πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 7 = ?
Answer: ______________
214 − 7 = ?
Answer: ______________
313 − 4 = ?
Answer: ______________
47 − 2 = ?
Answer: ______________
510 − 9 = ?
Answer: ______________
68 − 2 = ?
Answer: ______________
711 − 1 = ?
Answer: ______________
812 − 2 = ?
Answer: ______________
9Start at 13 and count back 3. Where do you land? (13 − 3)
Answer: ______________
1017 − 2 = ?
Answer: ______________
117 − 4 = ?
Answer: ______________
1219 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 10
- 2. 7
- 3. 9
- 4. 5
- 5. 1
- 6. 6
- 7. 10
- 8. 10
- 9. 10
- 10. 15
- 11. 3
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20