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192 pages • first pub 2010 (editions)
ISBN/UID: 139781782432555
Format: Paperback
Language: English
Publisher: Not specified
Publication date: 27 May 2010
Description
Brush up on your mental arithmetic, including percentages, averages and recurring decimals or work on your trigonometry skills, from Pythagoras Theorem to triangle areas and angles. I Used To Know That: Maths is a fun and accessible way to re-visi...
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192 pages • first pub 2010 (editions)
ISBN/UID: 139781782432555
Format: Paperback
Language: English
Publisher: Not specified
Publication date: 27 May 2010
Description
Brush up on your mental arithmetic, including percentages, averages and recurring decimals or work on your trigonometry skills, from Pythagoras Theorem to triangle areas and angles. I Used To Know That: Maths is a fun and accessible way to re-visi...