πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
118 − 16 = ?
Answer: ______________
215 − 9 = ?
Answer: ______________
320 − 15 = ?
Answer: ______________
4Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
511 − 3 = ?
Answer: ______________
619 − 2 = ?
Answer: ______________
717 − 10 = ?
Answer: ______________
815 − 6 = ?
Answer: ______________
912 − 4 = ?
Answer: ______________
1013 − 9 = ?
Answer: ______________
1117 − 13 = ?
Answer: ______________
12Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 6
- 3. 5
- 4. 1
- 5. 8
- 6. 17
- 7. 7
- 8. 9
- 9. 8
- 10. 4
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20