πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Get to ten first: 13 − 8 = 13 − 3 − ?
Answer: ______________
218 − 1 = ?
Answer: ______________
320 − 15 = ?
Answer: ______________
410 + 5 = ?
Answer: ______________
5Make a ten: 6 + 5 = 6 + 4 + ?
Answer: ______________
65 + 8 = ?
Answer: ______________
710 + 9 = ?
Answer: ______________
8Make a ten: 6 + 7 = 6 + 4 + ?
Answer: ______________
9Near doubles: 3 + 3 = 6. So 3 + 2 = ?
Answer: ______________
1013 − 5 = ?
Answer: ______________
11Make a ten: 6 + 6 = 6 + 4 + ?
Answer: ______________
1216 − 14 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 5
- 2. 17
- 3. 5
- 4. 15
- 5. 1
- 6. 13
- 7. 19
- 8. 3
- 9. 5
- 10. 8
- 11. 2
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20