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: 11 − 4 = 11 − 1 − ?
Answer: ______________
320 − 4 = ?
Answer: ______________
418 − 11 = ?
Answer: ______________
514 − 9 = ?
Answer: ______________
615 − 5 = ?
Answer: ______________
715 − 2 = ?
Answer: ______________
8Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
916 − 5 = ?
Answer: ______________
1012 − 1 = ?
Answer: ______________
11Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
1212 − 10 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 3
- 3. 16
- 4. 7
- 5. 5
- 6. 10
- 7. 13
- 8. 2
- 9. 11
- 10. 11
- 11. 7
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20