πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
19 − 1 = ?
Answer: ______________
25 − 2 = ?
Answer: ______________
3Start at 12 and count back 3. Where do you land? (12 − 3)
Answer: ______________
48 − 6 = ?
Answer: ______________
518 − 1 = ?
Answer: ______________
620 − 7 = ?
Answer: ______________
79 − 8 = ?
Answer: ______________
8Start at 16 and count back 2. Where do you land? (16 − 2)
Answer: ______________
919 − 5 = ?
Answer: ______________
10Start at 8 and count back 3. Where do you land? (8 − 3)
Answer: ______________
11Start at 13 and count back 2. Where do you land? (13 − 2)
Answer: ______________
1213 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 3
- 3. 9
- 4. 2
- 5. 17
- 6. 13
- 7. 1
- 8. 14
- 9. 14
- 10. 5
- 11. 11
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20