Sawing like Piet Mondriaan

Made by a student of grade 3

You need:

1. black construction paper
2. plywood  
3. ruler and pencil
4. tempera paint in primary colors kleuren + white
5. brush
6. coping saw
7. sandpaper
8. glue

Divide a rectangular piece of thin plywood into rectangles and squares using ruler and pencil and saw them. Place every piece directly on the right spot the black construction paper. All pieces have to form a rectangle again. 

Sand the edges of pieces. Paint the pieces in primary colors and white. Past them on the black sheet.