869 prompts matching "WAEC past questions: Why casting out nines catches some errors and not others"
Explain Back: Multiplying two algebraic fractions (IGCSE/WAEC Revision)
I am in SS 2. Let me explain multiplying two algebraic fractions back to you in my own wor
Explain Back: A triangle where the sine rule gives two possible angles (IGCSE/WAEC Revision)
I am in SS 2. Let me explain a triangle where the sine rule gives two possible angles back
Explain Back: Finding an angle with the cosine rule (IGCSE/WAEC Revision)
I am in SS 2. Let me explain finding an angle with the cosine rule back to you in my own w
Explain Back: The area of a triangle when all three sides are known (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the area of a triangle when all three sides are known back to
Explain Back: The angle between two planes (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the angle between two planes back to you in my own words, as
Explain Back: The volume of a cylinder left in terms of pi (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the volume of a cylinder left in terms of pi back to you in m
Explain Back: The equation of a line in the form ax plus by plus c equals nought (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the equation of a line in the form ax plus by plus c equals n
Explain Back: Estimating the median by interpolation (IGCSE/WAEC Revision)
I am in SS 2. Let me explain estimating the median by interpolation back to you in my own
Explain Back: The standard deviation of grouped data using class midpoints (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the standard deviation of grouped data using class midpoints
Explain Back: The modal class read off a histogram (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the modal class read off a histogram back to you in my own wo
Explain Back: The median read off an ogive (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the median read off an ogive back to you in my own words, as
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
Explain Back: Multiplying the probabilities of two independent events (IGCSE/WAEC Revision)
I am in SS 2. Let me explain multiplying the probabilities of two independent events back
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-style revision: trigonometry basics
I am an SS2 student preparing for WAEC Mathematics. Explain sine, cosine, and tangent usin
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
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
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: Solving simple linear equations
Act as my WAEC Maths exam coach. I am in SS 2. Explain the WAEC-approved method for how to