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
2I think of a number. I multiply it by 3, then add 7. Now I have 28. What number did I start with?
Answer: ______________
3What digit goes in the box? ☐4 × 4 = 96
Answer: ______________
4What digit goes in the box? ☐2 × 4 = 128
Answer: ______________
5Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
6What digit goes in the box? ☐4 × 3 = 72
Answer: ______________
7What digit goes in the box? 1☐ × 3 = 33
Answer: ______________
8What digit goes in the box? 3☐ × 4 = 124
Answer: ______________
9What digit goes in the box? 1☐ × 2 = 28
Answer: ______________
10What digit goes in the box? ☐0 × 2 = 60
Answer: ______________
11I think of a number. I multiply it by 3, then add 3. Now I have 27. What number did I start with?
Answer: ______________
12What digit goes in the box? 3☐ × 2 = 60
Answer: ______________
Answer key: Challenge puzzles
- 1. 15 handshakes
- 2. 7
- 3. 2
- 4. 3
- 5. 3
- 6. 2
- 7. 1
- 8. 1
- 9. 4
- 10. 3
- 11. 8
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3