1,461 prompts matching "IGCSE practice: Choosing a sensible accuracy for an answer from its bounds"
Another worked example: Finding an angle with the inverse tangent
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Find my error: Finding an angle of elevation from a height and a distance
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Extra quiz: Finding the area and perimeter of a parallelogram
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Find my error: Working backwards from a sector area to its angle
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More WAEC practice: The highest common factor of two numbers
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Find my error: Calculating the square and square root
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Real-life question: Calculating the cube and cube root
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Extra quiz: Reading and calculating time using the 12-hour
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Real-life question: Finding the original amount before a percentage decrease
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Extra quiz: Substituting numbers into an algebraic expression
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Find my error: Factorising an algebraic expression
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Real-life question: Recognising a difference of two squares before factorising
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Another worked example: Drawing an angle of a given size with a protractor
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Find my error: Converting between metres and kilometres
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More WAEC practice: Naming a polygon by its number of sides
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Real-life question: Calculating the mean of a set
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Extra quiz: Finding the interquartile range of a set of data
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Another worked example: Reading a quantity off a pictogram with part symbols
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Extra quiz: Constructing an algebraic expression from a word
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Another worked example: Why rounding twice can drift from the true value
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