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: ____________
13 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
2Every row, column, and diagonal makes 15. What number goes in the bottom middle box?
Answer: ______________
36 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
4Every row, column, and diagonal makes 15. What number goes in the top right box?
Answer: ______________
5Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
6Every row, column, and diagonal makes 15. What number goes in the top right box?
Answer: ______________
7Every row, column, and diagonal makes 15. What number goes in the bottom middle box?
Answer: ______________
85 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
94 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: ______________
11The scale balances. How much does one 🍊 weigh?
Answer: ______________
12The scale balances. How much does one 🍌 weigh?
Answer: ______________
Answer key: Challenge puzzles
- 1. 3 handshakes
- 2. 3
- 3. 15 handshakes
- 4. 2
- 5. 3
- 6. 6
- 7. 7
- 8. 10 handshakes
- 9. 6 handshakes
- 10. 3
- 11. 2
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3