πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 13 = ?
Answer: ______________
218 − 2 = ?
Answer: ______________
316 − 7 = ?
Answer: ______________
4Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
511 − 4 = ?
Answer: ______________
617 − 4 = ?
Answer: ______________
713 − 4 = ?
Answer: ______________
818 − 9 = ?
Answer: ______________
911 − 6 = ?
Answer: ______________
1016 − 11 = ?
Answer: ______________
1117 − 13 = ?
Answer: ______________
1219 − 4 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 16
- 3. 9
- 4. 1
- 5. 7
- 6. 13
- 7. 9
- 8. 9
- 9. 5
- 10. 5
- 11. 4
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20