745 prompts matching "When Lami's theorem may be used, and when it may not"
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Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Sum of the first n odd numbers
I am in SS 1. Quiz me with 4 short Additional Maths questions on proving and using the fac
Series exam question with show all working
I am in SS 1. I'm going to explain a full Cambridge/Additional Maths style series question
Finding a sequence's sum between two term numbers
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Multi-part progression problem with an unknown first term
I am in SS 1. Quiz me with 5 short Additional Maths questions on a multi-part question whe
Explaining why sum to infinity only works for |r| < 1
I am in SS 1. Quiz me with 5 short Additional Maths questions on explaining, using a numer
Distance between two coordinate points
I am in SS 1. I attempted an Additional Maths question on finding the distance between two
Distance formula with negative coordinates
I am in SS 1. Teach me finding the distance between two points where some coordinates are
Vertical and horizontal line equations
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on the
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat
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
Substituting values into an algebraic expression
I am in SS 1. Teach me substituting given numerical values into an algebraic expression co
Learn: Telling a rational number from an irrational one
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Final Revision: Surds that cannot be combined at all
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Learn: Simplifying root 72 into its simplest form
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Learn: Solving an equation with a single square root term
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Final Revision: Why closure is checked before any other property
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