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 − 8 = 16 − 6 − ?
Answer: ______________
2Get to ten first: 11 − 3 = 11 − 1 − ?
Answer: ______________
318 − 6 = ?
Answer: ______________
411 − 5 = ?
Answer: ______________
519 − 11 = ?
Answer: ______________
617 − 14 = ?
Answer: ______________
716 − 16 = ?
Answer: ______________
817 − 10 = ?
Answer: ______________
919 − 7 = ?
Answer: ______________
1017 − 13 = ?
Answer: ______________
11Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
1218 − 16 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 2
- 3. 12
- 4. 6
- 5. 8
- 6. 3
- 7. 0
- 8. 7
- 9. 12
- 10. 4
- 11. 7
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20