Constructive Triangles - Blue Rectangular Box

Constructive Triangles - Blue Rectangular Box
Sensorial - Visual Discrimination of Form
Level	Primary
Age	4 +
Prerequisites	Geometric Cabinet Constructive Triangles - Triangular Box Constructive Triangles - Rectangular Box
Materials	Blue Rectangular Box

Use of this material makes the child aware that all polygons can be made with triangles. This activity prepares the child for geometry.

Presentation

1. Take the material to a large mat. Lay out the triangles on the mat.

   

2. Show that the triangles can be combined into other shapes in multiple ways.

   

Material

Make Your Own

Printable version available to buy here:

• 

  Constructive Triangles - $4.50

Where to Buy

Prices and links last checked: 1 June 2020

Set of 5 Constructive Triangle Boxes
(Includes: Rectangular Box, Triangular Box, Blue Rectangular Box, Large Hexagonal Box, Small Hexagonal Box)
Adena $88.95
Alison's $157.60
Bruins $290.00
E & O $145.00
Hello Wood $328.00
Kid Advance $89.99
Leader Joy $99.95
Materials Company of Boston $230.00
Montessori N' Such $80.00
Montessori Outlet $98.95
Neinhuis $299.00
Thinkamajigs $101.96

Blue Triangles Box
Adena $18.69
Alison's $38.25
Bruin's $45.00
E & O $24.00
Hello Wood $53.00
Kid Advance $18.99
Leader Joy $20.95
Materials Company of Boston $31.00
Montessori N' Such $15.01
Montessori Outlet $18.95
Nienhuis $59.60
Thinkamajigs $15.26

Further Reading

• Basic Montessori: Learning Activities for Under-fives by David Gettman, page 90