πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 5 = ?
Answer: ______________
219 − 7 = ?
Answer: ______________
3Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
412 − 11 = ?
Answer: ______________
511 − 1 = ?
Answer: ______________
614 − 11 = ?
Answer: ______________
7Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
820 − 10 = ?
Answer: ______________
911 − 4 = ?
Answer: ______________
1015 − 15 = ?
Answer: ______________
11Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
1213 − 8 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 12
- 3. 3
- 4. 1
- 5. 10
- 6. 3
- 7. 2
- 8. 10
- 9. 7
- 10. 0
- 11. 2
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20