Measurement and Perimeter of Shapes
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Questions and Answers

What is measurement?

  • Finding the area of a shape
  • Counting the number of sides of a shape
  • Finding the amount or size of something (correct)
  • Finding the perimeter of a shape

    • What is the perimeter of a shape?

  • The area of the shape
  • The distance around the outside of a shape (correct)
  • The distance across the shape
  • The number of sides of the shape

    • Why does Kayla need to measure the perimeter of the dollhouse?

  • To find the volume of the dollhouse
  • To prepare the decorations for her dollhouse (correct)
  • To find the area of the dollhouse
  • To count the number of rooms in the dollhouse

    • What shape is the door of the dollhouse?

    <p>Rectangle</p> Signup and view all the answers

    How many inches of green trim does Kayla need for the door?

    <p>24 inches</p> Signup and view all the answers

    What shape is the window of the dollhouse?

    <p>Hexagon</p> Signup and view all the answers

    How many inches of blue trim does Kayla need for the window?

    <p>18 inches</p> Signup and view all the answers

    How do you find the perimeter of a rectangle?

    <p>Add the length of all its sides</p> Signup and view all the answers

    What is the purpose of finding the perimeter of the door and window?

    <p>To prepare the decorations for the dollhouse</p> Signup and view all the answers

    Why are opposite sides of a rectangle equal?

    <p>Because it is a property of rectangles</p> Signup and view all the answers

    Study Notes

    Measurement

    • Measurement is finding the amount or size of something
    • There are many different kinds of measurement and ways to do it

    Perimeter

    • Perimeter is the distance around the outside of a shape
    • Perimeter is found by adding together the length of all a shape's sides
    • Examples of perimeter include the lines around the edge of a soccer field and the curb around a parking lot

    Perimeter of a Rectangle

    • In a rectangle, opposite sides are equal
    • To find the perimeter of a rectangle, add the length of all four sides together
    • Example: door with sides of 8 inches and 4 inches has a perimeter of 24 inches (8 + 8 + 4 + 4)

    Perimeter of a Hexagon

    • A hexagon is a shape with six sides
    • To find the perimeter of a hexagon, add the length of all six sides together
    • Example: window with six sides of 3 inches each has a perimeter of 18 inches (3 + 3 + 3 + 3 + 3 + 3)

    Perimeter of an Irregular Polygon

    • An irregular polygon is a shape with sides that are not equal to each other
    • To find the perimeter of an irregular polygon, add the length of all the sides together
    • Example: fence with twelve sides of varying lengths has a perimeter of 133 inches (18 + 20 + 4 + 15 + 15 + 6 + 5 + 4 + 8 + 14 + 4 + 20)

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    Description

    Understanding measurement concepts, including perimeter, and how to find it in different shapes, especially rectangles.

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