713 prompts matching "A rate of change problem taken from Nigerian manufacturing"
Quiz: Finding an obtuse angle with the cosine rule
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Quiz: Locating the twentieth percentile on an ogive
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Quiz: A two-stage tree diagram without replacement
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Practice: Using brackets to force the intended order
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Learn: Why alternate angles are equal
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Learn: The kite formed by two tangents and two radii
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Spot my mistake: The area under a speed-time graph read as distance
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Practice: Why the angle in a semicircle is a right angle
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Spot my mistake: Setting each bracket to nought to find the roots
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Spot my mistake: Why a term-to-term rule needs a starting value
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Learn: Finding a missing angle in a cyclic quadrilateral
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Practice: Enlarging with a fractional scale factor
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Spot my mistake: Reading across and then down to the median value
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Learn: Why any non-zero number to the power nought is one
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Learn: Where the sine curve crosses the x-axis
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Learn: Checking the answer against the longest side
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Learn: The symbols for element, subset and empty set
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Quiz: Completing the square on a monic quadratic
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Practice: The solution set common to two inequalities
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Spot my mistake: Proving that two shapes are similar
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