πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 9 = ?
Answer: ______________
25 − 1 = ?
Answer: ______________
318 − 3 = ?
Answer: ______________
49 − 8 = ?
Answer: ______________
512 − 3 = ?
Answer: ______________
616 − 6 = ?
Answer: ______________
79 − 9 = ?
Answer: ______________
89 − 1 = ?
Answer: ______________
920 − 8 = ?
Answer: ______________
106 − 2 = ?
Answer: ______________
1116 − 8 = ?
Answer: ______________
1219 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 4
- 3. 15
- 4. 1
- 5. 9
- 6. 10
- 7. 0
- 8. 8
- 9. 12
- 10. 4
- 11. 8
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20