πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
219 − 5 = ?
Answer: ______________
317 − 4 = ?
Answer: ______________
410 − 7 = ?
Answer: ______________
5Start at 16 and count back 2. Where do you land? (16 − 2)
Answer: ______________
6Start at 8 and count back 2. Where do you land? (8 − 2)
Answer: ______________
714 − 8 = ?
Answer: ______________
812 − 4 = ?
Answer: ______________
99 − 6 = ?
Answer: ______________
10Start at 16 and count back 3. Where do you land? (16 − 3)
Answer: ______________
11Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
1216 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 14
- 3. 13
- 4. 3
- 5. 14
- 6. 6
- 7. 6
- 8. 8
- 9. 3
- 10. 13
- 11. 7
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20