πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
110 − 1 = ?
Answer: ______________
216 − 8 = ?
Answer: ______________
39 − 3 = ?
Answer: ______________
419 − 4 = ?
Answer: ______________
55 − 2 = ?
Answer: ______________
619 − 2 = ?
Answer: ______________
79 − 4 = ?
Answer: ______________
820 − 8 = ?
Answer: ______________
99 − 2 = ?
Answer: ______________
105 − 1 = ?
Answer: ______________
1120 − 4 = ?
Answer: ______________
1217 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 8
- 3. 6
- 4. 15
- 5. 3
- 6. 17
- 7. 5
- 8. 12
- 9. 7
- 10. 4
- 11. 16
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20