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: 16 − 7 = 16 − 6 − ?
Answer: ______________
2Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
315 − 1 = ?
Answer: ______________
418 − 7 = ?
Answer: ______________
511 − 7 = ?
Answer: ______________
620 − 18 = ?
Answer: ______________
7Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
812 − 6 = ?
Answer: ______________
913 − 2 = ?
Answer: ______________
1015 − 8 = ?
Answer: ______________
1119 − 8 = ?
Answer: ______________
1213 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 1
- 3. 14
- 4. 11
- 5. 4
- 6. 2
- 7. 2
- 8. 6
- 9. 11
- 10. 7
- 11. 11
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20