1,478 prompts matching "IGCSE practice: Finding the circumference from the diameter"
Explain back: Disjunction, and the inclusive sense of or
I have just studied disjunction, and the inclusive sense of or in my SS1 Mathematics class
Worked example: The converse, inverse and contrapositive
Act as my SS1 Mathematics tutor. Take me through one full worked example on the converse,
Word problem: The bi-conditional
Act as my SS1 Mathematics tutor. Give me three word problems on the bi-conditional, set in
Explain back: The truth table for an implication
I have just studied the truth table for an implication in my SS1 Mathematics class. Let me
Teach me: What changing the subject of a formula means
You are my personal SS1 Mathematics tutor. Teach me what changing the subject of a formula
Explain back: Changing the subject when the letter is in a denominator
I have just studied changing the subject when the letter is in a denominator in my SS1 Mat
Spot my mistake: Changing the subject when the letter is under a root
Act as my SS1 Mathematics tutor. Work a question on changing the subject when the letter i
Worked example: Changing the subject when the letter occurs on both sides
Act as my SS1 Mathematics tutor. Take me through one full worked example on changing the s
Word problem: Substituting after rearranging, rather than before
Act as my SS1 Mathematics tutor. Give me three word problems on substituting after rearran
Worked example: Using the constant to predict a further value
Act as my SS1 Mathematics tutor. Take me through one full worked example on using the cons
WAEC pitfalls: Cancelling a factor containing the unknown and losing a root
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on cancell
Teach me: Why completing the square works
You are my personal SS1 Mathematics tutor. Teach me why completing the square works, worki
Spot my mistake: Deriving the quadratic formula
Act as my SS1 Mathematics tutor. Work a question on deriving the quadratic formula with on
Worked example: Substituting into the quadratic formula carefully
Act as my SS1 Mathematics tutor. Take me through one full worked example on substituting i
Word problem: The discriminant and the number of roots it predicts
Act as my SS1 Mathematics tutor. Give me three word problems on the discriminant and the n
Exam timing: A timed set of formula and completing-the-square questions
Act as my SS1 Mathematics tutor. Set me a timed run of questions on a timed set of formula
Teach me: The parabola and which way it opens
You are my personal SS1 Mathematics tutor. Teach me the parabola and which way it opens, w
Explain back: Reading the roots off the graph
I have just studied reading the roots off the graph in my SS1 Mathematics class. Let me ex
Spot my mistake: Whether a parabola has a maximum or a minimum
Act as my SS1 Mathematics tutor. Work a question on whether a parabola has a maximum or a
Worked example: Solving a related equation by adding a line to the graph
Act as my SS1 Mathematics tutor. Take me through one full worked example on solving a rela