1,458 prompts matching "Dropping the negative sign when reversing a vector"
Explain back: Solving by elimination after multiplying one equation
I have just studied solving by elimination after multiplying one equation in my SS1 Mathem
Spot My Mistake: Simultaneous Equations (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on sol
Worked example: Solving by substitution
Act as my SS1 Mathematics tutor. Take me through one full worked example on solving by sub
IGCSE word problem: Reading a simultaneous solution off two drawn lines
I am a Year 10 pupil. Write me a real-life word problem in Cambridge IGCSE exam style that
Calculator paper: Forming a pair of equations from a word problem
I am a Year 10 pupil. Set me a Cambridge IGCSE calculator-paper question on forming a pair
Non-calculator paper: A pair of equations with no solution
I am a Year 10 pupil. Give me a Cambridge IGCSE non-calculator question on a pair of equat
Show that, hence find: Checking a solution pair in both equations
I am a Year 10 pupil. Set me a two-part Cambridge IGCSE 'show that... hence find...' quest
IGCSE Practice: Quadratic Equations (a)(b)(c)
I am a Year 10 pupil. Set me a structured Cambridge IGCSE-style question on quadratic equa
IGCSE quiz: Solving a quadratic by factorising
I am a Year 10 pupil. Quiz me with five short Cambridge IGCSE-style questions on solving a
Explain back: Solving a quadratic that is a difference of two squares
I have just studied solving a quadratic that is a difference of two squares in my SS1 Math
Spot My Mistake: Quadratic Equations (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on sol
Non-calculator paper: Forming a quadratic from a word problem
I am a Year 10 pupil. Give me a Cambridge IGCSE non-calculator question on forming a quadr
IGCSE Practice: Ordering, Rounding and Estimation (a)(b)(c)
I am a Year 10 pupil. Set me a structured Cambridge IGCSE-style question on ordering, roun
IGCSE quiz: Rounding to a given number of decimal places
I am a Year 10 pupil. Quiz me with five short Cambridge IGCSE-style questions on rounding
Worked example: Estimating an answer by rounding first
Act as my SS1 Mathematics tutor. Take me through one full worked example on estimating an
Calculator paper: Deciding on a sensible degree of accuracy
I am a Year 10 pupil. Set me a Cambridge IGCSE calculator-paper question on deciding on a
IGCSE Practice: Ratio, Proportion and Rates (a)(b)(c)
I am a Year 10 pupil. Set me a structured Cambridge IGCSE-style question on ratio, proport
IGCSE quiz: Dividing a quantity in a three-part ratio
I am a Year 10 pupil. Quiz me with five short Cambridge IGCSE-style questions on dividing
Spot My Mistake: Ratio, Proportion and Rates (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on div
IGCSE word problem: A rate as a ratio between different units
I am a Year 10 pupil. Write me a real-life word problem in Cambridge IGCSE exam style that