πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 5 = ?
Answer: ______________
218 − 10 = ?
Answer: ______________
314 − 6 = ?
Answer: ______________
420 − 19 = ?
Answer: ______________
515 − 8 = ?
Answer: ______________
620 − 10 = ?
Answer: ______________
712 − 11 = ?
Answer: ______________
820 − 2 = ?
Answer: ______________
9Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
1017 − 4 = ?
Answer: ______________
11Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
1212 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 8
- 3. 8
- 4. 1
- 5. 7
- 6. 10
- 7. 1
- 8. 18
- 9. 2
- 10. 13
- 11. 3
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20