757 prompts matching "Using a letter to stand for an unknown number"
Worked example: Finding the centre of enlargement from object and image
Act as my SS3 Mathematics tutor. Take me through one full worked example on finding the ce
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
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: The line of symmetry and the turning point
I have just studied the line of symmetry and the turning point in my SS3 Mathematics class
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
Worked example: Estimating the median from a cumulative frequency curve
Act as my SS3 Mathematics tutor. Take me through one full worked example on estimating the
Explain back: Why the absolute value is taken in mean deviation
I have just studied why the absolute value is taken in mean deviation in my SS3 Mathematic
Worked example: The mean deviation of an ungrouped data set
Act as my SS3 Mathematics tutor. Take me through one full worked example on the mean devia
WAEC pitfalls: Comparing two pie charts of different totals directly
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on compari
Explain back: Decimal places and significant figures distinguished
I have just studied decimal places and significant figures distinguished in my SS3 Mathema
WAEC pitfalls: Dropping trailing zeros that are in fact significant
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on droppin
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
WAEC pitfalls: Giving a percentage error as a negative quantity
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on giving
Practice: Solving one linear and one quadratic equation simultaneously
Act as my WAEC Maths coach. I am in SS 3. Set me practice problems on solving one linear a
WAEC pitfalls: Expanding a product of two brackets
Act as my WAEC Mathematics coach. I am in SS 3. Show me the mistake candidates most often
WAEC pitfalls: The locus of points equidistant from two intersecting lines
Act as my WAEC Mathematics coach. I am in SS 3. Show me the mistake candidates most often
WAEC pitfalls: Eliminating by adding rather than by subtracting
Act as my WAEC Mathematics coach. I am in SS 3. Show me the mistake candidates most often
WAEC pitfalls: Finding a gradient and then the equation from it
Act as my WAEC Mathematics coach. I am in SS 3. Show me the mistake candidates most often
WAEC pitfalls: The surface area of a composite solid and its hidden faces
Act as my WAEC Mathematics coach. I am in SS 3. Show me the mistake candidates most often