πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
112 − 1 = ?
Answer: ______________
216 − 2 = ?
Answer: ______________
313 − 7 = ?
Answer: ______________
416 − 10 = ?
Answer: ______________
55 + 5 = ?
Answer: ______________
615 − 14 = ?
Answer: ______________
710 + 10 = ?
Answer: ______________
820 − 5 = ?
Answer: ______________
916 − 1 = ?
Answer: ______________
10Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
119 + 7 = ?
Answer: ______________
128 + 9 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 11
- 2. 14
- 3. 6
- 4. 6
- 5. 10
- 6. 1
- 7. 20
- 8. 15
- 9. 15
- 10. 1
- 11. 16
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20