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
2The scale balances. How much does one 🍊 weigh?
Answer: ______________
3The scale balances. How much does one 🍐 weigh?
Answer: ______________
44 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
66 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
7I think of a number. I multiply it by 2, then add 3. Now I have 17. What number did I start with?
Answer: ______________
8The scale balances. How much does one 🍊 weigh?
Answer: ______________
9I think of a number. I multiply it by 3, then add 1. Now I have 25. What number did I start with?
Answer: ______________
10I think of a number. I multiply it by 2, then add 2. Now I have 18. What number did I start with?
Answer: ______________
11I think of a number. I multiply it by 5, then add 7. Now I have 47. What number did I start with?
Answer: ______________
12The scale balances. How much does one 🍓 weigh?
Answer: ______________
Answer key: Challenge puzzles
- 1. 3 handshakes
- 2. 8
- 3. 9
- 4. 6 handshakes
- 5. 10 handshakes
- 6. 15 handshakes
- 7. 7
- 8. 7
- 9. 8
- 10. 8
- 11. 8
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3