πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
116 − 11 = ?
Answer: ______________
215 − 2 = ?
Answer: ______________
3Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
417 − 1 = ?
Answer: ______________
515 − 7 = ?
Answer: ______________
620 − 5 = ?
Answer: ______________
719 − 19 = ?
Answer: ______________
820 − 17 = ?
Answer: ______________
911 − 9 = ?
Answer: ______________
1017 − 8 = ?
Answer: ______________
11Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
1216 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 13
- 3. 3
- 4. 16
- 5. 8
- 6. 15
- 7. 0
- 8. 3
- 9. 2
- 10. 9
- 11. 1
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20