πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
111 − 3 = ?
Answer: ______________
211 − 9 = ?
Answer: ______________
36 + 9 = ?
Answer: ______________
417 − 8 = ?
Answer: ______________
5Near doubles: 8 + 8 = 16. So 8 + 7 = ?
Answer: ______________
6Near doubles: 4 + 4 = 8. So 4 + 3 = ?
Answer: ______________
7Near doubles: 5 + 5 = 10. So 5 + 6 = ?
Answer: ______________
820 − 14 = ?
Answer: ______________
9Make a ten: 6 + 6 = 6 + 4 + ?
Answer: ______________
1019 − 13 = ?
Answer: ______________
1110 + 10 = ?
Answer: ______________
128 + 5 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 8
- 2. 2
- 3. 15
- 4. 9
- 5. 15
- 6. 7
- 7. 11
- 8. 6
- 9. 2
- 10. 6
- 11. 20
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20