507 prompts matching "Showing that a statement is a contradiction"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d
Surds combined with algebraic terms
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on simp
Show all working: full surd simplification exam question
I am in SS 1. Teach me a structured exam question requiring simplification, then rationali
Surds in trigonometric exact values
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on why
Simplifying nested surds
I am in SS 1. I'm going to explain simplifying an expression containing a surd within a su
Quiz me on quick surd simplifications
I am in SS 1. Teach me a rapid-fire set of surd simplification questions typical of the no
Reviewing every surd rule before a test
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a st
Simplifying a surd expression before squaring
I am in SS 1. I attempted an Additional Maths question on why it matters to simplify a sur
Reading and writing set notation
I am in SS 1. Teach me reading and writing basic set notation, such as element-of, subset-
Union and intersection of two number sets
I am in SS 1. I'm going to explain finding the union and intersection of two given sets of
Complement of a set within a universal set
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Drawing a two-set Venn diagram from data
I am in SS 1. I attempted an Additional Maths question on drawing a Venn diagram for two o
Reading values off a completed Venn diagram
I am in SS 1. Teach me reading and interpreting information from a completed two-set Venn
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