πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 4 = ?
Answer: ______________
27 − 3 = ?
Answer: ______________
39 − 2 = ?
Answer: ______________
4Start at 11 and count back 3. Where do you land? (11 − 3)
Answer: ______________
515 − 2 = ?
Answer: ______________
610 − 1 = ?
Answer: ______________
7Start at 12 and count back 3. Where do you land? (12 − 3)
Answer: ______________
810 − 6 = ?
Answer: ______________
918 − 9 = ?
Answer: ______________
10Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
119 − 1 = ?
Answer: ______________
12Start at 9 and count back 3. Where do you land? (9 − 3)
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 4
- 3. 7
- 4. 8
- 5. 13
- 6. 9
- 7. 9
- 8. 4
- 9. 9
- 10. 14
- 11. 8
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20