πagarwalmath · 5th 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: ____________
1How many different 2-digit numbers can you make with the digits 9, 6, 5, 7, 1, using a digit only once in a number?
Answer: ______________ numbers
24 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
3Every row, column, and diagonal makes 33. What number goes in the bottom left box?
Answer: ______________
43 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
5Every row, column, and diagonal makes 21. What number goes in the top middle box?
Answer: ______________
6Every row, column, and diagonal makes 39. What number goes in the top middle box?
Answer: ______________
7Every row, column, and diagonal makes 27. What number goes in the middle left box?
Answer: ______________
8How many different 2-digit numbers can you make with the digits 1, 8, 7, 5, using a digit only once in a number?
Answer: ______________ numbers
9How many different 2-digit numbers can you make with the digits 3, 4, 8, using a digit only once in a number?
Answer: ______________ numbers
10Rosa spent half of the money in a piggy bank on a book, then $3 on a snack. Now there is $5 left. How much was in the piggy bank at first?
Answer: ______________ dollars
11How many different 2-digit numbers can you make with the digits 5, 8, 7, 6, 9, using a digit only once in a number?
Answer: ______________ numbers
12How many different 2-digit numbers can you make with the digits 8, 1, 3, 2, using a digit only once in a number?
Answer: ______________ numbers
Answer key: Challenge puzzles
- 1. 20 numbers
- 2. 24 orders
- 3. 12
- 4. 6 orders
- 5. 5
- 6. 15
- 7. 11
- 8. 12 numbers
- 9. 6 numbers
- 10. 16 dollars
- 11. 20 numbers
- 12. 12 numbers
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/challenge-5