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Ratio & proportionFoundation

Converting units of area and volume

A square metre drawn with 100 cm on each side shows why the conversion is 100 × 100, not 100. The same idea with a cube for volume, then dividing to go back to the bigger unit.

A free key stage 3 and GCSE Foundation ratio and proportion lesson on converting units of area and volume, spec codes R1 and N13. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket and end of unit tests.

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