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SECRET MEANINGS Te Tuhi pre-visit lesson 2 For Year 3-4 students Image: http://www.flickr.com/photos/pwilley/1491573602/

Welcome to Secret Meanings Before we start let’s recap on what were learnt in our last lesson. During this lessons we learn about… Colours and numbers Image: http://en.wikipedia.org/wiki/File:Cuisenaire-Rods-2.png

In the last lesson we learnt that colour the clothing we wear and us trees, plants, sea and the sky the food we eat In the last lesson we learnt that colour can be seen on our homes and buildings On animals we see

Colour is on a lot of things but how can colour mean numbers?

Georges Cuisenaire (1891 – 1976) School teacher Georges Cuisenaire was passionate about helping students understand numbers. So he came up with an idea using colours. Let’s see what he came up with. Image: http://www.memory4teachers.co.uk/channels/presentations/cuisenaire/images/dr2.png

One day Georges decided to focus on 10 numbers and 10 blocks. 2 3 4 5 6 7 7 8 9 10 One day Georges decided to focus on 10 numbers and 10 blocks. Each number was a different size. The bigger the number the bigger the block. Let’s count from 1 to 10.

Let’s see how we can use these blocks to help us with our maths. 1 2 3 4 5 6 8 9 10 7 Let’s see how we can use these blocks to help us with our maths.

Here are a few examples…

Now our block is the same size. 1 2 3 4 5 6 8 9 10 7 1 To make this block Now our block is the same size. 1 2 the same size as this block, which block do I need to add? Let’s try another one… 1 + 1 = 2

Now our block is the same size. To make this number 1 3 2 3 4 5 6 8 9 10 7 2 Now our block is the same size. To make this number 1 3 the same as this number, what do I need to add? Let’s try one more… 1 + 2 = 3

Now our block is the same size. 2 5 1 2 3 4 5 6 8 9 10 7 3 To make this number Now our block is the same size. 2 5 the same as this number, what do I need to add? 2 + 3 = 5

Now our block is the same size. 1 2 3 4 5 6 8 9 10 7 6 To make this number Now our block is the same size. the same as this number, what do I need to add? 3 9 3 + 6 = 9

If you have Cuisenaire blocks at school try solving some maths problems of your own.

If you don’t, print these blocks in colour, cut them out and use them. 1 2 3 4 5 6 7 7 8 9 10 If you don’t, print these blocks in colour, cut them out and use them.

Michael Parekowhai 1 2 5 3 New Zealand artist Michael Parekowhai has made a towering sculpture at Te Tuhi inspired by Cuisenaire blocks. 6 As we can see each column equals 14. Let’s move on to the next column Complete the last column which looks like this… Let’s start with the left column Let’s move on to the 3rd column 1 There are 4 columns and if we count all the colours used in this sculpture there are 10 colours altogether. We can see he has stacked all his blocks into columns. Lets try to add up the numbers for each column. Use the Cuisenaire rods to help you. 7 10 9 8 4 14 14 14 14 1 2 3 4 5 6 7 8 9 10

As we have seen, colour can mean numbers Let’s recap on what we have learnt so far…

So what have we learnt so far? Colour 2 3 1 1 + 2 = 3 can represent a number can help us solve maths problems can inspire artists and their artwork

We hope you enjoyed learning about colours and numbers. In the next lesson we will learn about colours and words. We hope you enjoyed learning about colours and numbers. End of lesson