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## 'Making Trains' printed from http://nrich.maths.org/

Laura made a train with the Cuisenaire rods.

Her train was made from three rods which were all different
colours.

It was the same length as three pink rods:

Laura's train looked like this:

Can you make a different train, the same length as Laura's, with
three rods which are all different colours?

Can you make one the same length using no colours that Laura used?

Rob made a train that was the same length as Laura's using four
differently coloured rods.

How did he do it?

Charlene made a train which was as short as it could be using four
differently coloured rods. Can you find a rod that is the same
length as Charlene's train?

Ben made a train using four differently coloured rods the same
length as two black rods and a light green one:

He made it without using a white rod. How did he do it?

You may like to use this interactivity to try out your ideas. Click
on 'Rods' to choose your rods:

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