912 prompts matching "Choosing the right form of the sum formula for r above or below 1"
Worked Example: Drawing the cumulative frequency curve (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
WAEC past-question style: Completing a two-way table before reading a probability
Act as my WAEC Mathematics coach. I am in SS 2. Write me a question on completing a two-wa
Teach Me (Cambridge Style): The angle in a semicircle
I am in SS 2. Teach me the angle in a semicircle the way it would be explained for Cambrid
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
Teach me the IGCSE way: Simplifying an algebraic fraction by factorising top and bottom
I am a Year 11 pupil. Teach me simplifying an algebraic fraction by factorising top and bo
Calculator paper: Dividing one algebraic fraction by another
I am a Year 11 pupil. Set me a Cambridge IGCSE calculator-paper question on dividing one a
Teach me the IGCSE way: What a surd is, and which roots are irrational
I am a Year 11 pupil. Teach me what a surd is, and which roots are irrational the way a Ca
Worked example: Multiplying two surds together
Act as my SS2 Mathematics tutor. Take me through one full worked example on multiplying tw
Teach me the IGCSE way: Probability as a number between nought and one
I am a Year 11 pupil. Teach me probability as a number between nought and one the way a Ca
Calculator paper: Mutually exclusive events, and adding their probabilities
I am a Year 11 pupil. Set me a Cambridge IGCSE calculator-paper question on mutually exclu
Worked example: Why the second probability changes when there is no replacement
Act as my SS2 Mathematics tutor. Take me through one full worked example on why the second
Explain back: Rearranging the sine rule to make the angle the subject
I have just studied rearranging the sine rule to make the angle the subject in my SS2 Math
Worked example: The open and filled circle conventions
Act as my SS2 Mathematics tutor. Take me through one full worked example on the open and f
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: 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
Explain back: The curved surface as an unrolled rectangle
I have just studied the curved surface as an unrolled rectangle in my SS2 Mathematics clas
WAEC prep: Estimating the quartiles from a cumulative frequency curve
Act as my WAEC Mathematics coach. I am in SS 2. Take me through estimating the quartiles f
Explain back: The first term and the common difference
I have just studied the first term and the common difference in my SS2 Mathematics class.
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