727 prompts matching "testing an argument for validity"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
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
Indices word problem: bacteria growth
I am in SS 1. Teach me a word problem where a quantity grows according to an index formula
Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
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
Index equation with equal exponents, unknown base
I am in SS 1. Teach me solving an equation of the form x^3 = 125 for an unknown base x the
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 surds that need simplifying first
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on addi
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
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
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
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
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
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