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: ____________
14 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
2How many different 2-digit numbers can you make with the digits 7, 5, 4, 9, using a digit only once in a number?
Answer: ______________ numbers
3How many different 2-digit numbers can you make with the digits 5, 2, 1, using a digit only once in a number?
Answer: ______________ numbers
4How many different 2-digit numbers can you make with the digits 8, 9, 2, 3, using a digit only once in a number?
Answer: ______________ numbers
5How many different 2-digit numbers can you make with the digits 1, 9, 4, 2, using a digit only once in a number?
Answer: ______________ numbers
6How many different 2-digit numbers can you make with the digits 9, 5, 7, 2, 4, using a digit only once in a number?
Answer: ______________ numbers
7How many different 2-digit numbers can you make with the digits 1, 2, 4, using a digit only once in a number?
Answer: ______________ numbers
8Jamal spent half of the money in a piggy bank on a book, then $6 on a snack. Now there is $6 left. How much was in the piggy bank at first?
Answer: ______________ dollars
93 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
10How many different 2-digit numbers can you make with the digits 1, 7, 2, 5, using a digit only once in a number?
Answer: ______________ numbers
11How many different 2-digit numbers can you make with the digits 4, 1, 5, 9, 6, using a digit only once in a number?
Answer: ______________ numbers
12How many different 2-digit numbers can you make with the digits 9, 7, 2, 4, using a digit only once in a number?
Answer: ______________ numbers
Answer key: Challenge puzzles
- 1. 24 orders
- 2. 12 numbers
- 3. 6 numbers
- 4. 12 numbers
- 5. 12 numbers
- 6. 20 numbers
- 7. 6 numbers
- 8. 24 dollars
- 9. 6 orders
- 10. 12 numbers
- 11. 20 numbers
- 12. 12 numbers
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/challenge-5