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.
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
Surds in a coordinate geometry distance calculation
I am in SS 1. Teach me a coordinate geometry question where applying the distance formula
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
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
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 theory laws: commutative and associative
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on the
Reviewing set theory before a class test
I am in SS 1. Quiz me with 3 short Additional Maths questions on a structured review of ev
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,
Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
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 number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Mixed sequence exam question, arithmetic and geometric
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Deriving the arithmetic series sum formula
I am in SS 1. Quiz me with 4 short Additional Maths questions on how the formula Sn = n/2
Deriving the geometric series sum formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on how
Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Finding the first term or common difference from the sum formula
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on rear
Quiz me rapid-fire on nth term formulas
I am in SS 1. I attempted an Additional Maths question on a rapid quiz where I am given a
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Multi-part progression problem with an unknown first term
I am in SS 1. Quiz me with 5 short Additional Maths questions on a multi-part question whe
Explaining why sum to infinity only works for |r| < 1
I am in SS 1. Quiz me with 5 short Additional Maths questions on explaining, using a numer