755 prompts matching "Structured question: solve a trig equation for all solutions in range"
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Final Revision: Approximating a surd to three decimal places
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WAEC Prep: Ordering a list of surds by size
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Common Mistakes: Expressing root 50 as a multiple of root 2
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WAEC Prep: Squaring a single surd
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Common Mistakes: Expanding the product of two surd brackets
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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WAEC Prep: Rationalising a denominator inside a larger expression
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Final Revision: Checking a conjugate answer by multiplying back
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WAEC Prep: Writing a binary operation rule from a description in words
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Common Mistakes: A binary operation that is ordinary addition in disguise
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WAEC Prep: A set closed under one operation but not another
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Common Mistakes: Closure on a set of three elements under a stated rule
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WAEC Prep: An operation that is commutative but not associative
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Common Mistakes: Subtraction as an example of neither law
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Final Revision: Why brackets matter when an operation is not associative
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WAEC Prep: A rule where distributivity holds one way only
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Common Mistakes: Distributivity on a set of three elements
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