πagarwalmath · 2nd grade · Common Core MP.1
🚀 Challenge puzzles
Make sense of problems and keep at them (puzzles that need thinking, not a known method)
Name: ______________________Date: ____________
1I am a 2-digit number. My tens digit is 3 more than my ones digit. My digits add up to 13. What number am I?
Answer: ______________
2Each box hides one digit. 5☐ + ☐1 = 61. What is the first number?
Answer: ______________
3I am a 2-digit number. My tens digit is 8 more than my ones digit. My digits add up to 10. What number am I?
Answer: ______________
4Two numbers add up to 29. The bigger one is 7 more than the smaller one. What is the bigger number?
Answer: ______________
5Every row, column, and diagonal makes 15. What number goes in the top middle box?
Answer: ______________
6Every row, column, and diagonal makes 15. What number goes in the middle right box?
Answer: ______________
7Every row, column, and diagonal makes 15. What number goes in the bottom left box?
Answer: ______________
8Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
9Every row, column, and diagonal makes 15. What number goes in the top left box?
Answer: ______________
10Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
11Two numbers add up to 28. The bigger one is 8 more than the smaller one. What is the bigger number?
Answer: ______________
12Every row, column, and diagonal makes 15. What number goes in the bottom left box?
Answer: ______________
Answer key: Challenge puzzles
- 1. 85
- 2. 50
- 3. 91
- 4. 18
- 5. 1
- 6. 3
- 7. 8
- 8. 9
- 9. 4
- 10. 3
- 11. 18
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/challenge-2