Multiples
What are the first multiples of 3?
3,6,9,12
Factors of 6
1,2,3,6
4
Composite
Jane has a piece of paper that is 2 inches by 2 inches.
What is the area? What is the perimeter?
area 4 square inches
Perimeter 8 inches
An art teacher has a rectangular block of clay that is 9 inches long. Its width is 3 times smaller than its length. Find the area and perimeter of
the clay.
area 27 square inches
perimeter 24 inches
What are the first 3 multiples of 5?
5, 10, 15,
Factors of 5
5, 10, 15
13
prime
I need a new rug for my classroom. Do I need to find area or perimeter?
Area
A garden is 3 feet wide. Its length is twice as large as the width. Find the area and
perimeter of the garden.
area 18 sq. feet
p =18 feet
14, 21, 28 are multiples of what number?
Multiples of 7
Factors of 12
1, 2, 3, 4, 6, 12
27
composite
Jack wants to build a dog run that is 3 feet by 9 feet. What will be the area of the dog run?
What will be the perimeter of the dog run?
area 27 square feet
perimeter 24 feet
A cardboard box is 20 inches long. This is 5 times the width of the box. What is the
area of the box?
area 80 sq. inches
p= 48 inches
18, 24, 30 are multiples of what number?
6
Factors of 16
1, 2, 4, 8, 16
37
prime
I want to put a wallpaper border around my kitchen. Do I need to find area or perimeter?
Perimeter
A rectangle has an area of 27 square units. Its width is 3 times its length. What are the
dimensions of the rectangle?
3 x 9 units
First four multiples of 12
12,24,36,48
Factors of 32
1, 2, 4, 8, 16, 32
1
Neither prime or composite
What is the area and perimeter of a room that has dimensions of 12 x 8?
area 96 square feet
perimeter 40 feet
A narrow rectangular banner is 5 inches wide. Its length is 4 times its width. What is its area and perimeter?
A= 100 sq. inches
P=50 inches