πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Make a ten: 6 + 8 = 6 + 4 + ?
Answer: ______________
2Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
315 − 15 = ?
Answer: ______________
413 − 8 = ?
Answer: ______________
519 − 4 = ?
Answer: ______________
611 − 9 = ?
Answer: ______________
78 + 10 = ?
Answer: ______________
817 − 3 = ?
Answer: ______________
95 + 4 = ?
Answer: ______________
10Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
1118 − 3 = ?
Answer: ______________
1220 − 20 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 4
- 2. 1
- 3. 0
- 4. 5
- 5. 15
- 6. 2
- 7. 18
- 8. 14
- 9. 9
- 10. 1
- 11. 15
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20