746 prompts matching "IGCSE practice: The volume of a sphere from its radius"
Worked example: Estimating the median from a cumulative frequency curve
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WAEC pitfalls: Reading the quartiles off the wrong axis
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Real-life Nigeria: Comparing two distributions from their ogives
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Word problem: Comparing the consistency of two Nigerian farmers' yields
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Worked example: The mean deviation of an ungrouped data set
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WAEC pitfalls: Dividing by the wrong number of items
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Worked example: Reading a quantity from a pie chart given the total
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Real-life Nigeria: Choosing the right chart for a given set of data
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Spot my mistake: Rounding twice and drifting away from the true value
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Spot my mistake: Dividing by the measured value instead of the true value
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WAEC pitfalls: Using the rate as a whole number instead of a decimal
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Practice: A four-day market cycle written as arithmetic modulo four
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Practice: Forming an equation about an unknown base
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Practice: Writing a bearing with three figures even when it is small
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Practice: Splitting a composite solid into parts you can calculate
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Practice: A savings scheme that grows by a fixed amount each month
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Practice: Converting between two bases without passing through base ten
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Practice: Solving a linear inequality in one variable
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Practice: Factorising a quadratic expression into two brackets
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Practice: Multiplication in modular arithmetic
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