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: 11 − 2 = 11 − 1 − ?
Answer: ______________
213 − 11 = ?
Answer: ______________
39 + 7 = ?
Answer: ______________
416 − 10 = ?
Answer: ______________
517 − 15 = ?
Answer: ______________
66 + 4 = ?
Answer: ______________
715 − 11 = ?
Answer: ______________
8Make a ten: 6 + 9 = 6 + 4 + ?
Answer: ______________
95 + 3 = ?
Answer: ______________
1019 − 6 = ?
Answer: ______________
11Near doubles: 5 + 5 = 10. So 5 + 4 = ?
Answer: ______________
1220 − 14 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 1
- 2. 2
- 3. 16
- 4. 6
- 5. 2
- 6. 10
- 7. 4
- 8. 5
- 9. 8
- 10. 13
- 11. 9
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20