Perimeter Puzzlers
The perimeter of a square that has a side length of 4 inches.
What is 16 inches?
The area of a rectangle with a length of 5 units and a width of 3 units.
What is 15 square units?
A rectangle has an area of 42 square inches. The length is 7 inches. This is the width.
What is 6 inches?
You put two rectangles together side by side. One is 2x3 and one is 2x4. To find the total area, you do this.
What is add the areas? (6 + 8 = 14 square units)
Ms. Johnson wants to put a fence around her square flower bed. Each side is 4 feet. The fencing costs $5 per foot. This is the total cost.
Question: What is $80? (16 x 5)
The perimeter of a rectangle that is 7 cm long and 3 cm wide.
What is 20 cm?
The area of a square with a side length of 6 meters
What is 36 square meters?
A square has a perimeter of 36 cm. This is the length of one side.
What is 9 cm?
An L-shaped figure is made of a 4x4 square and a 4x2 rectangle attached to it. This is the total area.
What is 24 square units? (16 + 8)
You are tiling a bathroom floor that is 8 feet long and 5 feet wide. Each tile is 1 square foot. This is how many tiles you need.
What is 40 tiles?
A regular hexagon (6 sides) has a side length of 5 feet. This is its perimeter.
What is 30 feet?
The area of a rectangle that is 9 feet wide and 12 feet long.
What is 108 square feet?
A rectangle has a perimeter of 50 m. The length is 15 m. This is the width.
(Hint: 15+15=30, 50-30=20, 20/2=10)
What is 10 m?
A rectangle that is 10 cm by 6 cm has a 2x2 square cut out of the middle. This is the area of the remaining shape.
What is 56 square cm? (60 - 4)
A basketball court is 94 feet long and 50 feet wide. A runner sprints along the edge of the court (the perimeter) 3 times. This is the total distance they ran.
What is 864 feet? (P=288, x3=864)
A rectangular garden has a length of 12 yards and a width of 8 yards. If you walk around it twice, this is the total distance you walked.
What is 80 yards?
A rectangular pool has an area of 72 square yards. The length is 9 yards. This is the width.
What is 8 yards?
A rectangle has an area of 100 square feet. The width is 10 feet. This is the perimeter.
Hint:(L=10, so it's a square)
What is 40 feet?
Challenge: A shape is made of two rectangles. The top rectangle is 5m by 3m. The bottom rectangle is 8m by 2m. They are stacked so the top sits on the left edge of the bottom. This is the perimeter of the whole shape.
What is 32 m? (8+2+8+2+5+3 - the overlapping line? Actually trace: 8 down, 2 right, 8 up, 5 left, 3 up, 5 left = 32m)
You are putting new carpet in a bedroom that is 12 ft by 10 ft. The carpet costs $4 per square foot. This is the total cost of the carpet.
What is $480? (Area=120, 120x4=480)
This is the missing side length of a triangle. Side 1 = 8 m, Side 2 = 6 m, and the total perimeter is 23 m.
What is 9 m?
Using the formula A = l × w, this is the area of a rectangle with a length of 14 cm and a width of 7 cm.
What is 98 square cm?
The side length of a regular octagon (8 sides) if the total perimeter is 56 mm.
What is 7 mm?
A playground is a large rectangle (20m x 15m). Inside there is a sandbox (5m x 4m). This is the area of the grass (the space outside the sandbox but inside the playground).
What is 280 square meters? (300 - 20)
A farmer has 36 meters of fencing. He wants to make a rectangular pen for his sheep. He wants the length to be 10 meters. This is the width the pen will be
What is 8 meters? (36/2=18, 18-10=8)