1,483 prompts matching "Forgetting to swap the leading diagonal when inverting"
Quiz: Cancelling a common factor to simplify a ratio
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Quiz: Converting a percentage to a fraction and a decimal
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Quiz: Substituting given numerical values into an algebraic
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Quiz: Substituting given values into a formula to find
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Quiz: Writing the equation that represents a direct variation
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Quiz: Reading the maximum or minimum value off a quadratic
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Quiz: Proving that the exterior angle of a triangle equals
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Spot my mistake: The conditions under which two triangles are congruent
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Quiz: Identifying the modal class of a grouped set
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Quiz: Calculating the square and square root of a number
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Spot my mistake: Converting a fraction to a decimal by division
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Quiz: Factorising an algebraic expression by extracting
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Quiz: Comparing two sets of data using their statistical
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Quiz: Recognising the symmetry properties of a prism
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Spot my mistake: Solving simultaneous equations where one unknown is already the subject
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Spot my mistake: Rounding a number to a given number of significant figures
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Quiz: Using proportional reasoning to solve a real-life ratio
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Quiz: The gradient of a line from two given points
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Spot my mistake: The equation of a line from its gradient and one point
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Real-life question: Squaring both sides safely when rearranging a formula
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