πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 3 = ?
Answer: ______________
2Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
3Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
419 − 7 = ?
Answer: ______________
518 − 4 = ?
Answer: ______________
620 − 17 = ?
Answer: ______________
720 − 11 = ?
Answer: ______________
816 − 10 = ?
Answer: ______________
9Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
1011 − 9 = ?
Answer: ______________
1114 − 4 = ?
Answer: ______________
12Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 4
- 3. 1
- 4. 12
- 5. 14
- 6. 3
- 7. 9
- 8. 6
- 9. 1
- 10. 2
- 11. 10
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20