755 prompts matching "Learn: The range, and why it is a weak measure of spread"
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IGCSE Additional Maths Y10: Reading the number of solutions off a pair of graphs — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on rea
Explaining why a^1/n means the nth root of a
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Explaining why we rationalise denominators
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Empty set and its notation
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Explaining why sum to infinity only works for |r| < 1
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Practice: An operation that is not commutative, with a counter-example
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Final Revision: Why brackets matter when an operation is not associative
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Practice: Multiplication distributing over addition in ordinary arithmetic
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Practice: Why an identity element must work from both sides
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IGCSE Additional Maths Y10: Showing that f of f inverse of x gives x back — Common Mistakes
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IGCSE Additional Maths Y10: Where a modulus graph meets a straight line — Common Mistakes
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IGCSE Additional Maths Y10: A quartic equation solved as a quadratic — Common Mistakes
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IGCSE Additional Maths Y10: A line meeting a circle — Common Mistakes
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IGCSE Additional Maths Y10: Checking a polynomial division by multiplying back — Common Mistakes
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IGCSE Additional Maths Y10: A cubic with only one real root — 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: Exponential decay in a real situation — Common Mistakes
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IGCSE Additional Maths Y10: How accurate a graphical solution really is — Common Mistakes
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Index equations with a fractional right-hand side
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