755 prompts matching "Why the probabilities in a distribution must sum to one"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Factorising by grouping four terms
I am in SS 1. Teach me factorising an expression with four terms by grouping them in pairs
Simplifying an algebraic fraction by factorising first
I am in SS 1. Teach me simplifying an algebraic fraction by factorising both the numerator
Adding two algebraic fractions with different denominators
I am in SS 1. Quiz me with 3 short Additional Maths questions on adding two algebraic frac
Solving a linear inequality and showing the solution
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Changing the subject of a simple formula
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Changing the subject when the variable appears twice
I am in SS 1. Teach me changing the subject of a formula where the required letter appears
Substituting values into an algebraic expression
I am in SS 1. Teach me substituting given numerical values into an algebraic expression co
Factorising a quadratic with a coefficient in front of x squared
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on fact
Cross-multiplying to solve an equation with fractions
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Algebraic long division of a simple polynomial by a linear factor
I am in SS 1. Quiz me with 4 short Additional Maths questions on dividing a simple cubic e
Explaining the difference between an expression and an equation
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expl
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
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
Practice: Deciding whether root 16 is rational or irrational
Act as my SS1 Further Mathematics tutor. Give me five practice questions on deciding wheth
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
Final Revision: Approximating a surd to three decimal places
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Learn: Simplifying root 72 into its simplest form
You are my personal SS1 Further Mathematics tutor. Teach me simplifying root 72 into its s
Quiz: Subtracting one surd from another
Act as my SS1 Further Mathematics tutor and quiz me on subtracting one surd from another.
Spot My Mistake: Dividing one surd by another
Act as my SS1 Further Mathematics tutor. Work a question on dividing one surd by another w
Common Mistakes: Expanding the product of two surd brackets
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on exp