757 prompts matching "Teach me again: Judging whether a calculated answer is reasonable"
WAEC pitfalls: Dropping the negative sign when reversing a vector
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on droppin
Explain back: Why translation preserves both shape and size
I have just studied why translation preserves both shape and size in my SS3 Mathematics cl
WAEC pitfalls: Writing a column vector with its components reversed
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on writing
Explain back: Reflecting a point in the line y equals x
I have just studied reflecting a point in the line y equals x in my SS3 Mathematics class.
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
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
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
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
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
WAEC pitfalls: Joining the plotted points of a curve with straight lines
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on joining
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
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
WAEC pitfalls: Ignoring the non-negativity constraints
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on ignorin
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
WAEC pitfalls: Dividing by the wrong number of items
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on dividin
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.