757 prompts matching "IGCSE-style question: The condition on the common ratio for a sum to infinity"
Worked example: Sketching a quadratic from its factorised form
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Worked example: Solving a quadratic graphically by adding a straight line
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Teach me: What linear programming sets out to optimise
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Quiz me: Building a cumulative frequency table
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Practice set: Estimating quartiles and percentiles from an ogive
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Teach me: When a pie chart suits data better than a bar chart
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Explain back: Drawing a bar chart with equal bar widths
I have just studied drawing a bar chart with equal bar widths in my SS3 Mathematics class.
Spot my mistake: Drawing sector angles that do not total 360 degrees
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WAEC pitfalls: Comparing two pie charts of different totals directly
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Quiz me: Rounding a number to a stated number of significant figures
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Explain back: Decimal places and significant figures distinguished
I have just studied decimal places and significant figures distinguished in my SS3 Mathema
Worked example: Rounding a number whose leading digits are zeros
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WAEC pitfalls: Dropping trailing zeros that are in fact significant
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Practice set: Estimating an answer by rounding each quantity first
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Teach me: Absolute error and percentage error defined
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Quiz me: Calculating percentage error from a measured and a true value
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Explain back: Why percentage error is more useful than absolute error
I have just studied why percentage error is more useful than absolute error in my SS3 Math
WAEC pitfalls: Giving a percentage error as a negative quantity
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Quiz me: Calculating simple interest over a stated period
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Explain back: How compound interest differs from simple interest
I have just studied how compound interest differs from simple interest in my SS3 Mathemati