[Maths-Education] Not just Ratio and Proportion

[Dave Hewitt]

> How about this. also from the KS3 framework (p82 of examples):
> 
> Understand that:
> * Multiplication is equivalent to and is more efficient than repeated
> addition

Let me see now... circumference of a circle is pi multiplied by 
diameter. If my diameter is, for example, 11.37cm, in what way 
does the image of repeated addition help me with this 
multiplication?

Dave.



Dr Dave Hewitt
Senior Lecturer in Mathematics Education
School of Education
University of Birmingham
Edgbaston
Birmingham
B15 2TT
UK

Phone: +44 (0)121 414 4824
Fax: +44 (0)121 414 4865
Email: D.P.Hewitt@bham.ac.uk