πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 7 = ?
Answer: ______________
2Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
313 − 11 = ?
Answer: ______________
415 − 5 = ?
Answer: ______________
5Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
612 − 1 = ?
Answer: ______________
717 − 7 = ?
Answer: ______________
814 − 4 = ?
Answer: ______________
916 − 11 = ?
Answer: ______________
1018 − 7 = ?
Answer: ______________
11Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
1213 − 10 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 7
- 2. 4
- 3. 2
- 4. 10
- 5. 2
- 6. 11
- 7. 10
- 8. 10
- 9. 5
- 10. 11
- 11. 1
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20