1,462 prompts matching "Why grouped data gives an estimated rather than an exact median"
Worked example: Substituting into the quadratic formula carefully
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Worked example: Solving a related equation by adding a line to the graph
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Worked example: The perimeter of a segment
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Worked example: Rolling a sector into a cone
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Worked example: The frustum of a pyramid
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Practice set: Converting a base ten number to base eight by repeated division
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Spot my mistake: Adding two numbers in base two
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Word problem: Subtracting in base five with borrowing
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Practice set: Converting a number from base two back to base
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Spot my mistake: The multiplication law of indices
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Word problem: Subtracting indices to divide powers of the same base
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Spot my mistake: Using logarithm tables to divide two numbers
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Word problem: Raising a number to a power using logarithms
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Spot my mistake: Comparing two ratios
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Word problem: A rate as a comparison between two different units
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Worked example: Using rate to compare speed in kilometres per
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Quiz: Using letters of the alphabet to represent unknown
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Practice set: Simplifying algebraic expressions by grouping
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Word problem: Adding algebraic fractions using the lowest common multiple
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Spot my mistake: Describing a set using set-builder notation
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