πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 7 = ?
Answer: ______________
25 − 3 = ?
Answer: ______________
3Start at 9 and count back 3. Where do you land? (9 − 3)
Answer: ______________
420 − 1 = ?
Answer: ______________
511 − 3 = ?
Answer: ______________
6Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
79 − 1 = ?
Answer: ______________
86 − 1 = ?
Answer: ______________
9Start at 10 and count back 2. Where do you land? (10 − 2)
Answer: ______________
1016 − 8 = ?
Answer: ______________
1110 − 3 = ?
Answer: ______________
12Start at 18 and count back 2. Where do you land? (18 − 2)
Answer: ______________
Answer key: Subtract within 20
- 1. 6
- 2. 2
- 3. 6
- 4. 19
- 5. 8
- 6. 14
- 7. 8
- 8. 5
- 9. 8
- 10. 8
- 11. 7
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20