Which is the best strategy to use to solve this problem?
sophie wants to make a large rectan...
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Mathematics, 18.09.2019 07:20 hjgdk6018
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?
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.
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