Lesson 13: Practice Problems
Problem 1
Find the unknown side length of the rectangle if its area is 11 m². Show your reasoning.
Check your answer by multiplying it by the given side length (
). Is the resulting product 11? If not, revisit your work for the first question.
Problem 2
A worker is tiling the floor of a rectangular room that is 12 feet by 15 feet. The tiles are square with side lengths
Problem 3
A television screen has length
Problem 4
The area of a rectangle is
Problem 5 From Unit 4 Lesson 12
A bookshelf is 42 inches long.
How many books of length
inches will fit on the bookshelf? Explain your reasoning. A bookcase has 5 of these bookshelves. How many feet of shelf space is there? Explain your reasoning.
Problem 6 From Unit 4 Lesson 11
Find the value of
Problem 7 From Unit 4 Lesson 6
How many groups of
Problem 8 From Unit 2 Lesson 14
It takes