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: 12 − 5 = 12 − 2 − ?
Answer: ______________
2Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
318 − 11 = ?
Answer: ______________
414 − 10 = ?
Answer: ______________
518 − 4 = ?
Answer: ______________
613 − 2 = ?
Answer: ______________
7Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
816 − 3 = ?
Answer: ______________
9Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
1013 − 4 = ?
Answer: ______________
1113 − 8 = ?
Answer: ______________
1220 − 20 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 2
- 3. 7
- 4. 4
- 5. 14
- 6. 11
- 7. 4
- 8. 13
- 9. 5
- 10. 9
- 11. 5
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20