pptx, 608.23 KB
pptx, 608.23 KB

With many thanks to Don Steward for inspiration on Saturday 16 March 2019 at ATM London, IoE, UCL, London.

Cross links to ratio, sequences and gradient.

Square dotty paper is set as back ground for slides; so you can build your own or print and ask your pupils to create their own.

I’m certain you have access to more than enough questions on adding fractions.

This merely provides pupils with a different means to answer them; visually/geometrically.

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Review

5

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mhorley

6 years ago
5

An interesting idea that reinforces the idea of a fraction being a ratio of two numbers, in this case, the x and the y displacement.<br /> It also gives a clear visual representation why 1/3 = 2/6, etc. I think I would start with this as a way to find equivalent fractions before then looking at addition and subtraction. I thought you made a brave attempt to show the addition of two fractions through rotating! I don't think I would go there but, as with everything, it depends on the class.

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