755 prompts matching "IGCSE-style teach me: A straight-line angle problem written with algebra"
Spot my mistake: Reflecting in an axis but keeping the original sign
Act as my SS3 Mathematics tutor. Work a question on reflecting in an axis but keeping the
WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on reflect
Explain back: Rotating a point 180 degrees about the origin
I have just studied rotating a point 180 degrees about the origin in my SS3 Mathematics cl
Spot my mistake: Rotating clockwise when the question says anticlockwise
Act as my SS3 Mathematics tutor. Work a question on rotating clockwise when the question s
Explain back: What a fractional scale factor does to a shape
I have just studied what a fractional scale factor does to a shape in my SS3 Mathematics c
WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on assumin
Explain back: When two matrices can be multiplied at all
I have just studied when two matrices can be multiplied at all in my SS3 Mathematics class
Spot my mistake: Multiplying matrices whose orders do not match
Act as my SS3 Mathematics tutor. Work a question on multiplying matrices whose orders do n
WAEC pitfalls: Assuming matrix multiplication is commutative
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on assumin
Explain back: The inverse of a 2 by 2 matrix and the formula for it
I have just studied the inverse of a 2 by 2 matrix and the formula for it in my SS3 Mathem
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
WAEC pitfalls: Dividing by a determinant of zero
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on dividin
Explain back: Solving by multiplying through by the inverse matrix
I have just studied solving by multiplying through by the inverse matrix in my SS3 Mathema
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
WAEC pitfalls: Writing the coefficients out of order in the matrix
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on writing
Spot my mistake: Plotting a point from the wrong row of the table
Act as my SS3 Mathematics tutor. Work a question on plotting a point from the wrong row of
Explain back: Rearranging an equation so it can be solved from a drawn curve
I have just studied rearranging an equation so it can be solved from a drawn curve in my S
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
WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on giving
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