755 prompts matching "Showing a triangle is right-angled using the dot product"
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Rewriting different bases as the same base
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Simplifying the square root of a larger number
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Multiplying two surds together
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Finding a missing intersection from set sizes
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Interpreting neither-nor in a Venn diagram problem
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Full WAEC-style set theory past question
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Set theory laws: commutative and associative
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Finding the number of terms in an arithmetic series
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Deciding whether a geometric series converges
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Finding the first term or common difference from the sum formula
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Finding the point of intersection of two lines
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Distinguishing gradient sign: positive, negative, zero, undefined
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Changing the subject of a simple formula
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Simplifying an expression with brackets and indices together
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Explaining the difference between an expression and an equation
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Explain Back: Where the surds sit on the number line
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Final Revision: Approximating a surd to three decimal places
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Quiz: Reducing two surds to the same root in order to compare them
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Spot My Mistake: Why root 8 and root 2 turn out to be similar
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Final Revision: Surds that cannot be combined at all
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