10 − 4 = ___
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More written practice
1. 5 − 1 = ___ 2. 4 + 2 = ___ 3. Fill in: 5 + ___ = 5 4. Without counting from 1, solve: 4 + 3 = ___ 5. 3 + 6 = ___ 6. 9 − 3 = ___
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Patterns and rules
1. 6 + 5 = ___ 2. 11 − 6 = ___ 3. 5 − 3 = ___
_See printable PDF for diagram._
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Parent tip: Short daily practice — 5 minutes