Maths Terms for 11-13 Yr Olds


Note: You may download the entries for this glossary here. If you wish to use this in your own Moodle course, first make a blank glossary and then follow the instructions for importing glossary entries here.

James says: "This is glossary of terms for UK KS3 Maths,[ages 11-13] taken Works quite well with a 'random glossary entry' html block on a main course page since the definitions are in a small font size.



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L

Line

A set of adjacent points that has length but no width. A curve. A straight line is completely determined by two of its points, say A and B. The part of the line between any two of its points is a line segment.

Line of Best Fit

A line drawn on a scatter graph to represent the best estimate of an underlying linear relationship between the variables.

Linear

In algebra, an adjective describing an expression, equation or relationship of degree one. Example: 2x + 3y = 7 is a linear equation. This linear equation with its two variables, x and y, can be represented as a straight line graph. The relationship between x and y is linear.

Litre

Symbol: l. A metric unit used for measuring volume or capacity. A litre is equivalent to 1000 cubic centimetres

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Locus

The set of all points that satisfy given conditions. Example: in 3-D the locus of all points that are a given distance from a fixed point is a sphere. Plural: loci.

Lowest Common Multiple (LCM)

The common multiple of two or more numbers which has the lowest value. Example: 3 has the multiples 3, 6, 9, 12, 15, 18, 21, 24, etc. 4 has the multiples 4, 8, 12, 16, 20, 24... and 6 has the multiples 6, 12, 18, 24, 30... 

The common multiples of 3, 4 and 6 include 12, 24 and 36. So the lowest common multiple of 3, 4 and 6 is 12.