πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
212 − 4 = ?
Answer: ______________
311 − 6 = ?
Answer: ______________
413 − 1 = ?
Answer: ______________
511 − 7 = ?
Answer: ______________
616 − 15 = ?
Answer: ______________
713 − 5 = ?
Answer: ______________
818 − 3 = ?
Answer: ______________
911 − 2 = ?
Answer: ______________
10Get to ten first: 13 − 6 = 13 − 3 − ?
Answer: ______________
1116 − 10 = ?
Answer: ______________
1213 − 7 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 8
- 3. 5
- 4. 12
- 5. 4
- 6. 1
- 7. 8
- 8. 15
- 9. 9
- 10. 3
- 11. 6
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20