Grade
5
Math in Our World: Ruined Receipt
![A receipt for produce from The Farm Stand has some scribbles on it. Bananas: 5 pounds, $0.39 per pound, $1.95. Cantaloupe, 3, unknown price each, $8.04. Strawberries, unknown quantity, $1.88 per pound, $7.52. Watermelon, 12 pounds, $0.59 per pound, unknown total. Fuji apples, 6 pounds, unknown price per pound, $10.14. The total balance due for the fruit is unknown, but they paid $40 dollars in cash and got $5.27 in change.](/sites/default/files/styles/large/public/inline-images/v4DCRsfm88MW2QuS6QfF6rzYE4a7WM0oTQ0txC9qlgxlUgzoJb.png?itok=3hT8X-_u)
Ling and her family bought some fruit at the store, but the receipt came out all wonky.
- Use pictures, models, or numbers to show what is happening.
- What do you notice? What do you wonder?
- What mathematical questions can you ask about this situation? Answer all the questions you can!
Use estimation to begin finding any missing information.
- If 3 cantaloupes cost $8.04, what do you know about the price of each?
- Between which two whole dollar amounts will the price per cantaloupe be?
- Show your work to someone and explain your thinking. Did they understand?
- Ask whether they have any other questions you can answer!
Ask your parents if you can make a fruit salad. Look for a flyer from your grocery store and make a plan. What would you put in your fruit salad? How much would it all cost?
Printable Version
Google doc for printing and copying
Reference for Educators
Sample problems and solutions