755 prompts matching "Learn: The probability that a normal variable lies between two values"
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Deciding if three points are collinear
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Show all working: multi-part coordinate geometry question
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Coordinate geometry proof: right-angled triangle
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Coordinate geometry proof: isosceles triangle
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Word problem: coordinate geometry in a real map context
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Perpendicular from a point to a line
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Coordinate geometry exam question: quadrilateral vertices
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Quiz me rapid-fire on gradients and equations of lines
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Coordinate geometry involving a right-angle condition to find x
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Full worked exam-style problem combining gradient, distance and midpoint
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Solving a word problem using simultaneous equations
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Multi-part algebraic manipulation exam question
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Quiz me rapid-fire on expanding and factorising
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Show All Working: Checking a rationalised answer by decimal approximation
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Show All Working: Evaluating a repeated operation such as a*(b*c)
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Show All Working: Showing a set is not closed by a single counter-example
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