πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 16 = ?
Answer: ______________
216 − 3 = ?
Answer: ______________
3Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
420 − 10 = ?
Answer: ______________
519 − 10 = ?
Answer: ______________
6Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
7Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
8Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
9Get to ten first: 11 − 8 = 11 − 1 − ?
Answer: ______________
1013 − 3 = ?
Answer: ______________
11Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
1218 − 15 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 0
- 2. 13
- 3. 1
- 4. 10
- 5. 9
- 6. 5
- 7. 2
- 8. 5
- 9. 7
- 10. 10
- 11. 6
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20