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 2, 3, 1, 5, using a digit only once in a number?
Answer: ______________ numbers
2How many different 2-digit numbers can you make with the digits 1, 5, 3, using a digit only once in a number?
Answer: ______________ numbers
3Ana spent half of the money in a piggy bank on a book, then $3 on a snack. Now there is $4 left. How much was in the piggy bank at first?
Answer: ______________ dollars
4Nora spent half of the money in a piggy bank on a book, then $9 on a snack. Now there is $8 left. How much was in the piggy bank at first?
Answer: ______________ dollars
53 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
6How many different 2-digit numbers can you make with the digits 1, 6, 3, using a digit only once in a number?
Answer: ______________ numbers
74 friends stand in a line for a photo. How many different orders can they stand in?
Answer: ______________ orders
8How many different 2-digit numbers can you make with the digits 8, 2, 3, 9, using a digit only once in a number?
Answer: ______________ numbers
9How many different 2-digit numbers can you make with the digits 9, 1, 6, using a digit only once in a number?
Answer: ______________ numbers
10Nora spent half of the money in a piggy bank on a book, then $3 on a snack. Now there is $2 left. How much was in the piggy bank at first?
Answer: ______________ dollars
11Maya spent half of the money in a piggy bank on a book, then $8 on a snack. Now there is $3 left. How much was in the piggy bank at first?
Answer: ______________ dollars
12How many different 2-digit numbers can you make with the digits 8, 1, 7, using a digit only once in a number?
Answer: ______________ numbers
Answer key: Challenge puzzles
- 1. 12 numbers
- 2. 6 numbers
- 3. 14 dollars
- 4. 34 dollars
- 5. 6 orders
- 6. 6 numbers
- 7. 24 orders
- 8. 12 numbers
- 9. 6 numbers
- 10. 10 dollars
- 11. 22 dollars
- 12. 6 numbers
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/5th-grade/challenge-5