1,482 prompts matching "Deriving the sum formula for a geometric progression"
Explain Back: Solving a linear inequality with the unknown on both sides (IGCSE/WAEC Revision)
I am in SS 1. Let me explain solving a linear inequality with the unknown on both sides ba
Teach me (Cambridge style): Representing the solution of an inequality on a number line
I am a Year 10 pupil following the Cambridge syllabus. Teach me representing the solution
Worked Example: Using exact ratios to leave an answer in surd form (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Spot My Mistake: Adding the base circle to the curved surface of a cone (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Teach me (Cambridge style): The volume and surface area of a hemisphere
I am a Year 10 pupil following the Cambridge syllabus. Teach me the volume and surface are
Spot My Mistake: The surface area of a sphere as four pi r squared (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: The flat circular face counted in a hemisphere's surface area (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Teach Me (Cambridge Style): The length of an arc left in terms of pi
I am in SS 1. Teach me the length of an arc left in terms of pi the way it would be explai
Spot My Mistake: The area of a sector left in terms of pi (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: The perimeter of a sector, the two radii included (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: Finding the radius from an arc length and its angle (IGCSE/WAEC Revision)
I am in SS 1. Let me explain finding the radius from an arc length and its angle back to y
Spot My Mistake: Subtracting the small cone to leave the volume of a frustum (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: The sloping face of a frustum, and its area (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: Adding both circular ends to the sloping face of a frustum (IGCSE/WAEC Revision)
I am in SS 1. Let me explain adding both circular ends to the sloping face of a frustum ba
Explain Back: The surface area of a composite solid (IGCSE/WAEC Revision)
I am in SS 1. Let me explain the surface area of a composite solid back to you in my own w
Explain Back: The product of the gradients of two perpendicular lines (IGCSE/WAEC Revision)
I am in SS 1. Let me explain the product of the gradients of two perpendicular lines back
Teach me (Cambridge style): Deciding whether two lines are perpendicular from their equations
I am a Year 10 pupil following the Cambridge syllabus. Teach me deciding whether two lines
Teach me (Cambridge style): Which of the three averages suits a given set best
I am a Year 10 pupil following the Cambridge syllabus. Teach me which of the three average
Spot My Mistake: The median of an ordered list of values (IGCSE Marking)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: The mode of a list of values (Show That / Hence Find)
I am in SS 1. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa