755 prompts matching "Teach me mean, variance and standard deviation"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Finding which term of a sequence equals a given value
I am in SS 1. Teach me finding which term number in an arithmetic or geometric sequence is
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
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Sequences applied to simple interest vs compound interest
I am in SS 1. Teach me how simple interest over time behaves like an arithmetic sequence w
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
Distance formula with negative coordinates
I am in SS 1. Teach me finding the distance between two points where some coordinates are
Gradient from a linear equation
I am in SS 1. I'm going to explain finding the gradient and y-intercept of a line directly
Condition for two lines to be parallel
I am in SS 1. Teach me the condition for two lines to be parallel, and using it to find th
Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Sketching a straight line from its equation
I am in SS 1. Teach me sketching the graph of a straight line given its equation, correctl
Finding the equation of a line parallel to the x-axis or y-axis through a point
I am in SS 1. I'm going to explain finding the equation of a line through a given point th
Gradient as a rate of change interpretation
I am in SS 1. I'm going to explain interpreting the gradient of a straight-line graph as a
Perpendicular from a point to a line
I am in SS 1. Teach me finding the equation of the line through a given point that is perp
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
Subtracting two algebraic fractions
I am in SS 1. I'm going to explain subtracting two algebraic fractions with different deno
Simplifying a complex algebraic fraction
I am in SS 1. Teach me simplifying a 'fraction within a fraction' algebraic expression by
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
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