Substitution

Lots of examples of substituting values into algebraic expressions

 

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Doughnut Dissection

Doughnut Dissection

A puzzle to find four different ways of making 900 by multiplying together three different numbers. So far this activity has been accessed 121 times and 24 people have earned a Transum Trophy for completing it.

Teacher: Click the play button in the centre of the video screen above. In the bottom right corner of the video (when you cursor moves over the playing video) is a broken square button which opens full-screen mode.

Substitution

Lots of examples of substituting values into algebraic expressions

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