πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 3 = ?
Answer: ______________
216 − 16 = ?
Answer: ______________
311 − 4 = ?
Answer: ______________
417 − 14 = ?
Answer: ______________
516 − 5 = ?
Answer: ______________
6Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
716 − 10 = ?
Answer: ______________
8Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
911 − 11 = ?
Answer: ______________
1016 − 1 = ?
Answer: ______________
1120 − 10 = ?
Answer: ______________
1218 − 15 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 13
- 2. 0
- 3. 7
- 4. 3
- 5. 11
- 6. 2
- 7. 6
- 8. 5
- 9. 0
- 10. 15
- 11. 10
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20