πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
117 − 14 = ?
Answer: ______________
217 − 6 = ?
Answer: ______________
3Make a ten: 7 + 7 = 7 + 3 + ?
Answer: ______________
4Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
514 − 9 = ?
Answer: ______________
6Near doubles: 3 + 3 = 6. So 3 + 4 = ?
Answer: ______________
77 + 9 = ?
Answer: ______________
89 + 5 = ?
Answer: ______________
9Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
10Get to ten first: 15 − 8 = 15 − 5 − ?
Answer: ______________
1110 + 10 = ?
Answer: ______________
1220 − 10 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 3
- 2. 11
- 3. 4
- 4. 1
- 5. 5
- 6. 7
- 7. 16
- 8. 14
- 9. 13
- 10. 3
- 11. 20
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20