755 prompts matching "Practice: The compound angle formula for cosine of A minus B"
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Subtracting two algebraic fractions
I am in SS 1. I'm going to explain subtracting two algebraic fractions with different deno
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
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on repr
Solving simultaneous linear equations by elimination
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on solv
Substituting values into an algebraic expression
I am in SS 1. Teach me substituting given numerical values into an algebraic expression co
Quiz me rapid-fire on expanding and factorising
I am in SS 1. I'm going to explain a rapid-fire quiz alternating between expanding a brack
Common mistakes with composite and inverse functions
Teach me the most common mistakes SS1 students make with composite and inverse functions,
Quiz: Writing a recurring decimal as a fraction to show it is rational
Act as my SS1 Further Mathematics tutor and quiz me on writing a recurring decimal as a fr
Common Mistakes: Why a rational number added to an irrational one stays irrational
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on why
Final Revision: Approximating a surd to three decimal places
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Worked Example: What makes two surds equal
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Spot My Mistake: Why root 8 and root 2 turn out to be similar
Act as my SS1 Further Mathematics tutor. Work a question on why root 8 and root 2 turn out
Final Revision: Surds that cannot be combined at all
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Show All Working: Simplifying a surd expression that contains brackets
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on simplifying a s
Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Worked Example: Rationalising a denominator that is a single surd
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Show All Working: Checking a rationalised answer by decimal approximation
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on checking a rati
Final Revision: Checking a conjugate answer by multiplying back
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Worked Example: Squaring both sides safely when solving a surd equation
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on squari
Spot My Mistake: Solving a surd equation that leads to a quadratic
Act as my SS1 Further Mathematics tutor. Work a question on solving a surd equation that l