πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 1 = ?
Answer: ______________
2Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
3Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
415 − 6 = ?
Answer: ______________
5Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
620 − 1 = ?
Answer: ______________
714 − 11 = ?
Answer: ______________
819 − 14 = ?
Answer: ______________
9Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
10Get to ten first: 13 − 7 = 13 − 3 − ?
Answer: ______________
1119 − 4 = ?
Answer: ______________
1219 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 5
- 3. 6
- 4. 9
- 5. 2
- 6. 19
- 7. 3
- 8. 5
- 9. 4
- 10. 4
- 11. 15
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20