893 prompts matching "Estimating an answer by rounding each quantity first"
Explain Back: The complement of an event written as one minus p (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the complement of an event written as one minus p back to you
Spot My Mistake: The angle at the centre and the angle at the circumference (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Explain Back: A chord and the perpendicular dropped from the centre (IGCSE/WAEC Revision)
I am in SS 2. Let me explain a chord and the perpendicular dropped from the centre back to
WAEC Prep: Enlarging a shape by a scale factor
Act as my WAEC Maths exam coach. I am in SS 2. Give me a typical WAEC-style question on ho
Worked Example: Gradient of a line parallel to a given line
Act as my SS2 Maths tutor. Show me a full step-by-step worked example on how to find the g
Non-calculator paper: Finding the lowest common denominator of two algebraic fractions
I am a Year 11 pupil. Give me a Cambridge IGCSE non-calculator question on finding the low
Calculator paper: Rationalising a denominator of the form a plus root b
I am a Year 11 pupil. Set me a Cambridge IGCSE calculator-paper question on rationalising
IGCSE quiz: Listing the sample space of a simple experiment
I am a Year 11 pupil. Quiz me with five short Cambridge IGCSE-style questions on listing t
Non-calculator paper: Expected frequency over a number of trials
I am a Year 11 pupil. Give me a Cambridge IGCSE non-calculator question on expected freque
Show that, hence find: Why a large number of trials gives a better estimate
I am a Year 11 pupil. Set me a two-part Cambridge IGCSE 'show that... hence find...' quest
WAEC prep: Factorising a quadratic whose coefficient of x squared is one
Act as my WAEC Mathematics coach. I am in SS 2. Take me through factorising a quadratic wh
WAEC prep: Substituting into the quadratic formula without slips
Act as my WAEC Mathematics coach. I am in SS 2. Take me through substituting into the quad
WAEC prep: Substitution when one equation is already solved for a variable
Act as my WAEC Mathematics coach. I am in SS 2. Take me through substitution when one equa
WAEC prep: The product of perpendicular gradients being minus one
Act as my WAEC Mathematics exam coach. I am in SS 2. Show me how the product of perpendicu
WAEC Prep: Making cos A the subject of the cosine rule
Act as my WAEC Mathematics coach. I am in SS 2. Take me through making cos A the subject o
WAEC Prep: Completing the square when the leading coefficient is one
Act as my WAEC Mathematics coach. I am in SS 2. Take me through completing the square when
WAEC prep: Finding the area of a circle when the radius is a decimal
Act as my WAEC Mathematics coach. I am in SS 2. Take me through finding the area of a circ
WAEC prep: The upper class boundaries used in a cumulative table
Act as my WAEC Mathematics coach. I am in SS 2. Take me through the upper class boundaries
WAEC Prep: Why a number to the power nought is one
Act as my WAEC Mathematics coach. I am in SS 2. Take me through why a number to the power
WAEC prep: The roots as the x-intercepts of a curve
Act as my WAEC Mathematics exam coach. I am in SS 2. Show me how the roots as the x-interc