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: ____________
16 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
2The scale balances. How much does one 🍊 weigh?
Answer: ______________
3Every row, column, and diagonal makes 15. What number goes in the top right box?
Answer: ______________
4The scale balances. How much does one 🍌 weigh?
Answer: ______________
53 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
6The scale balances. How much does one 🍌 weigh?
Answer: ______________
7Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
85 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
9Every row, column, and diagonal makes 15. What number goes in the top right box?
Answer: ______________
104 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
11Every row, column, and diagonal makes 15. What number goes in the top middle box?
Answer: ______________
12I think of a number. I multiply it by 4, then add 8. Now I have 32. What number did I start with?
Answer: ______________
Answer key: Challenge puzzles
- 1. 15 handshakes
- 2. 9
- 3. 8
- 4. 3
- 5. 3 handshakes
- 6. 4
- 7. 7
- 8. 10 handshakes
- 9. 8
- 10. 6 handshakes
- 11. 7
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3