755 prompts matching "Spot my mistake in a combinatorial probability problem"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Disjoint sets and what they mean
I am in SS 1. Teach me what it means for two sets to be disjoint, giving an example and dr
Set difference A minus B
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on what
Working backwards from Venn diagram totals
I am in SS 1. I'm going to explain a Venn diagram question where I am given some regions a
Finite and infinite sets
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on the
Logical reasoning with 'and' versus 'or' in sets
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Number of elements in a set from a Venn diagram region count
I am in SS 1. I'm going to explain counting n(A only), n(B only) and n(A and B) separately
A three-region overlap problem with unknowns
I am in SS 1. Quiz me with 4 short Additional Maths questions on a Venn diagram word probl
Common mistakes with set notation
Quiz me with 4 short Additional Maths questions on the most common set notation mistakes S
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,
Finding the common difference from given terms
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
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 common ratio from given terms
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Applying the sum to infinity formula when the ratio lies between minus one and one
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
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
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
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 geometric series sum formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on how