605 prompts matching "When to use permutations versus 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 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
Finding the nth term of a geometric sequence
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding the nth term form
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
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
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
Mixed sequence exam question, arithmetic and geometric
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
Comparing arithmetic and geometric growth over time
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on comp
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
Sum of the first n odd numbers
I am in SS 1. Quiz me with 4 short Additional Maths questions on proving and using the fac