\( \DeclareMathOperator{cosec}{cosec} \)

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Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- BIDMAS A self marking exercise testing the application of BIDMAS, an acronym describing the order of operations used when evaluating expressions.
- BIDMAS Game An online interactive game celebrating the order of mathematical operations.
- BIDMAS Video A reminder of the order of operations often referred to as BIDMAS, BODMAS or PEMDAS.
- Missing Operations Exercise Each box represents a missing operation (add, subtract, multiply or divide). What are they?

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

There are also many ideas for lesson Starters to be seen on the Mental Methods topic page.

How do you teach this topic? Do you have any tips or suggestions for other teachers? It is always useful to receive feedback and helps make these free resources even more useful for Maths teachers anywhere in the world. Click here to enter your comments.