912 prompts matching "Treating an implication as though it worked both ways"
Spot My Mistake: The mean by the assumed mean method (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: The standard deviation of ungrouped data (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Worked Example: The class boundaries used in a histogram (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Teach me (Cambridge style): A conditional probability problem in a Nigerian setting
I am a Year 11 pupil following the Cambridge syllabus. Teach me a conditional probability
Quiz Me: Exam Prep on Circle Theorems and Pythagoras' Theorem
I am a Year 11 pupil. Quiz me on circle theorems and Pythagoras' theorem with a mix of Cam
Worked Example: Pythagoras used inside a circle problem (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Spot My Mistake: Cancelling an algebraic fraction only after both parts are factorised (IGCSE)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
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
Practice: Why multiplying by a negative reverses an inequality
Act as my SS2 Mathematics tutor. Give me five practice questions on why multiplying by a n
WAEC prep: Choosing the letter, and saying what it stands for
Act as my WAEC Mathematics exam coach. I am in SS 2. Show me how choosing the letter, and
Real-life problem: Why opposite angles of a cyclic quadrilateral are supplementary
Act as my SS2 Mathematics tutor. Show me where why opposite angles of a cyclic quadrilater
Practice: Substituting a, b and c into the quadratic formula
Act as my SS2 Mathematics tutor. Give me five practice questions on substituting a, b and
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
Practice: Writing a large number in standard form
Act as my SS2 Mathematics tutor. Give me five practice questions on writing a large number
WAEC prep: What fg of x means, and the order it is applied in
Act as my WAEC Mathematics exam coach. I am in SS 2. Show me how what fg of x means, and t
Learn: The gradient of a distance-time graph as speed
You are my personal SS2 Mathematics tutor. Teach me the gradient of a distance-time graph
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: Reading f of x aloud, and what it means
Act as my WAEC Mathematics coach. I am in SS 2. Take me through reading f of x aloud, and
Learn: What the angle of elevation is measured from
You are my personal SS2 Mathematics tutor. Teach me what the angle of elevation is measure
WAEC Prep: The area of a sector from its angle and radius
Act as my WAEC Mathematics coach. I am in SS 2. Take me through the area of a sector from