πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 2 = ?
Answer: ______________
219 − 4 = ?
Answer: ______________
313 − 10 = ?
Answer: ______________
4Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
5Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
612 − 2 = ?
Answer: ______________
7Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
8Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
918 − 6 = ?
Answer: ______________
1011 − 7 = ?
Answer: ______________
11Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
12Get to ten first: 11 − 9 = 11 − 1 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 15
- 3. 3
- 4. 1
- 5. 4
- 6. 10
- 7. 1
- 8. 3
- 9. 12
- 10. 4
- 11. 5
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20