πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
110 + 6 = ?
Answer: ______________
2Near doubles: 3 + 3 = 6. So 3 + 4 = ?
Answer: ______________
35 + 10 = ?
Answer: ______________
48 + 4 = ?
Answer: ______________
56 + 4 = ?
Answer: ______________
615 − 12 = ?
Answer: ______________
715 − 15 = ?
Answer: ______________
8Get to ten first: 14 − 8 = 14 − 4 − ?
Answer: ______________
9Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
1010 + 5 = ?
Answer: ______________
1117 − 10 = ?
Answer: ______________
128 + 7 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 16
- 2. 7
- 3. 15
- 4. 12
- 5. 10
- 6. 3
- 7. 0
- 8. 4
- 9. 11
- 10. 15
- 11. 7
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20