1,461 prompts matching "IGCSE practice: Choosing a sensible accuracy for an answer from its bounds"
Practice set: Converting a number from base two back to base
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Quiz: Finding the logarithm of a number greater than one
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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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Practice set: Simplifying algebraic expressions by grouping
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Spot my mistake: Collecting like terms in an expression
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Quiz: Substituting given numerical values into an algebraic
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Practice set: Finding the complement of a set within a universal set
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Quiz: Substituting given values into a formula to find
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Spot my mistake: Solving simultaneous equations by substitution
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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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Word problem: Choosing class intervals that do not overlap
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Quiz: Finding a height from a given angle of elevation
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Quiz: Calculating the square and square root of a number
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Quiz: Multiplying two fractions and cancelling first
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Quiz: Factorising an algebraic expression by extracting
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Practice set: Recognising the restrictions on the conclusions
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Quiz: Converting between millimetres, centimetres and metres
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Spot my mistake: Solving simultaneous equations where one unknown is already the subject
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