πagarwalmath · 3rd 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: ____________
1The scale balances. How much does one 🍊 weigh?
Answer: ______________
2The scale balances. How much does one 🍎 weigh?
Answer: ______________
34 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
4I think of a number. I multiply it by 5, then add 8. Now I have 28. What number did I start with?
Answer: ______________
5Every row, column, and diagonal makes 15. What number goes in the bottom right box?
Answer: ______________
6I think of a number. I multiply it by 5, then add 7. Now I have 37. What number did I start with?
Answer: ______________
76 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
8Every row, column, and diagonal makes 15. What number goes in the bottom left box?
Answer: ______________
95 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
10Every row, column, and diagonal makes 15. What number goes in the top middle box?
Answer: ______________
11I think of a number. I multiply it by 3, then add 7. Now I have 19. What number did I start with?
Answer: ______________
12Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
Answer key: Challenge puzzles
- 1. 7
- 2. 8
- 3. 6 handshakes
- 4. 4
- 5. 6
- 6. 6
- 7. 15 handshakes
- 8. 8
- 9. 10 handshakes
- 10. 3
- 11. 4
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3