1,483 prompts matching "IGCSE practice: Extrapolation beyond the data, and why it is risky"
Worked example: Constructing a perpendicular bisector
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Worked example: Constructing an algebraic expression
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Worked example: Solving a quadratic equation by factorisation
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Worked example: Choosing a sensible degree of accuracy for an answer
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Extra quiz: Using rate to compare speed in kilometres per hour
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Extra quiz: Solving a linear equation that contains brackets
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Teach me again: Distinguishing between rational
You are my personal SS1 Maths tutor. Teach me distinguishing between rational and irration
Extra quiz: Substituting numbers into an algebraic expression
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Extra quiz: Constructing a perpendicular bisector of a line
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Extra quiz: Constructing an algebraic expression from a word
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Extra quiz: Plotting Cartesian coordinates in two dimensions
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Worked example: A calculation mixing all four operations
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Explain back: Estimating a square root between two whole numbers
I have just studied estimating a square root between two whole numbers in my SS1 Mathemati
Worked example: Simplifying a surd by taking out a square factor
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Explain back: Substituting numbers into an expression
I have just studied substituting numbers into an expression in my SS1 Mathematics class. L
Worked example: Writing an expression from a described situation
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Worked example: Simplifying an algebraic fraction
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Worked example: Spotting a misleading scale on a chart
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Explain back: Bisecting a given angle with compasses
I have just studied bisecting a given angle with compasses in my SS1 Mathematics class. Le
Explain back: Lines of symmetry in a plane shape
I have just studied lines of symmetry in a plane shape in my SS1 Mathematics class. Let me