1,447 prompts matching "Estimating an answer by rounding each quantity first"
IGCSE Maths Y10: Deciding what kind of sequence has been given — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Set me a question on deciding wha
IGCSE Maths Y10: Solving a quadratic inequality — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Work a question on solving a quad
IGCSE Maths Y10: Shading the region a linear inequality describes — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Set me a question on shading the
IGCSE Maths Y10: Finding the inverse of a function — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Work a question on finding the in
IGCSE Maths Y10: Solving f of x equals nought — Show All Working
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Set me a question on solving f of
IGCSE Maths Y10: A composite function in a real situation — Exam Technique
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Show me how to handle a composite
Let me explain: Converting a base ten number to base six
I just studied converting a base ten number to base six in my SS1 Maths class. Let me expl
Spot my mistake: Adding two numbers in base two
Act as my SS1 Maths tutor. I'll show you my working for a question on adding two numbers i
Worked example: Setting out a long multiplication in base eight
Act as my SS1 Mathematics tutor. Take me through one full worked example on setting out a
Spot my mistake: The multiplication law of indices
Act as my SS1 Maths tutor. I'll show you my working for a question on the multiplication l
Worked example: Why a zero index gives one, derived from the division law
Act as my SS1 Mathematics tutor. Take me through one full worked example on why a zero ind
Let me explain: Writing expressions using positive indices
I just studied writing expressions using positive indices only in my SS1 Maths class. Let
Let me explain: Using logarithm tables to multiply two numbers
I just studied using logarithm tables to multiply two numbers in my SS1 Maths class. Let m
Spot my mistake: Using logarithm tables to divide two numbers
Act as my SS1 Maths tutor. I'll show you my working for a question on using logarithm tabl
Worked example: Finding a square root using logarithms
Act as my SS1 Mathematics tutor. Take me through one full worked example on finding a squa
Spot my mistake: Comparing two ratios
Act as my SS1 Maths tutor. I'll show you my working for a question on comparing two ratios
Let me explain: Calculating the Value Added Tax (VAT) payable
I just studied calculating the Value Added Tax (VAT) payable on goods bought in a Nigerian
Worked example: Subtracting algebraic fractions using the lowest common multiple
Act as my SS1 Mathematics tutor. Take me through one full worked example on subtracting al
Spot my mistake: Describing a set using set-builder notation
Act as my SS1 Maths tutor. I'll show you my working for a question on describing a set usi
Worked example: Listing all the subsets of a small set
Act as my SS1 Mathematics tutor. Take me through one full worked example on listing all th