πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 4 = ?
Answer: ______________
218 − 10 = ?
Answer: ______________
315 − 9 = ?
Answer: ______________
415 − 10 = ?
Answer: ______________
513 − 12 = ?
Answer: ______________
617 − 1 = ?
Answer: ______________
713 − 6 = ?
Answer: ______________
815 − 6 = ?
Answer: ______________
912 − 8 = ?
Answer: ______________
1011 − 4 = ?
Answer: ______________
1113 − 8 = ?
Answer: ______________
12Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 8
- 3. 6
- 4. 5
- 5. 1
- 6. 16
- 7. 7
- 8. 9
- 9. 4
- 10. 7
- 11. 5
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20