Two quantities are said to be in direct proportion if they increase or decrease in the same ratio. If two amounts are directly proportional we can scale the quantities up by multiplying. 150 ml × 5 = ...

“Do you see the pattern? Each number in the series after the first two numbers is the sum of the preceding two numbers.” That’s how I began my last column focusing on the Fibonacci sequence, which ...

Keiran McLean: We’re in the office of world famous architect Zara Jones who’s about to reveal her new design. Zara Jones: Ladies and Gentlemen, I give you my ‘House for a Geometry Lover’. Keiran ...

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