Question

Which is the best strategy to use to solve this problem?

Sophie wants to make a large rectangular sign that has an area of 60 square feet. She wants to put a border around the sign, but she wants to use as little border material as possible.



What are the dimensions Sophie should use for this sign?

Answer 1

A.

Write a number sentence.

Use a number sentence to calculate the area of a rectangle. Use guess and check to find two numbers that when multiplied will give a product of 60.








B.

Make a list.

Create a list of all possible whole-number combinations of length and width that would equal an area of 60 square feet. Then start calculating the perimeter of each rectangle. Look for a pattern to decrease the number of calculations you have to make.








C.

Use objects to model the problem.

Arrange 60 square tiles in different patterns that create a rectangular shape. Count the number of tiles on the perimeter of each of the shapes.

Answer 2

@K12awesomeness

Answer 3

A not sure

Answer 4

okay, one moment

Answer 5

Yeah, I would say A too.... The others don't quite makje sense for the question, so I would go with A.

Answer 6

thanks I thought so too

Answer 7

No Problem!!