820 prompts matching "Why a letter is used for an unknown number"
Showing only prompts that state their year. 3 more in this subject don't name one, so choose All years to see them.
Cambridge Way: Showing the solution of an inequality on a number line
I am a JSS2 pupil following the Cambridge Lower Secondary curriculum. Teach me showing the
Spot My Mistake: Three angles at a point, two of them known
Act as my JSS2 Mathematics tutor. Work a question on three angles at a point, two of them
Cambridge Way: Alternate angles, and why they are equal
I am a JSS2 pupil following the Cambridge Lower Secondary curriculum. Teach me alternate a
Spot My Mistake: One interior angle of a regular polygon
Act as my JSS2 Mathematics tutor. Work a question on one interior angle of a regular polyg
Spot My Mistake: The circumference formula that uses the diameter
Act as my JSS2 Mathematics tutor. Work a question on the circumference formula that uses t
Checkpoint Quiz: The conditions for two triangles to be congruent
I am a JSS2 pupil preparing for the Cambridge Lower Secondary Checkpoint. Quiz me with fiv
Spot My Mistake: Congruent triangles with two sides and the included angle
Act as my JSS2 Mathematics tutor. Work a question on congruent triangles with two sides an
Spot My Mistake: Translating a shape by a given vector
Act as my JSS2 Mathematics tutor. Work a question on translating a shape by a given vector
Cambridge Way: Checking whether a triangle is right-angled
I am a JSS2 pupil following the Cambridge Lower Secondary curriculum. Teach me checking wh
Explain Back: The distance between two points on a grid
I have just studied the distance between two points on a grid in my JSS2 Mathematics class
Spot My Mistake: A ladder leaning against a wall
Act as my JSS2 Mathematics tutor. Work a question on a ladder leaning against a wall with
Cambridge Way: Why the angle of elevation equals the angle of depression
I am a JSS2 pupil following the Cambridge Lower Secondary curriculum. Teach me why the ang
Checkpoint Quiz: Drawing a diagram for an elevation problem
I am a JSS2 pupil preparing for the Cambridge Lower Secondary Checkpoint. Quiz me with fiv
Spot My Mistake: The slant height in a cone's curved surface
Act as my JSS2 Mathematics tutor. Work a question on the slant height in a cone's curved s
Checkpoint Practice: What the stem and the leaf each stand for
I am a JSS2 pupil preparing for the Cambridge Lower Secondary Checkpoint. Set me practice
Cambridge Way: Making a stem-and-leaf diagram from a list
I am a JSS2 pupil following the Cambridge Lower Secondary curriculum. Teach me making a st
Spot My Mistake: Finding the median from a stem-and-leaf diagram
Act as my JSS2 Mathematics tutor. Work a question on finding the median from a stem-and-le
Explain Back: The mode of a list of numbers
I have just studied the mode of a list of numbers in my JSS2 Mathematics class. Let me exp
Spot My Mistake: A Checkpoint question on rounding to significant figures
Act as my JSS2 Mathematics tutor. Work a question on a Checkpoint question on rounding to
Spot My Mistake: A Checkpoint question with brackets and powers
Act as my JSS2 Mathematics tutor. Work a question on a Checkpoint question with brackets a