1,483 prompts matching "IGCSE practice: Extrapolation beyond the data, and why it is risky"
Word problem: The bi-conditional
Act as my SS1 Mathematics tutor. Give me three word problems on the bi-conditional, set in
Quiz me: The truth table for negation
Act as my SS1 Mathematics tutor and quiz me on the truth table for negation. Ask five ques
Worked example: A tautology and a contradiction
Act as my SS1 Mathematics tutor. Take me through one full worked example on a tautology an
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
Quiz me: Making a letter the subject by one inverse operation
Act as my SS1 Mathematics tutor and quiz me on making a letter the subject by one inverse
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
Word problem: Substituting after rearranging, rather than before
Act as my SS1 Mathematics tutor. Give me three word problems on substituting after rearran
Teach me: Direct variation and its constant
You are my personal SS1 Mathematics tutor. Teach me direct variation and its constant, wor
Quiz me: Inverse variation and its constant
Act as my SS1 Mathematics tutor and quiz me on inverse variation and its constant. Ask fiv
Explain back: Partial variation and its fixed part
I have just studied partial variation and its fixed part in my SS1 Mathematics class. Let
Spot my mistake: Finding the constant from one pair of values
Act as my SS1 Mathematics tutor. Work a question on finding the constant from one pair of
Word problem: Recognising the type of variation from a table
Act as my SS1 Mathematics tutor. Give me three word problems on recognising the type of va
Quiz me: Factorising when the coefficient of x squared is one
Act as my SS1 Mathematics tutor and quiz me on factorising when the coefficient of x squar
Quiz me: Writing a quadratic in the form (x + a) squared plus b
Act as my SS1 Mathematics tutor and quiz me on writing a quadratic in the form (x + a) squ
Spot my mistake: Deriving the quadratic formula
Act as my SS1 Mathematics tutor. Work a question on deriving the quadratic formula with on
WAEC pitfalls: Dropping the plus-or-minus from the formula
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on droppin
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
WAEC pitfalls: Joining the points of a parabola with straight lines
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on joining
Teach me: The arc as a fraction of the circumference
You are my personal SS1 Mathematics tutor. Teach me the arc as a fraction of the circumfer
Spot my mistake: The arc length left out of a sector's perimeter
Act as my SS1 Mathematics tutor. Work a question on the arc length left out of a sector's