πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
115 − 7 = ?
Answer: ______________
219 − 9 = ?
Answer: ______________
37 + 5 = ?
Answer: ______________
418 − 15 = ?
Answer: ______________
5Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
614 − 1 = ?
Answer: ______________
79 + 3 = ?
Answer: ______________
89 + 6 = ?
Answer: ______________
917 − 12 = ?
Answer: ______________
10Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
11Make a ten: 7 + 9 = 7 + 3 + ?
Answer: ______________
127 + 3 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 8
- 2. 10
- 3. 12
- 4. 3
- 5. 2
- 6. 13
- 7. 12
- 8. 15
- 9. 5
- 10. 1
- 11. 6
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20