πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
2Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
320 − 6 = ?
Answer: ______________
420 − 10 = ?
Answer: ______________
511 − 6 = ?
Answer: ______________
6Get to ten first: 11 − 5 = 11 − 1 − ?
Answer: ______________
713 − 3 = ?
Answer: ______________
812 − 11 = ?
Answer: ______________
917 − 11 = ?
Answer: ______________
1019 − 13 = ?
Answer: ______________
1119 − 10 = ?
Answer: ______________
1214 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 1
- 3. 14
- 4. 10
- 5. 5
- 6. 4
- 7. 10
- 8. 1
- 9. 6
- 10. 6
- 11. 9
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20