πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 4 = ?
Answer: ______________
219 − 6 = ?
Answer: ______________
317 − 9 = ?
Answer: ______________
4Start at 9 and count back 3. Where do you land? (9 − 3)
Answer: ______________
515 − 1 = ?
Answer: ______________
65 − 2 = ?
Answer: ______________
718 − 5 = ?
Answer: ______________
85 − 5 = ?
Answer: ______________
9Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
108 − 5 = ?
Answer: ______________
11Start at 12 and count back 3. Where do you land? (12 − 3)
Answer: ______________
12Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 13
- 3. 8
- 4. 6
- 5. 14
- 6. 3
- 7. 13
- 8. 0
- 9. 11
- 10. 3
- 11. 9
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20