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: ____________
1Every row, column, and diagonal makes 15. What number goes in the bottom left box?
Answer: ______________
2Every row, column, and diagonal makes 15. What number goes in the top middle box?
Answer: ______________
3Every row, column, and diagonal makes 15. What number goes in the bottom middle box?
Answer: ______________
4Each box hides one digit. 4☐ + ☐4 = 80. What is the first number?
Answer: ______________
5Each box hides one digit. 6☐ + ☐9 = 108. What is the first number?
Answer: ______________
6Two numbers add up to 17. The bigger one is 1 more than the smaller one. What is the bigger number?
Answer: ______________
7Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
8I am a 2-digit number. My tens digit is 1 more than my ones digit. My digits add up to 15. What number am I?
Answer: ______________
9Every row, column, and diagonal makes 15. What number goes in the bottom right box?
Answer: ______________
10Every row, column, and diagonal makes 15. What number goes in the top middle box?
Answer: ______________
11Every row, column, and diagonal makes 15. What number goes in the bottom left box?
Answer: ______________
12Every row, column, and diagonal makes 15. What number goes in the middle right box?
Answer: ______________
Answer key: Challenge puzzles
- 1. 2
- 2. 7
- 3. 1
- 4. 46
- 5. 69
- 6. 9
- 7. 9
- 8. 87
- 9. 6
- 10. 7
- 11. 6
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/challenge-2