What is a variable and how do computers use them?
Have you ever heard the person who talks about the weather on TV say that the weather is going to be variable close variableA named piece of data (often a number or text) stored in a computer’s ...
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Planning experiments and variables
A variable is a part of a science experiment which can change. In all science experiments variables can be: changed measured, or controlled. It is really important that only one variable is ...
Types of variation
Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a ...
Types of data
Classifying a variable as a particular type of data is important when considering how to present the data. Data can be presented in a number of ways, which depends on the type of variable and the ...
Computing science: Video playlist
Variables are introduced using the example of a squirrel who wants to know where his nuts are buried, and how many he has. A variable is described as a special box where computers keep useful ...
Direct proportion
both variables have a value of zero at the same time as one variable increases/decreases, the other variable increases/decreases in the same proportion The cost of the pencils (C) is directly ...
Calculating speed, distance and time
To calculate one of the variables (speed ... bridges and bring light back to the islands in this free game from BBC Bitesize.
How to multiply using an array
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Equations with one unknown
Learn and revise different types of equations and ways of solving them with BBC Bitesize KS3 Maths. How to solve simple algebraic equations Find out how to solve algebra equations in this Bitesize ...
What is a variable and how do computers use them?
It might be cloudy, then sunny, and then it might rain. Variable is another word for something that changes. Some things, like the weather, change all the time and we don’t know what the next ...
Direct and inverse proportion
Explore how to work out whether two variables are directly proportional with BBC Bitesize Maths. For students between the ages of 11 and 14. Work out whether quantities are inversely proportional ...
Computing science: Video playlist
Variables are introduced using the example of a squirrel who wants to know where his nuts are buried, and how many he has. A variable is described as a special box that computers keep useful ...