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: ______________
220 − 15 = ?
Answer: ______________
319 − 16 = ?
Answer: ______________
413 − 7 = ?
Answer: ______________
5Get to ten first: 13 − 6 = 13 − 3 − ?
Answer: ______________
613 − 10 = ?
Answer: ______________
7Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
815 − 1 = ?
Answer: ______________
920 − 1 = ?
Answer: ______________
1020 − 4 = ?
Answer: ______________
11Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
1214 − 9 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 8
- 2. 5
- 3. 3
- 4. 6
- 5. 3
- 6. 3
- 7. 1
- 8. 14
- 9. 19
- 10. 16
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20