Let’s Practice!
What is the perimeter? What is the missing length?
Goal:
Goal:
You Can Do It!
Goal: Read and answer questions about the perimeters and lengths of shapes.
It's time to test your problem-solving skills! Can you find the missing lengths and perimeters?
Find Lengths and Perimeters!
Caleb has a rectangular piece of paper with a length of 6 centimeters and a width of 4 centimeters. What is the perimeter of Caleb's paper?
Perimeter is the distance around a shape.
Perimeter is the distance around a shape.
Correct! The perimeter is 20 cm.
Madelyn found a piece of scrap metal. One side of the metal piece is 12 inches, one side is 4 inches, and one side is 5 inches. If the perimeter is 29 inches, how many inches is the missing length?
Correct! The missing length is 8 in.
You can find the missing length by adding the known side lengths and subtracting the sum from the perimeter.
You can find the missing length by adding the known side lengths and subtracting the sum from the perimeter.
Logan's math classroom is a strange shape. Two walls are 30 feet long, one wall is 15 feet long, one wall is 4 feet long, and the last wall is 6 feet long. What is the perimeter of the math classroom?
Correct! The perimeter is 85 ft.
You can find the perimeter by adding the lengths of the walls of the classroom together.
You can find the perimeter by adding the lengths of the walls of the classroom together.
A square photo has a side length of 4 centimeters. What is the perimeter of the photo?
Remember, a square has sides that are all the same length.
Remember, a square has sides that are all the same length.
Correct! The perimeter is 16 cm.
Zoe is helping her parents build a deck with six sides. Two of the sides are 3 feet long. One side is 16 feet long, one side is 20 feet long, and another side is 4 feet long. If the perimeter of the deck is 52 feet, how long is the last side of the deck?
Did you add the lengths and subtract the sum from the perimeter?
Correct! The last side of the deck is 6 feet.
Did you add the lengths and subtract the sum from the perimeter?
You got # out of # correct. Click the Retry button for another attempt.
You got a perfect score. Great job!