755 prompts matching "Learn: The biconditional, p if and only if q"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
De Morgan's laws for sets
I am in SS 1. Teach me De Morgan's laws for sets, (A union B)' = A' intersection B' and (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
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
Arithmetic mean between two numbers
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the arithmetic me
Word problem: arithmetic sequence in a savings context
I am in SS 1. Teach me a real-life word problem modelled by an arithmetic sequence, such a
Word problem: geometric sequence in a growth context
I am in SS 1. Quiz me with 3 short Additional Maths questions on a real-life word problem
Solving for x when three terms are in arithmetic progression
I am in SS 1. I attempted an Additional Maths question on finding the value of x given tha
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
Series exam question with show all working
I am in SS 1. I'm going to explain a full Cambridge/Additional Maths style series question
Sequences involving fractions
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding the nth term and
Three consecutive terms word problem
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a wo
Common student mistakes with progression formulas
I'm going to explain the most common mistakes SS1 students make when applying the AP and G
Finding a sequence's sum between two term numbers
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
Gradient from a linear equation
I am in SS 1. I'm going to explain finding the gradient and y-intercept of a line directly
Condition for two lines to be parallel
I am in SS 1. Teach me the condition for two lines to be parallel, and using it to find th
Condition for two lines to be perpendicular
I am in SS 1. Quiz me with 4 short Additional Maths questions on the condition for two lin
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