πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 14 = ?
Answer: ______________
2Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
316 − 6 = ?
Answer: ______________
4Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
513 − 7 = ?
Answer: ______________
612 − 5 = ?
Answer: ______________
718 − 17 = ?
Answer: ______________
8Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
9Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
1011 − 8 = ?
Answer: ______________
1113 − 9 = ?
Answer: ______________
1213 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 5
- 3. 10
- 4. 3
- 5. 6
- 6. 7
- 7. 1
- 8. 4
- 9. 7
- 10. 3
- 11. 4
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20