724 prompts matching "prove an argument invalid using a truth table"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
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
Applying the sum to infinity formula when the ratio lies between minus one and one
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on usin
Arithmetic mean between two numbers
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the arithmetic me
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
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
Explaining the difference between a sequence and a series
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expl
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
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
Finding an endpoint given the midpoint
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding one endpoint of a
Equation of a line given gradient and one point
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Finding the centre and radius from a circle's equation
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the centre and ra
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
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat
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
Coordinate geometry involving a right-angle condition to find x
I am in SS 1. Teach me finding an unknown coordinate x so that two given line segments mee
Locus problem: points equidistant from two fixed points
I am in SS 1. Quiz me with 3 short Additional Maths questions on a locus-style coordinate
Factorising the sum and difference of two cubes
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on fact