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 + 6 = 6 + 4 + ?
Answer: ______________
2Make a ten: 9 + 8 = 9 + 1 + ?
Answer: ______________
36 + 6 = ?
Answer: ______________
410 + 5 = ?
Answer: ______________
515 − 12 = ?
Answer: ______________
65 + 10 = ?
Answer: ______________
711 − 3 = ?
Answer: ______________
819 − 5 = ?
Answer: ______________
919 − 13 = ?
Answer: ______________
10Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
1116 − 6 = ?
Answer: ______________
12Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 2
- 2. 7
- 3. 12
- 4. 15
- 5. 3
- 6. 15
- 7. 8
- 8. 14
- 9. 6
- 10. 3
- 11. 10
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20