πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 6 = ?
Answer: ______________
212 − 8 = ?
Answer: ______________
310 − 2 = ?
Answer: ______________
4Start at 9 and count back 2. Where do you land? (9 − 2)
Answer: ______________
58 − 2 = ?
Answer: ______________
612 − 9 = ?
Answer: ______________
712 − 4 = ?
Answer: ______________
8Start at 17 and count back 2. Where do you land? (17 − 2)
Answer: ______________
914 − 6 = ?
Answer: ______________
105 − 4 = ?
Answer: ______________
1111 − 8 = ?
Answer: ______________
1213 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 4
- 3. 8
- 4. 7
- 5. 6
- 6. 3
- 7. 8
- 8. 15
- 9. 8
- 10. 1
- 11. 3
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20