753 prompts matching "IGCSE-style teach me: Subtracting one vector from another"
Spot my mistake: Reading the intersection off the wrong axis
Act as my SS3 Mathematics tutor. Work a question on reading the intersection off the wrong
Worked example: Solving a quadratic graphically by adding a straight line
Act as my SS3 Mathematics tutor. Take me through one full worked example on solving a quad
Practice set: Solving simultaneous equations graphically
Act as my SS3 Mathematics tutor. Give me five practice questions on solving simultaneous e
Explain back: Shading the feasible region on a graph
I have just studied shading the feasible region on a graph in my SS3 Mathematics class. Le
Spot my mistake: Shading the wrong side of a boundary line
Act as my SS3 Mathematics tutor. Work a question on shading the wrong side of a boundary l
Worked example: Testing the vertices of the feasible region
Act as my SS3 Mathematics tutor. Take me through one full worked example on testing the ve
Practice set: Finding the maximum of an objective function
Act as my SS3 Mathematics tutor. Give me five practice questions on finding the maximum of
Explain back: Plotting a cumulative frequency curve at the upper class boundaries
I have just studied plotting a cumulative frequency curve at the upper class boundaries in
Spot my mistake: Plotting cumulative frequency at the class midpoint
Act as my SS3 Mathematics tutor. Work a question on plotting cumulative frequency at the c
Spot my mistake: Letting positive and negative deviations cancel
Act as my SS3 Mathematics tutor. Work a question on letting positive and negative deviatio
Explain back: Drawing a bar chart with equal bar widths
I have just studied drawing a bar chart with equal bar widths in my SS3 Mathematics class.
Spot my mistake: Drawing sector angles that do not total 360 degrees
Act as my SS3 Mathematics tutor. Work a question on drawing sector angles that do not tota
Practice set: Converting between a pie chart and a bar chart
Act as my SS3 Mathematics tutor. Give me five practice questions on converting between a p
Explain back: Decimal places and significant figures distinguished
I have just studied decimal places and significant figures distinguished in my SS3 Mathema
Worked example: Rounding a number whose leading digits are zeros
Act as my SS3 Mathematics tutor. Take me through one full worked example on rounding a num
Practice set: Estimating an answer by rounding each quantity first
Act as my SS3 Mathematics tutor. Give me five practice questions on estimating an answer b
Explain back: Why percentage error is more useful than absolute error
I have just studied why percentage error is more useful than absolute error in my SS3 Math
Worked example: The percentage error left by a rounded calculation
Act as my SS3 Mathematics tutor. Take me through one full worked example on the percentage
Spot my mistake: Applying the simple interest formula to a compound problem
Act as my SS3 Mathematics tutor. Work a question on applying the simple interest formula t
Worked example: Compound interest worked year by year and then by formula
Act as my SS3 Mathematics tutor. Take me through one full worked example on compound inter