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How can the same pieces of the tangram make this bowl before and after it was chipped? Use the interactivity to try and work out what is going on!

Making Maths: Making a Tangram

Follow these instructions to make a three-piece and/or seven-piece tangram.

Making Maths: Birds from an Egg

Can you make the birds from the egg tangram?

World of Tan 22 - An Appealing Stroll

Age 7 to 11 Challenge Level:

This activity follows on from World of Tan 21 - Almost There Now.

Little Ming and Little Fung are slowly walking home from school. The new term is only a few days old and already the children are getting back to their old ways...

Little Ming: Why does a school day feel so much longer than a day over the weekend?

Little Fung: It depends whether or not you're enjoying yourself.

Little Ming: Well I spent all morning measuring things, who could get excited by that?

Little Fung: I'm more interested in things that can't be measured in obvious ways.

Little Ming: How do you mean?

Little Fung: Well, we can measure length, height and width...

Little Ming: As well as mass, volume and temperature...

Little Fung: I know, and there's also time, angles and capacity! You and I can measure most things and we can read most measuring instruments. It's all the things we don't have instruments for that I want to find out about.

Little Ming: How do you mean?

Little Fung: Well how do you measure how clever someone is?

Little Ming: How do you measure stubborness?

Little Fung: You've got it!

Little Ming: I suppose you can measure strength or weakness?

Little Fung: Yep, just as you can measure speed and acceleration or density.

Little Ming: Can you measure different degrees of wetness?

Little Fung: I'm not sure. I know when I am damp, and I know when I am soaking wet...

Little Ming: Yes... Last night was fun, but we shouldn't have cooled down by standing in the fountain - someone will have seen us and they will tell Granma T!

Little Fung: Come one, let's stop dawdling - it's almost dinner time, we need to get a move on!

In the meantime, complete the silhouette of Little Ming carrying his backpack and dawdling on his way home from school.

Extra activities:

• List some of the things that you can measure and the different instruments that you can measure them with.
• What can't you measure? Why?

The story continues in World of Tan 23 - Transform This Into That.