Let’s Learn About Perimeter!
What is perimeter?
Goal:
Goal:
Think About It!
Goal: Define and identify the perimeter of a shape.
Attributes help us identify different shapes. One attribute we can use is called perimeter. Perimeter is the distance around a shape.
Look at this rectangle. It is full of little squares called unit squares.
We can find the perimeter of this rectangle by counting the unit squares on each side.
The perimeter of this rectangle is 16 units because we counted 16 squares around the rectangle.
What is the perimeter of this square? Instead of counting individual unit squares, we can add the labeled unit squares together.
3 + 3 + 3 + 3 = _____ units
Once you know the perimeter, click the Show Me button to check your work!
12 units
What is the perimeter of this triangle?
You can find the perimeter by adding the units of each side of the triangle!
You can find the perimeter by adding the units of each side of the triangle!
You got # out of # correct.
Click the
Retry button for another attempt.
You got a perfect score. Great job!