755 prompts matching "The z-score of a value that lies below the mean"
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Full worked exam-style problem combining gradient, distance and midpoint
I am in SS 1. I'm going to explain a single exam-style coordinate geometry question that r
Expanding and simplifying with negative brackets
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Dividing algebraic fractions
I am in SS 1. I attempted an Additional Maths question on dividing one algebraic fraction
Representing a solution set on a number line
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Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving simultaneous linear equations by elimination
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Multi-part algebraic manipulation exam question
I am in SS 1. I attempted an Additional Maths question on a Cambridge/Additional Maths sty
Simplifying expressions with like and unlike terms
I am in SS 1. Teach me correctly identifying and collecting like terms in a longer algebra
Common sign errors in algebraic manipulation
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Final Revision: Approximating a surd to three decimal places
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Final Revision: Checking a conjugate answer by multiplying back
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Quiz: Checking a surd equation for extraneous roots
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Quiz: Evaluating a*b from a given rule
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Final Revision: Why brackets matter when an operation is not associative
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Quiz: Left distributivity and right distributivity
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Quiz: A negative index on a fraction, and turning it upside down
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Final Revision: Checking an indicial solution by substitution
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Quiz: Writing a logarithm as an index statement
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