πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 2 = ?
Answer: ______________
2Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
312 − 4 = ?
Answer: ______________
414 − 6 = ?
Answer: ______________
513 − 10 = ?
Answer: ______________
613 − 8 = ?
Answer: ______________
716 − 13 = ?
Answer: ______________
813 − 13 = ?
Answer: ______________
9Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
1020 − 12 = ?
Answer: ______________
1116 − 11 = ?
Answer: ______________
12Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 7
- 3. 8
- 4. 8
- 5. 3
- 6. 5
- 7. 3
- 8. 0
- 9. 1
- 10. 8
- 11. 5
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20