πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
115 − 1 = ?
Answer: ______________
215 − 2 = ?
Answer: ______________
39 − 8 = ?
Answer: ______________
416 − 2 = ?
Answer: ______________
513 − 8 = ?
Answer: ______________
615 − 5 = ?
Answer: ______________
78 − 8 = ?
Answer: ______________
85 − 3 = ?
Answer: ______________
911 − 4 = ?
Answer: ______________
1015 − 4 = ?
Answer: ______________
1119 − 2 = ?
Answer: ______________
128 − 7 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 13
- 3. 1
- 4. 14
- 5. 5
- 6. 10
- 7. 0
- 8. 2
- 9. 7
- 10. 11
- 11. 17
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20