πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 3 = ?
Answer: ______________
219 − 3 = ?
Answer: ______________
318 − 12 = ?
Answer: ______________
411 − 4 = ?
Answer: ______________
514 − 3 = ?
Answer: ______________
6Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
711 − 2 = ?
Answer: ______________
820 − 14 = ?
Answer: ______________
917 − 2 = ?
Answer: ______________
10Get to ten first: 11 − 9 = 11 − 1 − ?
Answer: ______________
1112 − 3 = ?
Answer: ______________
1216 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 16
- 3. 6
- 4. 7
- 5. 11
- 6. 1
- 7. 9
- 8. 6
- 9. 15
- 10. 8
- 11. 9
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20