Area and Perimeter

Workers at a school are covering a rectangular patio with square tiles. Each square tile has an area of 1 square yard. The figure shows the part of the patio that has already been covered with square tiles.

What is the area of the entire patio in square yards?

_______ square yards.

Tags

Area

Perimeter

Heidi is making a rectangular card. The shaded rectangle on the grid represents the card.

What is the area of this card in square centimeters?

_______ square centimeters

The side lengths of a rectangular mirror are shown in inches.

What is the perimeter of the mirror in inches?

The perimeter of the rectangular floor of Mr. Bryan’s cabin is 46 feet. The width of the floor is 10 feet, as shown.

What is the length of the floor of Mr. Bryan’s cabin in feet?

The shaded figure on the grid represents Erin’s rectangular lawn.

What is the area in square meters of Erin’s lawn?

____ square meters

Gina’s journal has a square cover with the side length shown.

What is the perimeter of the cover of Gina’s journal in centimeters?

____ centimeters

Gretchen made this table to show the side lengths and perimeters of three figures.

What mistake, if any, did Gretchen make?

• The perimeter of the rectangle should be 24 yards.

• The perimeter of the square should be 36 yards.

• The perimeter of the triangle should be 20 yards.

• Gretchen did not make any mistakes in the table.

Maria put cloth squares together to make a blanket. The blanket is modeled by this rectangle.

What is the area of the blanket in square feet?

_____ square feet.

A model of a rectangular bulletin board is shown. The top row has been divided into squares of equal size.

The rest of the model will also be divided into squares of the same size. What is the area in square units represented by this model?

____ square units

Holly made a poster using two congruent pentagons and a square.

What is the perimeter of the poster in inches?

______ inches