# GEOMETRIC PATTERNS – Islamic Design, Interlaced Ten-Pointed Star

Students create a geometric design using a circle divided into ten equal parts and colour it with metallic coloured pencils.

## Supplies:

• Crayola Metallic Coloured Pencils - 8 Count
• Crayola Washable Glitter Glue - 5 Count
• Pencils
• Rulers
• Erasers
• Black Foam Core Board - 12.7 cm x 12.7 cm (5" x 5") - 1 per student
• Ball Headed Straight Pins - 1 per student

## Steps:

1
2. Cut out the pattern so you can easily centre it on your tile.
2
1. Centre the pattern on the tile and hold it firmly in place.
- You may want to place a small piece of tape on each corner to keep it from moving.
2. Use one straight pin to push a small hole through each dot on the pattern.
3. There should be 10 holes.
3

CONSTRUCTION LINES – Drawing the Decagram Grid

1. Use a pencil to connect the dots in the following way:
- start at a dot
- count to the 4th dot
- draw a line from the starting dot to that dot
- repeat this until all the dots have been used
- it should be a 10 pointed star
4
1. Use a pencil to connect the dots in the following way:
- start at a dot
- count to the 3rd dot
- draw a line from the starting dot to that dot
- repeat this until all the dots have been used
5
1. Look for this polygon.
2. Outline it.
6
1. Find the same polygon all the way around the decagram grid.
2. There should be 10 altogether.
3. They overlap.
4. Outline them all.
7
1. Find the small polygons that connect the shapes formed by two overlapping polygons.
2. Outline them all around the grid.
8
1. Erase the decagram grid construction lines.
9
1. Test the colours on the back of your tile.
2. Choose colours you want to work with to colour your design.
10
1. Colour your design with contrasting metallic colours.
2. Do not press too hard or you will stretch the paper.
3. Keep colouring soft layers of colour, one on top of the other in different directions until you build up lots of colour.
4. Add glitter glue details to create contrast and emphasis.
• Subjects:

• Language Arts,

• Mathematics,

• Social Studies,

• Visual Arts