755 prompts matching "Quiz me on nPr versus nCr notation"
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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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WAEC-style past question on algebraic fractions
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Common sign errors in algebraic manipulation
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Common mistakes with composite and inverse functions
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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
I have just studied where the surds sit on the number line in my SS1 Further Mathematics c
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: Classifying a mixed list of numbers as rational or irrational
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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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Common Mistakes: Expressing root 50 as a multiple of root 2
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Final Revision: Surds that cannot be combined at all
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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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Show All Working: Simplifying a surd expression that contains brackets
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Common Mistakes: Expanding the product of two surd brackets
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