1,483 prompts matching "Why replacement leaves the probability unchanged on each draw"
Calculator paper: Rewriting a negative index as a positive one
I am a Year 10 pupil. Set me a Cambridge IGCSE calculator-paper question on rewriting a ne
Non-calculator paper: A fractional index read as a root
I am a Year 10 pupil. Give me a Cambridge IGCSE non-calculator question on a fractional in
Explain back: Converting between hours, minutes and seconds
I have just studied converting between hours, minutes and seconds in my SS1 Mathematics cl
Worked example: Working out a duration from a start and finish time
Act as my SS1 Mathematics tutor. Take me through one full worked example on working out a
IGCSE Practice: Fractions, Decimals and Percentages (a)(b)(c)
I am a Year 10 pupil. Set me a structured Cambridge IGCSE-style question on fractions, dec
Explain back: Converting between a fraction and a percentage
I have just studied converting between a fraction and a percentage in my SS1 Mathematics c
Spot My Mistake: Fractions, Decimals and Percentages (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on ord
Worked example: Ordering a mixed list of fractions, decimals and percentages
Act as my SS1 Mathematics tutor. Take me through one full worked example on ordering a mix
IGCSE word problem: Adding and subtracting fractions with unlike denominators
I am a Year 10 pupil. Write me a real-life word problem in Cambridge IGCSE exam style that
IGCSE Practice: Percentages in Context (a)(b)(c)
I am a Year 10 pupil. Set me a structured Cambridge IGCSE-style question on percentages in
Spot My Mistake: Percentages in Context (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on per
Worked example: Finding the original amount after a percentage change
Act as my SS1 Mathematics tutor. Take me through one full worked example on finding the or
Calculator paper: Simple interest on a Nigerian savings account
I am a Year 10 pupil. Set me a Cambridge IGCSE calculator-paper question on simple interes
Non-calculator paper: Compound interest over several years
I am a Year 10 pupil. Give me a Cambridge IGCSE non-calculator question on compound intere
IGCSE Practice: Introduction to Algebra (a)(b)(c)
I am a Year 10 pupil. Set me a structured Cambridge IGCSE-style question on introduction t
Explain back: Substituting numbers into an expression
I have just studied substituting numbers into an expression in my SS1 Mathematics class. L
Spot My Mistake: Introduction to Algebra (IGCSE)
I am a Year 10 pupil. I'll show you my working for a Cambridge IGCSE-style question on col
Worked example: Writing an expression from a described situation
Act as my SS1 Mathematics tutor. Take me through one full worked example on writing an exp
Calculator paper: Factorising by taking out a common factor
I am a Year 10 pupil. Set me a Cambridge IGCSE calculator-paper question on factorising by
IGCSE Practice: Algebraic Manipulation (a)(b)(c)
I am a Year 10 pupil. Set me a structured Cambridge IGCSE-style question on algebraic mani