## Saturday 30 November 2013

### Montessori Activity: Constructive Triangles - Small Hexagonal Box

Age: From 4 years old

Objective(s):

1. To show the child how different triangles can create 4-sided shapes.

2. To prepare the child for geometry.

Materials:

1. The Montessori Large Hexagonal Box
2. 1 mat

Directions:

1. Show where the large hexagonal (六边形) box is kept and bring it to the mat.

2. Place the triangles randomly on the mat.

3. Show the yellow equilateral (等边三角形) triangle.

4. Take the 6 yellow triangles create a hexagon by matching the black lines.

5. Take the 3 green triangles and create a trapezoid (梯形) by matching the black lines.

6. Take the 2 red triangles and create a rhombus (菱形) by matching the black lines.

7. Take the 3 large red triangles and form an equilateral triangle.

8. Take another 3 large red triangles and form an equilateral triangle.

9. Remove 3 of the large red triangles and form a hexagon with the first red equilateral triangle.

10. Remove 2 of the gray triangles to form a rhombus.

11. Name the shapes created one by one.

12. Encourage your child to try.

Video Demonstration:

https://youtu.be/MEEDIBiUs6g

https://youtu.be/_Fg1gkSOG9U
Language:

As you go along, say the name of the shapes formed.

References:

Basic Montessori Learning Activities for Under-Fives by David Gettman

You can find the Montessori rectangular box from amazon: