πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 19 = ?
Answer: ______________
211 − 10 = ?
Answer: ______________
312 − 6 = ?
Answer: ______________
414 − 11 = ?
Answer: ______________
5Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
6Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
7Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
820 − 20 = ?
Answer: ______________
916 − 3 = ?
Answer: ______________
10Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
1113 − 11 = ?
Answer: ______________
12Get to ten first: 11 − 7 = 11 − 1 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 0
- 2. 1
- 3. 6
- 4. 3
- 5. 1
- 6. 1
- 7. 2
- 8. 0
- 9. 13
- 10. 5
- 11. 2
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20