755 prompts matching "Learn: The equation of a circle with its centre at the origin"
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Fractional indices with numerator above 1
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Index laws with an unknown letter base
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Verifying an index law with numbers
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Multiplying two surds together
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Rationalising a denominator with a surd and integer
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Rationalising using the conjugate
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Rationalising and then simplifying fully
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Surds combined with algebraic terms
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Rationalising a denominator with three surd terms
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Logical reasoning with 'and' versus 'or' in sets
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Number of elements in a set from a Venn diagram region count
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Explaining the difference between a sequence and a series
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Alternating sequences and their pattern
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Coordinate geometry proof: right-angled triangle
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Coordinate geometry proof: isosceles triangle
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Solving a linear inequality and showing the solution
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Practice: Deciding whether root 16 is rational or irrational
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Explain Back: Where the surds sit on the number line
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Worked Example: Adding two surds that simplify to the same root
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