πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
110 − 7 = ?
Answer: ______________
2Start at 12 and count back 3. Where do you land? (12 − 3)
Answer: ______________
312 − 2 = ?
Answer: ______________
4Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
59 − 9 = ?
Answer: ______________
617 − 9 = ?
Answer: ______________
713 − 6 = ?
Answer: ______________
8Start at 10 and count back 2. Where do you land? (10 − 2)
Answer: ______________
915 − 9 = ?
Answer: ______________
1019 − 6 = ?
Answer: ______________
117 − 1 = ?
Answer: ______________
12Start at 15 and count back 3. Where do you land? (15 − 3)
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 9
- 3. 10
- 4. 11
- 5. 0
- 6. 8
- 7. 7
- 8. 8
- 9. 6
- 10. 13
- 11. 6
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20