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 7, 3, 4, 9, 6, using a digit only once in a number?
Answer: ______________ numbers
23 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
3Kai spent half of the money in a piggy bank on a book, then $2 on a snack. Now there is $9 left. How much was in the piggy bank at first?
Answer: ______________ dollars
44 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
5How many different 2-digit numbers can you make with the digits 3, 5, 9, 1, using a digit only once in a number?
Answer: ______________ numbers
6How many different 2-digit numbers can you make with the digits 2, 4, 1, using a digit only once in a number?
Answer: ______________ numbers
7How many different 2-digit numbers can you make with the digits 5, 6, 3, using a digit only once in a number?
Answer: ______________ numbers
8How many different 2-digit numbers can you make with the digits 7, 9, 6, 1, using a digit only once in a number?
Answer: ______________ numbers
9Sam spent half of the money in a piggy bank on a book, then $4 on a snack. Now there is $5 left. How much was in the piggy bank at first?
Answer: ______________ dollars
10How many different 2-digit numbers can you make with the digits 2, 8, 3, using a digit only once in a number?
Answer: ______________ numbers
11How many different 2-digit numbers can you make with the digits 2, 8, 6, 3, 5, using a digit only once in a number?
Answer: ______________ numbers
12How many different 2-digit numbers can you make with the digits 5, 3, 8, 2, 6, using a digit only once in a number?
Answer: ______________ numbers
Answer key: Challenge puzzles
- 1. 20 numbers
- 2. 6 orders
- 3. 22 dollars
- 4. 24 orders
- 5. 12 numbers
- 6. 6 numbers
- 7. 6 numbers
- 8. 12 numbers
- 9. 18 dollars
- 10. 6 numbers
- 11. 20 numbers
- 12. 20 numbers
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/challenge-5