Maths · My World Quest — full scheme of work · pioneer
How Fast Is It Changing? Rates of Change
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Section 1 of 425%
A Leaky Tap — How Worried Should You Be?
Imagine a tap drips steadily into a bucket. After 2 hours the bucket holds 6 litres. After 5 hours it holds 15 litres. Is the drip speeding up, slowing down, or staying the same? How would you even begin to answer that? Today's lesson gives you the mathematical tool to decide — and to predict what happens next.
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