πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 13 = ?
Answer: ______________
2Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
320 − 18 = ?
Answer: ______________
415 − 5 = ?
Answer: ______________
511 − 5 = ?
Answer: ______________
6Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
7Get to ten first: 12 − 7 = 12 − 2 − ?
Answer: ______________
812 − 4 = ?
Answer: ______________
918 − 18 = ?
Answer: ______________
10Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
1119 − 5 = ?
Answer: ______________
1212 − 10 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 3
- 3. 2
- 4. 10
- 5. 6
- 6. 1
- 7. 5
- 8. 8
- 9. 0
- 10. 4
- 11. 14
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20