Area and Perimeter Concepts Review

This video tutorial reviews the concepts of area and perimeter, focusing on rectangles. It explains how to calculate the area by multiplying length and width and emphasizes labeling answers in square units. The tutorial also covers perimeter, describing it as the distance around a shape, and highlights the importance of using linear units. The video includes practice problems to reinforce these concepts.

What formula is used to calculate the area of a rectangle?

• Length + Width

• Length x Width

• (Length + Width) x 2

• Length / Width

How should the area of a rectangle be labeled?

• Cubic units

• Square units

• Units squared

• Units

Why do rectangles always use the formula length x width for area?

• Because opposite sides are congruent

• Because they have one right angle

• All of the above

• Because they have four sides

What is the area of a rectangle with a length of 4 meters and a width of 6 meters?

• 2 square meters

• 24 square meters

• 10 square meters

• 20 square meters

What mistake was made in labeling the units for area calculation?

• Using cubic units

• Using square meters without dimensions

• Using units instead of square units

• Forgetting to label units

How is the perimeter of a rectangle calculated?

• Length x Width

• Length + Width

• (Length + Width) x 2

• Adding all sides

What units are used to measure the perimeter of a rectangle?

• Units squared

• Units

• Cubic units

• Square units

What is the correct way to label the perimeter of a shape?

• Units

• Cubic units

• Units squared

• Square units

What is the perimeter of a rectangle with sides of 9 and 5 units?

• 45 units

• 28 units

• 14 units

• 18 units

If a rectangle has sides of 7.5 and 4.5 units, what is its perimeter?

• 12 units

• 22 units

• 30 units

• 24 units