# Calculate the area of non-rectilinear shapes

In this lesson, we will estimate the area of shapes that are not rectangles and are presented on a grid. Then we will use a mixture of calculating the area of rectangles and counting the additional parts to estimate the total area.

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

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# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

# Lesson summary: Calculate the area of non-rectilinear shapes

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## Time to move!

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