πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 16 and count back 3. Where do you land? (16 − 3)
Answer: ______________
218 − 6 = ?
Answer: ______________
320 − 6 = ?
Answer: ______________
420 − 4 = ?
Answer: ______________
512 − 9 = ?
Answer: ______________
67 − 3 = ?
Answer: ______________
715 − 3 = ?
Answer: ______________
8Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
97 − 1 = ?
Answer: ______________
1017 − 3 = ?
Answer: ______________
1113 − 1 = ?
Answer: ______________
12Start at 13 and count back 3. Where do you land? (13 − 3)
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 12
- 3. 14
- 4. 16
- 5. 3
- 6. 4
- 7. 12
- 8. 5
- 9. 6
- 10. 14
- 11. 12
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20