πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 3 = ?
Answer: ______________
220 − 4 = ?
Answer: ______________
312 − 6 = ?
Answer: ______________
414 − 6 = ?
Answer: ______________
5Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
612 − 8 = ?
Answer: ______________
712 − 1 = ?
Answer: ______________
813 − 12 = ?
Answer: ______________
911 − 5 = ?
Answer: ______________
10Get to ten first: 11 − 8 = 11 − 1 − ?
Answer: ______________
1111 − 6 = ?
Answer: ______________
1219 − 18 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 16
- 3. 6
- 4. 8
- 5. 4
- 6. 4
- 7. 11
- 8. 1
- 9. 6
- 10. 7
- 11. 5
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20