πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 11 = ?
Answer: ______________
211 − 10 = ?
Answer: ______________
319 − 17 = ?
Answer: ______________
4Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
517 − 13 = ?
Answer: ______________
612 − 2 = ?
Answer: ______________
720 − 11 = ?
Answer: ______________
815 − 13 = ?
Answer: ______________
9Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
1011 − 4 = ?
Answer: ______________
11Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
1219 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 1
- 3. 2
- 4. 2
- 5. 4
- 6. 10
- 7. 9
- 8. 2
- 9. 2
- 10. 7
- 11. 2
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20