πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
18 − 2 = ?
Answer: ______________
27 − 3 = ?
Answer: ______________
320 − 3 = ?
Answer: ______________
420 − 5 = ?
Answer: ______________
515 − 8 = ?
Answer: ______________
69 − 7 = ?
Answer: ______________
712 − 3 = ?
Answer: ______________
810 − 2 = ?
Answer: ______________
911 − 6 = ?
Answer: ______________
1011 − 9 = ?
Answer: ______________
1118 − 2 = ?
Answer: ______________
125 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 6
- 2. 4
- 3. 17
- 4. 15
- 5. 7
- 6. 2
- 7. 9
- 8. 8
- 9. 5
- 10. 2
- 11. 16
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20