584 prompts matching "Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted"
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Evaluating (1/2)^-3 without a calculator
I am in SS 1. I attempted an Additional Maths question on evaluating (1/2)^-3 fully withou
Index equation with equal exponents, unknown base
I am in SS 1. Teach me solving an equation of the form x^3 = 125 for an unknown base x the
Explaining why a^1/n means the nth root of a
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expl
Multi-part index exam question with a real context
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Simplifying a surd by extracting square factors
I am in SS 1. Quiz me with 5 short Additional Maths questions on simplifying a surd by ext
Multiplying a surd by an integer
I am in SS 1. Teach me multiplying a surd by a whole number, such as 4 times root 5, and s
Rationalising a denominator with a single surd
I am in SS 1. Quiz me with 4 short Additional Maths questions on rationalising a denominat
Simplifying a fraction with a surd numerator
I am in SS 1. Teach me simplifying a fraction where the numerator contains a surd, such as
Explaining why we rationalise denominators
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Sequences given by a recurrence relation
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Sum of a geometric series with a negative common ratio
I am in SS 1. Teach me finding the sum of a geometric series where the common ratio is neg
Sum of a series expressed with algebraic terms
I am in SS 1. Teach me finding the sum of the first n terms of a series where each term is
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 formula with negative coordinates
I am in SS 1. Teach me finding the distance between two points where some coordinates are
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
Simplifying expressions with like and unlike terms
I am in SS 1. Teach me correctly identifying and collecting like terms in a longer algebra
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
Common mistakes with composite and inverse functions
Teach me the most common mistakes SS1 students make with composite and inverse functions,