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: ____________
1What digit goes in the box? 3☐ × 3 = 99
Answer: ______________
25 friends meet. Each friend shakes hands with every other friend once. How many handshakes are there?
Answer: ______________ handshakes
3I think of a number. I multiply it by 4, then add 1. Now I have 21. What number did I start with?
Answer: ______________
4What digit goes in the box? ☐3 × 3 = 39
Answer: ______________
5Every row, column, and diagonal makes 15. What number goes in the bottom left box?
Answer: ______________
6I think of a number. I multiply it by 2, then add 4. Now I have 22. What number did I start with?
Answer: ______________
7Every row, column, and diagonal makes 15. What number goes in the middle left box?
Answer: ______________
8The scale balances. How much does one 🍐 weigh?
Answer: ______________
9What digit goes in the box? 1☐ × 3 = 57
Answer: ______________
10I think of a number. I multiply it by 5, then add 5. Now I have 30. What number did I start with?
Answer: ______________
11What digit goes in the box? ☐8 × 3 = 84
Answer: ______________
12What digit goes in the box? 2☐ × 4 = 108
Answer: ______________
Answer key: Challenge puzzles
- 1. 3
- 2. 10 handshakes
- 3. 5
- 4. 1
- 5. 2
- 6. 9
- 7. 7
- 8. 4
- 9. 9
- 10. 5
- 11. 2
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/challenge-3