RIC-1069 Maths terms and tables
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List of mathematical <strong>terms</strong><br />
Apex<br />
The top vertex of an object or figure.<br />
e.g.<br />
The top<br />
point of a<br />
pyramid.<br />
apex<br />
Approximate (≈)<br />
An approximate number or measure is<br />
based on an estimate.<br />
e.g.<br />
• 78 x 99 ≈ 7700<br />
• The approximate length of<br />
this page is 24 cm.<br />
Arc<br />
Part of a circle, as shown [see p. 94].<br />
e.g.<br />
Are<br />
A metric unit of area equivalent to 100 m 2 .<br />
Area<br />
The amount of surface.<br />
e.g.<br />
The area of this page is about<br />
400 square centimetres.<br />
Arithmetic<br />
The part of mathematics involving the study of numbers <strong>and</strong> their<br />
operations <strong>and</strong> properties.<br />
Arithmetic mean<br />
[See Mean]<br />
Arithmetic progression (AP)<br />
A sequence of numbers where the next<br />
term is generated by addition <strong>and</strong>/or<br />
subtraction with one or more of the<br />
previous <strong>terms</strong>.<br />
Array<br />
An arrangement of objects into rows<br />
<strong>and</strong> columns.<br />
e.g.<br />
4, 8, 12, 16, … <strong>and</strong> 20, 15, 11,<br />
8, … are both APs.<br />
e.g.<br />
The 12 stars<br />
shown are in an<br />
array of 3 rows<br />
<strong>and</strong> 4 columns.<br />
R.I.C. Publications ® www.ricpublications.com.au <strong>Maths</strong> <strong>terms</strong> <strong>and</strong> <strong>tables</strong><br />
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