πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
213 − 3 = ?
Answer: ______________
3Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
412 − 10 = ?
Answer: ______________
519 − 16 = ?
Answer: ______________
6Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
711 − 1 = ?
Answer: ______________
811 − 8 = ?
Answer: ______________
920 − 6 = ?
Answer: ______________
10Get to ten first: 11 − 8 = 11 − 1 − ?
Answer: ______________
1120 − 18 = ?
Answer: ______________
1215 − 10 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 1
- 2. 10
- 3. 1
- 4. 2
- 5. 3
- 6. 3
- 7. 10
- 8. 3
- 9. 14
- 10. 7
- 11. 2
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20