755 prompts matching "Arrangements in which two particular objects must be kept apart"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
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
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
Zero index rule
I am in SS 1. I'm going to explain the zero index rule, showing why any nonzero number rai
Solving index equations with matching bases
I am in SS 1. I'm going to explain solving an index equation by rewriting both sides with
Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
Evaluating (1/2)^-3 without a calculator
I am in SS 1. I attempted an Additional Maths question on evaluating (1/2)^-3 fully withou
Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Adding and subtracting like surds
I am in SS 1. I'm going to explain adding and subtracting surds that share the same irrati
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
Surd answers in area and perimeter questions
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a me
Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Rationalising and then simplifying fully
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a tw
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
Simplifying nested surds
I am in SS 1. I'm going to explain simplifying an expression containing a surd within a su
Rationalising a denominator with three surd terms
I am in SS 1. I'm going to explain rationalising a more unusual denominator involving more
Surds in a coordinate geometry distance calculation
I am in SS 1. Teach me a coordinate geometry question where applying the distance formula
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
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
Interpreting neither-nor in a Venn diagram problem
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi