πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 14 − 7 = 14 − 4 − ?
Answer: ______________
216 − 5 = ?
Answer: ______________
314 − 14 = ?
Answer: ______________
415 − 5 = ?
Answer: ______________
511 − 7 = ?
Answer: ______________
6Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
7Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
815 − 4 = ?
Answer: ______________
9Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
1012 − 2 = ?
Answer: ______________
1114 − 3 = ?
Answer: ______________
12Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 11
- 3. 0
- 4. 10
- 5. 4
- 6. 6
- 7. 2
- 8. 11
- 9. 3
- 10. 10
- 11. 11
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20