πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 13 = ?
Answer: ______________
220 − 18 = ?
Answer: ______________
312 − 1 = ?
Answer: ______________
415 − 11 = ?
Answer: ______________
513 − 13 = ?
Answer: ______________
611 − 9 = ?
Answer: ______________
715 − 15 = ?
Answer: ______________
817 − 16 = ?
Answer: ______________
920 − 3 = ?
Answer: ______________
1019 − 16 = ?
Answer: ______________
1119 − 12 = ?
Answer: ______________
1218 − 9 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 2
- 3. 11
- 4. 4
- 5. 0
- 6. 2
- 7. 0
- 8. 1
- 9. 17
- 10. 3
- 11. 7
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20