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
2What digit goes in the box? ☐2 × 2 = 64
Answer: ______________
3What digit goes in the box? 2☐ × 4 = 100
Answer: ______________
4What digit goes in the box? 2☐ × 3 = 66
Answer: ______________
5What digit goes in the box? 1☐ × 4 = 52
Answer: ______________
6What digit goes in the box? ☐0 × 3 = 60
Answer: ______________
7I think of a number. I multiply it by 5, then add 1. Now I have 26. What number did I start with?
Answer: ______________
86 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
9What digit goes in the box? ☐1 × 2 = 62
Answer: ______________
10What digit goes in the box? ☐4 × 3 = 72
Answer: ______________
11What digit goes in the box? ☐4 × 3 = 42
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. 3 handshakes
- 2. 3
- 3. 5
- 4. 2
- 5. 3
- 6. 2
- 7. 5
- 8. 15 handshakes
- 9. 3
- 10. 2
- 11. 1
- 12. 6
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3