πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
113 − 1 = ?
Answer: ______________
217 − 8 = ?
Answer: ______________
3Near doubles: 9 + 9 = 18. So 9 + 10 = ?
Answer: ______________
48 + 4 = ?
Answer: ______________
519 − 5 = ?
Answer: ______________
68 + 3 = ?
Answer: ______________
7Get to ten first: 11 − 2 = 11 − 1 − ?
Answer: ______________
818 − 16 = ?
Answer: ______________
9Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
1015 − 13 = ?
Answer: ______________
11Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
1217 − 2 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 12
- 2. 9
- 3. 19
- 4. 12
- 5. 14
- 6. 11
- 7. 1
- 8. 2
- 9. 11
- 10. 2
- 11. 1
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20