912 prompts matching "Dividing by the wrong number of items"
Worked Example: Finding an angle from a given area of a triangle (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
IGCSE-style question: Finding an angle of a triangle from its area
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on finding an a
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
Real-World Word Problem: Estimating the mode from a histogram (Exam Style)
I am in SS 2. Give me a real-world word problem on estimating the mode from a histogram, s
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
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
IGCSE word problem: Multiplying two algebraic fractions together
I am a Year 11 pupil. Write me a real-life word problem in Cambridge IGCSE exam style that
Worked example: Multiplying two surds together
Act as my SS2 Mathematics tutor. Take me through one full worked example on multiplying tw
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
Spot my mistake: The one-third base area times height formula
Act as my SS2 Mathematics tutor. Work a question on the one-third base area times height f
Real-life problem: The sine ratio as opposite over hypotenuse
Act as my SS2 Mathematics tutor. Show me where the sine ratio as opposite over hypotenuse
Learn: Choosing the axes and scales for a scatter diagram
You are my personal SS2 Mathematics tutor. Teach me choosing the axes and scales for a sca
Spot my mistake: Filling a three-set diagram starting from the centre
Act as my SS2 Mathematics tutor. Work a question on filling a three-set diagram starting f
Spot my mistake: Showing probabilities rather than counts in a Venn diagram
Act as my SS2 Mathematics tutor. Work a question on showing probabilities rather than coun
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
Learn: What the perpendicular distance means geometrically
You are my personal SS2 Mathematics tutor. Teach me what the perpendicular distance means
Learn: The complement, and the universal set it needs
You are my personal SS2 Mathematics tutor. Teach me the complement, and the universal set
Worked example: Making one variable the subject before substituting
Act as my SS2 Mathematics tutor. Take me through one full worked example on making one var
Real-life problem: The cross-sectional area times length formula
Act as my SS2 Mathematics tutor. Show me where the cross-sectional area times length formu