Think of Scotland you think of The aim

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Think of Scotland you think of. . .

Think of Scotland you think of. . .

The aim of today’s lesson is to investigate the symmetry properties of tartan. You

The aim of today’s lesson is to investigate the symmetry properties of tartan. You will also be designing your own original tartan.

What makes tartan? Here are some examples: Royal Stuart tartan The best known of

What makes tartan? Here are some examples: Royal Stuart tartan The best known of all Scottish tartans, the Royal Stewart is the tartan of the Royal House of Stewart and the personal tartan of Her Majesty the Queen.

What makes tartan? Here are some examples: Ayrshire tartan This tartan was designed by

What makes tartan? Here are some examples: Ayrshire tartan This tartan was designed by Dr Phil Smith, In his book, he says, the colours ". . reflect the gold of the rising sun, the green of the land brown of the coast, the blue of the sea and the red of the setting sun.

What makes tartan? Here are some examples: Black Watch tartan The Black Watch tartan

What makes tartan? Here are some examples: Black Watch tartan The Black Watch tartan is also known as the Campbell tartan. This tartan was used, and is in current use, by several military units throughout the Commonwealth.

What makes tartan? Here are some examples: Flower of Scotland Designed as a tribute

What makes tartan? Here are some examples: Flower of Scotland Designed as a tribute to Roy Williamson, writer of the words and music of 'The Flower of Scotland'. Cornflower blue and Zephyr green have been used to suggest the bluebell and the thistle.

A tartan must contain at least two colours … …but rarely contains more than

A tartan must contain at least two colours … …but rarely contains more than 6 colours.

Are tartan patterns symmetrical?

Are tartan patterns symmetrical?

All tartans are woven so that they have line symmetry.

All tartans are woven so that they have line symmetry.

Do they have rotational symmetry? Yes What is the order of rotational symmetry?

Do they have rotational symmetry? Yes What is the order of rotational symmetry?

This is how you are going to design your own tartan: Step 1 Choose

This is how you are going to design your own tartan: Step 1 Choose between 2 and 5 colours from the following: red black dark green teal dark red light gray dark blue dark gray light bright yellow green blue light blue white purple pink

Step 2 Decide what order you would like to put you colours into and

Step 2 Decide what order you would like to put you colours into and how many threads you will use for each colour. For example: Red Green Yellow Green 10 6 4 6 Remember this pattern will be repeated forwards and backwards to make it symmetrical.

Step 3 If you can print the worksheet draw your tartan using coloured pens

Step 3 If you can print the worksheet draw your tartan using coloured pens or pencils and a ruler. If not try it on a piece of paper. To build symmetry into your design you must repeat your pattern forwards and backwards. The pattern once forwards and backwards is called a sett.

For example: Red Green Yellow Green 10 6 4 6

For example: Red Green Yellow Green 10 6 4 6

Step 4 Go to http: //www. houseoftartan. co. uk/interacti ve/weaver/index. html to weave your

Step 4 Go to http: //www. houseoftartan. co. uk/interacti ve/weaver/index. html to weave your design using the interactive weaver.

Using the interactive tartan weaver our red, yellow and green tartan looks like this:

Using the interactive tartan weaver our red, yellow and green tartan looks like this: