πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 2 = ?
Answer: ______________
2Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
314 − 10 = ?
Answer: ______________
419 − 3 = ?
Answer: ______________
513 − 13 = ?
Answer: ______________
613 − 4 = ?
Answer: ______________
716 − 16 = ?
Answer: ______________
820 − 5 = ?
Answer: ______________
911 − 9 = ?
Answer: ______________
1012 − 2 = ?
Answer: ______________
1120 − 15 = ?
Answer: ______________
1215 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 17
- 2. 1
- 3. 4
- 4. 16
- 5. 0
- 6. 9
- 7. 0
- 8. 15
- 9. 2
- 10. 10
- 11. 5
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20