685 prompts matching "permutations and combinations"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Finding the common ratio from given terms
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Deciding whether a geometric series converges
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Recognising arithmetic vs geometric sequences
I am in SS 1. Teach me how to tell from a list of numbers whether a sequence is arithmetic
Arithmetic mean between two numbers
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the arithmetic me
Geometric mean between two numbers
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Word problem: arithmetic sequence in a savings context
I am in SS 1. Teach me a real-life word problem modelled by an arithmetic sequence, such a
Word problem: geometric sequence in a growth context
I am in SS 1. Quiz me with 3 short Additional Maths questions on a real-life word problem
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Sigma notation for a sum
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on read
Solving for x when three terms are in arithmetic progression
I am in SS 1. I attempted an Additional Maths question on finding the value of x given tha
Solving for x when three terms are in geometric progression
I am in SS 1. Teach me finding the value of x given that three algebraic expressions in x
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
Deriving the geometric series sum formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on how
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
Finding the first term or common difference from the sum formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on rear
Sequences given by a recurrence relation
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Sum of a geometric series with a negative common ratio
I am in SS 1. Teach me finding the sum of a geometric series where the common ratio is neg
Word problem: total distance from a bouncing ball
I am in SS 1. Quiz me with 3 short Additional Maths questions on a classic word problem wh
Finding which term of a sequence equals a given value
I am in SS 1. Teach me finding which term number in an arithmetic or geometric sequence is