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To start today complete the arithmetic below. Don't worry that you do not have a sheet, just jot your answers down. The document contains the answers too, they are on the second page. 

Today you will use your knowledge of the properties of shape to calculate the perimeter of simple 2-D shapes. You will explore different methods for calculating the perimeter of a shape. For example, you may use repeated addition or make connections to multiplication.


Watch the video below to get you started. 

3.9.1 - Calculate perimeter

I have uploaded the video as teaching slides if you prefer. When you are ready have a go at the worksheet. 
When you have marked your work, have a go at our True and False Challenge.
If you would like to challenge yourself, here are some reasoning activities. Choose a couple to have a go at. 
The resources below may help if you are still unsure, some of the videos have links to quizzes.
Other activities can be found on Mathletics, I look forward to seeing your work later.smiley