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 + 5 = 6 + 4 + ?
Answer: ______________
27 + 5 = ?
Answer: ______________
310 + 5 = ?
Answer: ______________
4Make a ten: 8 + 6 = 8 + 2 + ?
Answer: ______________
515 − 1 = ?
Answer: ______________
6Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
720 − 15 = ?
Answer: ______________
88 + 8 = ?
Answer: ______________
913 − 12 = ?
Answer: ______________
10Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
1113 − 11 = ?
Answer: ______________
1217 − 3 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 1
- 2. 12
- 3. 15
- 4. 4
- 5. 14
- 6. 2
- 7. 5
- 8. 16
- 9. 1
- 10. 4
- 11. 2
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20