πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 12 = ?
Answer: ______________
211 − 2 = ?
Answer: ______________
320 − 14 = ?
Answer: ______________
414 − 9 = ?
Answer: ______________
5Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
614 − 11 = ?
Answer: ______________
712 − 2 = ?
Answer: ______________
8Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
911 − 9 = ?
Answer: ______________
10Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
11Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
1219 − 8 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 0
- 2. 9
- 3. 6
- 4. 5
- 5. 1
- 6. 3
- 7. 10
- 8. 2
- 9. 2
- 10. 1
- 11. 2
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20