πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
18 + 3 = ?
Answer: ______________
2Make a ten: 6 + 8 = 6 + 4 + ?
Answer: ______________
38 + 4 = ?
Answer: ______________
417 − 15 = ?
Answer: ______________
510 + 8 = ?
Answer: ______________
6Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
715 − 8 = ?
Answer: ______________
8Make a ten: 9 + 8 = 9 + 1 + ?
Answer: ______________
9Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
1020 − 14 = ?
Answer: ______________
1119 − 14 = ?
Answer: ______________
1214 − 12 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 11
- 2. 4
- 3. 12
- 4. 2
- 5. 18
- 6. 6
- 7. 7
- 8. 7
- 9. 5
- 10. 6
- 11. 5
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20