Exploring Perimeter Concepts

What is the definition of perimeter?

• The length of one side of a shape

• The volume of a 3D object

• The area covered by a shape

• The total distance around a shape

How do you find the perimeter of a rectangle?

• Multiply the length by the width

• Divide the total area by one of the sides

• Subtract the shorter sides from the longer sides

• Add the length of all sides

Tags

CCSS.4.MD.A.3

Why is it useful to calculate the perimeter of a garden?

• To determine how much space the plants need

• To find out how much water the garden requires

• To figure out how much fencing is needed around it

• To calculate the cost of the garden soil

What is one strategy for finding the perimeter on grid paper?

• Counting the grid squares inside the shape

• Measuring the shape with a ruler

• Counting around the outside of the shape

• Drawing a larger shape around it and calculating

How can you simplify adding the sides to find the perimeter?

• By dividing the total number of sides

• By subtracting the smallest side from the total

• By adding similar sides first

• By multiplying instead of adding

Tags

CCSS.3.MD.D.8

What is the perimeter of a square with each side measuring 5 units?

• 15 units

• 10 units

• 20 units

• 25 units

Tags

CCSS.4.MD.A.3

If a rectangle has two sides of 4 meters and two sides of 6 meters, what is its perimeter?

• 10 meters

• 24 meters

• 20 meters

• 40 meters

Tags

CCSS.3.MD.D.8

What unit of measurement is used for perimeter?

• Linear units

• Square units

• Kilograms

• Cubic units

How do you find the perimeter of an irregular shape?

• By counting the number of angles

• By adding the length of all its sides

• By measuring its area

• By calculating the diameter

Tags

CCSS.3.MD.D.8

What is the perimeter of a triangle with sides of 7, 5, and 7 units?

• 14 units

• 17 units

• 19 units

• 24 units

Tags

CCSS.3.MD.D.8