Relate Perimeter and Area
A rectangle has a length of 5 m and a width of 3 m.
Name another rectangle with the same area, but a different perimeter.
Ex. 1 m × 20 m 2 m × 10 m
4 m × 6 m
Any factors of 20!
Luke is buying wood flooring to renovate his living room. The dimensions of his living room are 7 m × 6 m. How many square meters of wood flooring should Luke buy?
A = 42 square m
A rectangle has a length of 3 cm and a width of 4 cm. Name another rectangle with the same perimeter, but a different area.
Ex. 5 cm × 2 cm 6 cm × 1 cm
Any rectangle with a perimeter of 14!
Paula is buying wallpaper to create a border around her bedroom. Her bedroom is 4 m × 5 m in size. How many meters of wallpaper does she need?
P = 18 m
Name the side lengths of a rectangle with an area of 24 square inches.
Ex. 1 in × 24 in 2 in × 12 in
3 in × 8 in 4 in × 6 in
Any factors of 24!
Jana is retiling her kitchen floor. The kitchen has dimensions of 20 ft × 22 ft. How many square feet of tile does Jana need to buy?
A = 440 square feet
Name the side lengths of two rectangles with a perimeter of 16 cm.
1cm x 7pm
2cm x 6cm
Any rectangle with a perimeter of 16!
Fatima is buying a rug for her bedroom. She wants a rug less than 10 square feet. Should she buy a rug that measures 3 ft × 3 ft or 4 ft × 4 ft?
3 ft × 3 ft
9 square ft < 10 square ft
Name two possible rectangles with an area of 36 square feet.
1 ft × 36 ft. 2 ft × 18 ft
3 ft × 12 ft 4 ft × 9 ft
6 ft × 6 ft
Jose wants to buy a picture frame with a perimeter of 30 inches. Should he buy a frame that is 7 in × 6 in or 7 in × 8 in?
7 in × 8 in