625 prompts matching "Show that, hence find: Checking whether a calculated answer is reasonable"
Spot my mistake: Subtracting the position vectors in the wrong order
Act as my SS3 Mathematics tutor. Work a question on subtracting the position vectors in th
WAEC pitfalls: Confusing a position vector with a displacement vector
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on confusi
Real-life Nigeria: The centroid of a triangle found from its vertices
Act as my SS3 Mathematics tutor. Show me where the centroid of a triangle found from its v
Spot my mistake: Adding the column vector to the wrong coordinate
Act as my SS3 Mathematics tutor. Work a question on adding the column vector to the wrong
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
Real-life Nigeria: Translation in a pattern or tiling design
Act as my SS3 Mathematics tutor. Show me where translation in a pattern or tiling design t
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
Real-life Nigeria: The lines of symmetry of a described figure
Act as my SS3 Mathematics tutor. Show me where the lines of symmetry of a described figure
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
WAEC pitfalls: Assuming a positive angle of rotation means clockwise
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on assumin
Real-life Nigeria: Rotational symmetry and its order
Act as my SS3 Mathematics tutor. Show me where rotational symmetry and its order turns up
Spot my mistake: Measuring the scale factor from the wrong centre
Act as my SS3 Mathematics tutor. Work a question on measuring the scale factor from the wr
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
Real-life Nigeria: Scale drawings and the scales printed on maps
Act as my SS3 Mathematics tutor. Show me where scale drawings and the scales printed on ma
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
Real-life Nigeria: The identity matrix, and what it does
Act as my SS3 Mathematics tutor. Show me where the identity matrix, and what it does turns
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