πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 13 = ?
Answer: ______________
220 − 14 = ?
Answer: ______________
318 − 1 = ?
Answer: ______________
419 − 15 = ?
Answer: ______________
518 − 9 = ?
Answer: ______________
619 − 12 = ?
Answer: ______________
717 − 5 = ?
Answer: ______________
820 − 18 = ?
Answer: ______________
912 − 2 = ?
Answer: ______________
1012 − 8 = ?
Answer: ______________
1113 − 9 = ?
Answer: ______________
1212 − 11 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 6
- 3. 17
- 4. 4
- 5. 9
- 6. 7
- 7. 12
- 8. 2
- 9. 10
- 10. 4
- 11. 4
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20