Understanding Area and Perimeter with Rob the Builder

What formula do we use to calculate the perimeter of a rectangle?

• Perimeter = Length + Width

• Perimeter = 2 x (Length + Width)

• Perimeter = 2 x Length + 2 x Width

• Perimeter = Length x Width

If a rectangle has a length of 10 meters and a width of 5 meters, what is its perimeter?

• 15 meters

• 50 meters

• 30 meters

• 20 meters

How do you calculate the area of a rectangle?

• Area = Length + Width

• Area = Length x Width

• Area = 2 x (Length + Width)

• Area = Length / Width

A wall that is 11 feet long and 8 feet wide needs to be built. What is the area of the wall?

• 19 square feet

• 88 square feet

• 96 square feet

• 138 square feet

A square courtyard has an area of 64 square yards. What is the length of one side of the courtyard?

• 8 yards

• 16 yards

• 32 yards

• 64 yards

What is the perimeter of a square courtyard that has one side measuring 8 yards?

• 24 yards

• 64 yards

• 32 yards

• 16 yards

If the area of a cafeteria is 882 square feet and its width is 9 feet, what is the length?

• 98 feet

• 882 feet

• 99 feet

• 100 feet

When dealing with a shape made of two rectangles, how do you find the total area?

• Multiply the lengths of both rectangles

• Add the area of rectangle 1 to the area of rectangle 2

• Subtract the smaller area from the larger one

• Divide the total perimeter by 2

If one rectangle has an area of 36 inches squared and another has 90 inches squared, what is their combined area?

• 124 inches squared

• 126 inches squared

• 116 inches squared

• 130 inches squared

What is the area of the section still needing wallpaper if one part is 8 feet by 9 feet?

• 81 square feet

• 72 square feet

• 64 square feet

• 17 square feet