standard_description: Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.
problem_activity: Problem 7
Pre-unit
The line plot shows the lengths of some toothpicks in inches.
[IMG]
How many measurements are there?
What is the difference between the longest and shortest toothpicks?


aligns: no