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 3, 5, 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
3Nora spent half of the money in a piggy bank on a book, then $9 on a snack. Now there is $11 left. How much was in the piggy bank at first?
Answer: ______________ dollars
4How many different 2-digit numbers can you make with the digits 6, 8, 5, 2, 3, using a digit only once in a number?
Answer: ______________ numbers
5How many different 2-digit numbers can you make with the digits 8, 4, 5, 3, 9, using a digit only once in a number?
Answer: ______________ numbers
6Every row, column, and diagonal makes 27. What number goes in the bottom middle box?
Answer: ______________
7How many different 2-digit numbers can you make with the digits 8, 7, 4, 6, 1, using a digit only once in a number?
Answer: ______________ numbers
8In a magic square, every row, column, and diagonal makes the same total. What total does each line make?
Answer: ______________
9How many different 2-digit numbers can you make with the digits 6, 4, 3, 7, using a digit only once in a number?
Answer: ______________ numbers
103 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
11How many different 2-digit numbers can you make with the digits 1, 2, 5, 8, using a digit only once in a number?
Answer: ______________ numbers
12How many different 2-digit numbers can you make with the digits 7, 2, 9, using a digit only once in a number?
Answer: ______________ numbers
Answer key: Challenge puzzles
- 1. 6 numbers
- 2. 24 orders
- 3. 40 dollars
- 4. 20 numbers
- 5. 20 numbers
- 6. 11
- 7. 20 numbers
- 8. 30
- 9. 12 numbers
- 10. 6 orders
- 11. 12 numbers
- 12. 6 numbers
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/challenge-5