649 prompts matching "how many ways can a committee of 4 be chosen from 10 people"
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Changing the subject of a simple formula
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Explaining the difference between an expression and an equation
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Common Mistakes: Checking an inverse by working the operation both ways
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Common Mistakes: The Fibonacci sequence and the rule behind it
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Common Mistakes: Inserting a geometric mean between two numbers
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Common Mistakes: A quadratic inequality that has to be rearranged first
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IGCSE Additional Maths Y10: A mapping diagram, and what it shows — Common Mistakes
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IGCSE Additional Maths Y10: Sketching the inverse of a quadratic with a restricted domain — Common Mistakes
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IGCSE Additional Maths Y10: The range of a quadratic function — Common Mistakes
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IGCSE Additional Maths Y10: The range of values of x that satisfies a stated condition — Common Mistakes
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IGCSE Additional Maths Y10: Checking both pairs of solutions — Common Mistakes
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IGCSE Additional Maths Y10: The half-life of a decaying quantity — Common Mistakes
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IGCSE Additional Maths Y10: Reading the intercept off a linear-form graph — Common Mistakes
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IGCSE Additional Maths Y10: The gradient of a horizontal line and of a vertical line — Common Mistakes
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IGCSE Additional Maths Y10: The altitude of a triangle drawn from one vertex — Common Mistakes
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IGCSE Additional Maths Y10: The diagonals of a quadrilateral, and where they meet — Common Mistakes
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IGCSE Additional Maths Y10: The effect of a transformation on the coordinates of a point — Common Mistakes
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