πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
111 − 5 = ?
Answer: ______________
2Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
3Make a ten: 6 + 5 = 6 + 4 + ?
Answer: ______________
4Make a ten: 6 + 6 = 6 + 4 + ?
Answer: ______________
56 + 9 = ?
Answer: ______________
6Near doubles: 7 + 7 = 14. So 7 + 6 = ?
Answer: ______________
77 + 3 = ?
Answer: ______________
87 + 10 = ?
Answer: ______________
911 − 7 = ?
Answer: ______________
108 + 5 = ?
Answer: ______________
1115 − 14 = ?
Answer: ______________
129 + 3 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 6
- 2. 1
- 3. 1
- 4. 2
- 5. 15
- 6. 13
- 7. 10
- 8. 17
- 9. 4
- 10. 13
- 11. 1
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20