πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 16 = ?
Answer: ______________
215 − 6 = ?
Answer: ______________
3Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
414 − 5 = ?
Answer: ______________
5Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
613 − 3 = ?
Answer: ______________
713 − 11 = ?
Answer: ______________
817 − 3 = ?
Answer: ______________
914 − 12 = ?
Answer: ______________
1018 − 7 = ?
Answer: ______________
1111 − 11 = ?
Answer: ______________
12Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 9
- 3. 1
- 4. 9
- 5. 1
- 6. 10
- 7. 2
- 8. 14
- 9. 2
- 10. 11
- 11. 0
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20