755 prompts matching "Teach me the number of arrangements of n distinct objects"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Solving a simple surd equation
I am in SS 1. Teach me solving a surd equation, such as solving root(x + 4) = 3, and check
Show all working: full surd simplification exam question
I am in SS 1. Teach me a structured exam question requiring simplification, then rationali
Explaining why we rationalise denominators
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
Rationalising a denominator with three surd terms
I am in SS 1. I'm going to explain rationalising a more unusual denominator involving more
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
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 a missing intersection from set sizes
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Set-builder notation basics
I am in SS 1. I'm going to explain reading and writing sets using set-builder notation, su
Proper subsets versus subsets
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Survey word problem using a three-set Venn diagram
I am in SS 1. Quiz me with 5 short Additional Maths questions on a WAEC-style survey word
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
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
Set operations exam question, multi-part
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a st
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
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