πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 9 = ?
Answer: ______________
217 − 16 = ?
Answer: ______________
3Get to ten first: 11 − 5 = 11 − 1 − ?
Answer: ______________
415 − 1 = ?
Answer: ______________
5Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
613 − 12 = ?
Answer: ______________
712 − 1 = ?
Answer: ______________
817 − 10 = ?
Answer: ______________
912 − 2 = ?
Answer: ______________
1013 − 2 = ?
Answer: ______________
11Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
1214 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 1
- 3. 4
- 4. 14
- 5. 2
- 6. 1
- 7. 11
- 8. 7
- 9. 10
- 10. 11
- 11. 5
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20