1,483 prompts matching "IGCSE practice: The exact sine, cosine and tangent of 30 and 60 degrees"
Find my error: Calculating compound interest
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Find my error: Factorising an algebraic expression
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Find my error: Solving a fractional equation with a linear
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Extra quiz: A quadratic with a repeated root
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Find my error: Deciding which method is fastest
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Find my error: Using proportional reasoning to solve
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Find my error: Finding an unknown quantity using direct
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Non-calculator paper: Writing a number as a product of its prime factors
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Show that, hence find: Inserting brackets to make a statement true
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Calculator paper: Rewriting a negative index as a positive one
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Non-calculator paper: A fractional index read as a root
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Show that, hence find: Simplifying an expression that mixes several index laws
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Non-calculator paper: Why a negative number has no real square root
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Show that, hence find: A journey broken into legs with a stop between
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Calculator paper: Simple interest on a Nigerian savings account
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Non-calculator paper: Compound interest over several years
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Calculator paper: Factorising by taking out a common factor
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Show that, hence find: Factorising by grouping
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Non-calculator paper: Grouping continuous data into classes
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Show that, hence find: Reporting a statistical finding honestly
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