πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Make a ten: 8 + 7 = 8 + 2 + ?
Answer: ______________
27 + 8 = ?
Answer: ______________
320 − 13 = ?
Answer: ______________
417 − 12 = ?
Answer: ______________
5Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
67 + 7 = ?
Answer: ______________
710 + 10 = ?
Answer: ______________
812 − 9 = ?
Answer: ______________
917 − 15 = ?
Answer: ______________
1018 − 14 = ?
Answer: ______________
1112 − 3 = ?
Answer: ______________
1219 − 9 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 5
- 2. 15
- 3. 7
- 4. 5
- 5. 11
- 6. 14
- 7. 20
- 8. 3
- 9. 2
- 10. 4
- 11. 9
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20