πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
212 − 11 = ?
Answer: ______________
313 − 3 = ?
Answer: ______________
418 − 1 = ?
Answer: ______________
513 − 7 = ?
Answer: ______________
6Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
78 + 10 = ?
Answer: ______________
819 − 8 = ?
Answer: ______________
9Get to ten first: 12 − 4 = 12 − 2 − ?
Answer: ______________
10Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
1117 − 8 = ?
Answer: ______________
12Make a ten: 8 + 6 = 8 + 2 + ?
Answer: ______________
Answer key: Facts to 20
- 1. 13
- 2. 1
- 3. 10
- 4. 17
- 5. 6
- 6. 1
- 7. 18
- 8. 11
- 9. 2
- 10. 2
- 11. 9
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20