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: ____________
14 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: ______________
3I think of a number. I multiply it by 3, then add 1. Now I have 16. What number did I start with?
Answer: ______________
43 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
55 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
6Every row, column, and diagonal makes 15. What number goes in the bottom right box?
Answer: ______________
7The scale balances. How much does one 🍌 weigh?
Answer: ______________
8I think of a number. I multiply it by 3, then add 7. Now I have 22. What number did I start with?
Answer: ______________
9I think of a number. I multiply it by 2, then add 6. Now I have 14. What number did I start with?
Answer: ______________
10I think of a number. I multiply it by 2, then add 9. Now I have 25. What number did I start with?
Answer: ______________
11The scale balances. How much does one 🍐 weigh?
Answer: ______________
12Every row, column, and diagonal makes 15. What number goes in the bottom left box?
Answer: ______________
Answer key: Challenge puzzles
- 1. 6 handshakes
- 2. 4
- 3. 5
- 4. 3 handshakes
- 5. 10 handshakes
- 6. 2
- 7. 6
- 8. 5
- 9. 4
- 10. 8
- 11. 2
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3