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Introduction to Perimeter

LESSON MATERIALSmove Generate Student Link
Introduction to Perimeter
What you will learn from this videoWhat you will learn
  • We’ll learn that perimeter is the distance around a shape.
  • That we can use perimeter to figure out unknown sides of an object.
  • And that knowing the perimeter can help us build a fort, have a party, and even hang our favorite picture.
  • Discussion Questions

  • Vocabulary

  • Reading Material

  • Practice Word Problems

  • Practice Number Problems

  • Teacher Resources

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Level 1

What is the perimeter of a rectangle that has 2 sides labeled: 75 cm and 55 cm?

Level 2

A shape has a perimeter of 190 cm. You labeled all sides but one and forget what the measurement is. You have these measurements written down: 30 cm, 40 cm, 20 cm, 70 cm. What is the length of the last side?

Level 3

A rectangular dining room table has side lengths 3 m and 6 m. Jo multiplied 3 m × 6 m to find the perimeter of the table. Is Jo right? Tell why or why not.

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