459 prompts matching "proving a statement is a tautology"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Three-set Venn diagram word problem
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Finding n(A union B) using the formula
I am in SS 1. Quiz me with 5 short Additional Maths questions on using the formula n(A uni
Set-builder notation basics
I am in SS 1. I'm going to explain reading and writing sets using set-builder notation, su
Subsets of a given set
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on list
Survey word problem using a two-set Venn diagram
I am in SS 1. Teach me a classic survey word problem, such as a group of students where so
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
Universal set and its role in set problems
I am in SS 1. Teach me what a universal set is and how it affects the answer to complement
Empty set and its notation
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on what
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
Set operations exam question, multi-part
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a st
Explaining Venn diagram vocabulary in my own words
I am in SS 1. Teach me the key vocabulary of Venn diagrams and set notation such as univer
Sets applied to a school subject survey
Teach me a realistic Nigerian secondary school context question, such as a survey of SS1 s
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
De Morgan's laws for sets
I am in SS 1. Teach me De Morgan's laws for sets, (A union B)' = A' intersection B' and (A
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
Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
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