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.
Rationalising a more complex conjugate denominator
I am in SS 1. I attempted an Additional Maths question on rationalising a fraction with a
Surds arising from Pythagoras' theorem
I am in SS 1. Quiz me with 4 short Additional Maths questions on a Pythagoras' theorem que
Distinguishing rational and irrational numbers
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Rationalising and then simplifying fully
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a tw
Solving a surd equation that gives an extraneous root
I am in SS 1. Quiz me with 3 short Additional Maths questions on solving a surd equation s
Explaining why we rationalise denominators
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Common surd mistakes to watch out for
Quiz me with 4 short Additional Maths questions on the most common mistakes SS1 Further Ma
Rationalising a denominator with three surd terms
I am in SS 1. I'm going to explain rationalising a more unusual denominator involving more
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
Common mistakes with set notation
Quiz me with 4 short Additional Maths questions on the most common set notation mistakes S
Distributive law for sets
I am in SS 1. I attempted an Additional Maths question on the distributive law connecting
Recognising arithmetic vs geometric sequences
I am in SS 1. Teach me how to tell from a list of numbers whether a sequence is arithmetic
Word problem: total distance from a bouncing ball
I am in SS 1. Quiz me with 3 short Additional Maths questions on a classic word problem wh
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Distance between two coordinate points
I am in SS 1. I attempted an Additional Maths question on finding the distance between two
Distance formula with negative coordinates
I am in SS 1. Teach me finding the distance between two points where some coordinates are
Equation of the perpendicular bisector of a segment
I am in SS 1. Quiz me with 4 short Additional Maths questions on finding the equation of t
Distance from a point to the centre of a circle
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
Explaining gradient, midpoint and distance formulas in my own words
I am in SS 1. Quiz me with 4 short Additional Maths questions on the three core coordinate
Common mistakes in coordinate geometry formulas
Teach me the most common mistakes SS1 students make with coordinate geometry formulas, suc