1,460 prompts matching "IGCSE practice: Choosing sine rather than cosine or tangent"
Practice set: Calculating the mean of a set of individual data
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Practice set: Solving simultaneous linear equations in two variables
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Practice set: Average speed over a whole journey
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Practice set: The length of a line segment from its endpoints
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Practice set: Calculating the probability of a single event
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Another worked example: Converting a base ten number to base
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Another worked example: A problem that changes base part of the way through
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Another worked example: Writing expressions using positive
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Find my error: Finding the logarithm of a number greater
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Another worked example: Using logarithm tables to multiply
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Another worked example: Finding the original quantity after a decrease in a given ratio
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Another worked example: Calculating the Value Added Tax (VAT)
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Another worked example: Simplifying an expression containing a fraction
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Another worked example: Describing a set by listing
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Another worked example: Using a Venn diagram with three sets
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Another worked example: A pair of simultaneous equations from a word problem
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Another worked example: Factorising a quadratic whose leading coefficient is not one
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Another worked example: Showing that the sum of the exterior
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Another worked example: Using the equal intercept theorem to find a missing length
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Another worked example: Why the mode of grouped data is only an estimate
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