4C,
Working out the area of a compound shape can be a bit tricky so remember that you can use a colour-pencil to help you. Each time you have added a number, draw the line with a colour-pencil. Then, you will not forget to add all the sides! If you do this, when you come to doing a test you can draw the line quickly with a pencil and you should get the answer right!
Remember, we are only BEGINNING to find out PERIMETERS OF COMPOUND SHAPES because it is quite difficult. Here are some links to websites (for secondary children!) to help you.
Perimeter of simple shapes website.
Perimeter of compound shapes website.
This perimeter activity is rather tricky but have a try if you are feeling brave or test a brother or sister!
Short perimeter test!
Other harder maths on measures!
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