πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
19 − 8 = ?
Answer: ______________
216 − 1 = ?
Answer: ______________
3Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
420 − 2 = ?
Answer: ______________
5Start at 11 and count back 3. Where do you land? (11 − 3)
Answer: ______________
612 − 9 = ?
Answer: ______________
719 − 4 = ?
Answer: ______________
8Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
98 − 5 = ?
Answer: ______________
107 − 1 = ?
Answer: ______________
1118 − 1 = ?
Answer: ______________
126 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 15
- 3. 11
- 4. 18
- 5. 8
- 6. 3
- 7. 15
- 8. 11
- 9. 3
- 10. 6
- 11. 17
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20