πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
17 − 6 = ?
Answer: ______________
29 − 5 = ?
Answer: ______________
36 − 3 = ?
Answer: ______________
413 − 6 = ?
Answer: ______________
515 − 7 = ?
Answer: ______________
6Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
79 − 9 = ?
Answer: ______________
814 − 2 = ?
Answer: ______________
9Start at 11 and count back 2. Where do you land? (11 − 2)
Answer: ______________
1013 − 7 = ?
Answer: ______________
11Start at 12 and count back 2. Where do you land? (12 − 2)
Answer: ______________
1211 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 4
- 3. 3
- 4. 7
- 5. 8
- 6. 11
- 7. 0
- 8. 12
- 9. 9
- 10. 6
- 11. 10
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20