755 prompts matching "Clearing the denominators before comparing coefficients"
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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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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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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Show All Working: Deciding whether two given surds are equal without a calculator
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Worked Example: Adding two surds that simplify to the same root
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Spot My Mistake: Dividing one surd by another
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Common Mistakes: Expanding the product of two surd brackets
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Spot My Mistake: Rationalising and then cancelling a common factor
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Worked Example: Why multiplying by the conjugate clears the surd
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Explain Back: The difference of two squares applied to surd conjugates
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WAEC Prep: Expressing the answer in the form a plus b root c
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Show All Working: A conjugate where the surd term comes first
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Explain Back: Solving an equation where the surd must be isolated first
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Worked Example: Reading the symbol used for a binary operation
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