640 prompts matching "Quiz: Writing a two-dimensional vector as a column"
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Solving a linear inequality and showing the solution
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Representing a solution set on a number line
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Solving simultaneous linear equations by substitution
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Solving simultaneous linear equations by elimination
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Changing the subject of a simple formula
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Changing the subject when the variable appears twice
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Simplifying an expression with brackets and indices together
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Substituting values into an algebraic expression
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Factorising a quadratic with a coefficient in front of x squared
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Cross-multiplying to solve an equation with fractions
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Explaining the difference between an expression and an equation
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Common mistakes with composite and inverse functions
Teach me the most common mistakes SS1 students make with composite and inverse functions,
Learn: Telling a rational number from an irrational one
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Worked Example: Why the square root of a non-square whole number is irrational
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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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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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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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Practice: Collecting similar surds in an expression
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