401 prompts matching "A calculation from Nigerian trade done with logarithms"
Spot my mistake: Forgetting to swap the leading diagonal when inverting
Act as my SS3 Mathematics tutor. Work a question on forgetting to swap the leading diagona
Word problem: A problem in which a singular matrix leaves no solution
Act as my SS3 Mathematics tutor. Give me three word problems on a problem in which a singu
Practice set: Finding the inverse of a given 2 by 2 matrix
Act as my SS3 Mathematics tutor. Give me five practice questions on finding the inverse of
Spot my mistake: Multiplying by the inverse on the wrong side
Act as my SS3 Mathematics tutor. Work a question on multiplying by the inverse on the wron
Word problem: A two-commodity pricing problem solved by matrices
Act as my SS3 Mathematics tutor. Give me three word problems on a two-commodity pricing pr
Practice set: Cramer's rule as an alternative method
Act as my SS3 Mathematics tutor. Give me five practice questions on Cramer's rule as an al
Word problem: The path of a thrown object modelled by a quadratic
Act as my SS3 Mathematics tutor. Give me three word problems on the path of a thrown objec
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
Practice set: Solving simultaneous equations graphically
Act as my SS3 Mathematics tutor. Give me five practice questions on solving simultaneous e
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
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
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
Practice set: The mean deviation of grouped data
Act as my SS3 Mathematics tutor. Give me five practice questions on the mean deviation of
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
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
Spot my mistake: Dividing by the measured value instead of the true value
Act as my SS3 Mathematics tutor. Work a question on dividing by the measured value instead
Word problem: The error in a described market measurement
Act as my SS3 Mathematics tutor. Give me three word problems on the error in a described m
Practice set: The greatest possible error in a rounded measurement
Act as my SS3 Mathematics tutor. Give me five practice questions on the greatest possible