Problem Pictures
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PP2 CD-ROM cover

This picture is taken from Problem Pictures Themes, a CD-ROM of photographs with activities for mathematics teaching.

Chocolate Bar

How many squares does this chocolate bar have? To answer this question, it may help to measure the photograph with a ruler.

The whole bar weighs 100 grams. What does one square weigh? A recipe uses 28 grams of chocolate. How many squares is this?


The photographs and screen images on this website are copyright and may not be reproduced without permission. Copyright Richard Phillips 2001/2007. Page updated 13 July 2005.