際際滷

際際滷Share a Scribd company logo

Pitch perimeters

Download as PPT, PDF
W
Worserbay

The document discusses calculating the perimeter of rectangles. It defines perimeter as the total length of all sides of a shape. It provides examples of finding the perimeter by adding the lengths of all sides together. For rectangles where not all side lengths are given, the document notes additional strategies like doubling one side length and adding it to the other. Finally, it directs readers to practice calculating perimeters of drawn rectangles in their math workbook.

1 of 8
Download to read offline
Pitch Perimeters WALT : calculate the perimeter of rectangles
What do we mean by the perimeter of a shape? The total length of all the sides 10cm 5cm Answer = 30cm
What strategies did you use to find your answer? Add all the sides together Double the length, double the width and add them together Add the length and width and double it
Now try this one 25cm 10cm
And this one 50m 25m
How do we find the missing lengths? 10cm 10cm 5cm 20cm
Perimeters worksheet In your maths book, draw each shape accurately (using a ruler). Then work out the perimeter and record it underneath the shape.
Common errors

More Related Content

Pitch perimeters