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: 16 − 7 = 16 − 6 − ?
Answer: ______________
218 − 11 = ?
Answer: ______________
37 + 9 = ?
Answer: ______________
416 − 15 = ?
Answer: ______________
58 + 7 = ?
Answer: ______________
67 + 8 = ?
Answer: ______________
77 + 3 = ?
Answer: ______________
817 − 10 = ?
Answer: ______________
98 + 6 = ?
Answer: ______________
1018 − 5 = ?
Answer: ______________
11Near doubles: 3 + 3 = 6. So 3 + 2 = ?
Answer: ______________
12Near doubles: 3 + 3 = 6. So 3 + 4 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 1
- 2. 7
- 3. 16
- 4. 1
- 5. 15
- 6. 15
- 7. 10
- 8. 7
- 9. 14
- 10. 13
- 11. 5
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20