πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
212 − 4 = ?
Answer: ______________
311 − 2 = ?
Answer: ______________
412 − 6 = ?
Answer: ______________
5Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
613 − 4 = ?
Answer: ______________
715 − 3 = ?
Answer: ______________
8Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
913 − 2 = ?
Answer: ______________
10Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
1116 − 9 = ?
Answer: ______________
1220 − 7 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 8
- 3. 9
- 4. 6
- 5. 2
- 6. 9
- 7. 12
- 8. 4
- 9. 11
- 10. 4
- 11. 7
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20