πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
115 − 10 = ?
Answer: ______________
218 − 11 = ?
Answer: ______________
319 − 3 = ?
Answer: ______________
416 − 1 = ?
Answer: ______________
513 − 11 = ?
Answer: ______________
619 − 12 = ?
Answer: ______________
716 − 2 = ?
Answer: ______________
819 − 18 = ?
Answer: ______________
9Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
1020 − 5 = ?
Answer: ______________
1111 − 2 = ?
Answer: ______________
1219 − 16 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 7
- 3. 16
- 4. 15
- 5. 2
- 6. 7
- 7. 14
- 8. 1
- 9. 7
- 10. 15
- 11. 9
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20