755 prompts matching "Deciding whether a set under an operation forms a group"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Power set of a three-element set
I am in SS 1. I'm going to explain listing the full power set of a three-element set, incl
Set problem leading to a linear equation
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Logical reasoning puzzle solved using sets
I am in SS 1. I'm going to explain a short logical reasoning puzzle about groups of people
Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Finding the number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Geometric mean between two numbers
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Deriving the arithmetic series sum formula
I am in SS 1. Quiz me with 4 short Additional Maths questions on how the formula Sn = n/2
Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Comparing arithmetic and geometric growth over time
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on comp
Explaining the difference between a sequence and a series
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expl
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Alternating sequences and their pattern
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on iden
Distance between two coordinate points
I am in SS 1. I attempted an Additional Maths question on finding the distance between two
Equation of a line given gradient and one point
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Vertical and horizontal line equations
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on the
Coordinate geometry proof: isosceles triangle
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Finding the centre and radius from a circle's equation
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the centre and ra
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat