πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 1 = ?
Answer: ______________
212 − 2 = ?
Answer: ______________
314 − 9 = ?
Answer: ______________
418 − 2 = ?
Answer: ______________
519 − 8 = ?
Answer: ______________
6Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
714 − 12 = ?
Answer: ______________
819 − 9 = ?
Answer: ______________
919 − 12 = ?
Answer: ______________
1018 − 5 = ?
Answer: ______________
1116 − 14 = ?
Answer: ______________
1219 − 19 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 15
- 2. 10
- 3. 5
- 4. 16
- 5. 11
- 6. 5
- 7. 2
- 8. 10
- 9. 7
- 10. 13
- 11. 2
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20