πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 8 = ?
Answer: ______________
219 − 6 = ?
Answer: ______________
316 − 12 = ?
Answer: ______________
4Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
511 − 11 = ?
Answer: ______________
6Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
713 − 11 = ?
Answer: ______________
812 − 3 = ?
Answer: ______________
918 − 12 = ?
Answer: ______________
1018 − 3 = ?
Answer: ______________
1116 − 11 = ?
Answer: ______________
1218 − 13 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 13
- 3. 4
- 4. 1
- 5. 0
- 6. 1
- 7. 2
- 8. 9
- 9. 6
- 10. 15
- 11. 5
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20