410 prompts matching "IGCSE practice: Similar triangles sitting inside one figure"
Worked example: Converting a base five number back to base ten as a check
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Worked example: Evaluating a negative expression in modular arithmetic
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Worked example: Turning a recurring decimal into a fraction with a geometric series
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Worked example: The locus of points equidistant from two fixed points
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Worked example: Inserting a geometric mean between two numbers
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Worked example: The area of a sector as a fraction of the whole circle
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Worked example: Drawing an accurate bearing diagram before calculating
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Worked example: Locating the quartiles in an ordered set of data
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Worked example: Working backwards to find what day a past date fell on
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Worked example: Finding the number in neither set from a Venn diagram
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Worked example: An equation modulo 12 solved on the clock face
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Worked example: Choosing the right form of the sum formula for r above or below 1
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Worked example: The angle between a line and a plane
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Worked example: Solving two line equations simultaneously to find where they meet
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Worked example: Differentiating a linear function from first principles
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Worked example: Differentiating a polynomial with negative indices
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Worked example: Finding the equation of a tangent at a point
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Worked example: Sketching a cubic using its stationary points
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Worked example: A ladder sliding down a wall as a related-rate problem
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Worked example: Integrating a polynomial term by term
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