πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 12 and count back 3. Where do you land? (12 − 3)
Answer: ______________
217 − 7 = ?
Answer: ______________
310 − 2 = ?
Answer: ______________
48 − 6 = ?
Answer: ______________
517 − 8 = ?
Answer: ______________
610 − 6 = ?
Answer: ______________
714 − 1 = ?
Answer: ______________
89 − 3 = ?
Answer: ______________
96 − 4 = ?
Answer: ______________
10Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
11Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
126 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 10
- 3. 8
- 4. 2
- 5. 9
- 6. 4
- 7. 13
- 8. 6
- 9. 2
- 10. 5
- 11. 12
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20