Trinomial Cube
From Montessori Album
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Trinomial Cube | |
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Sensorial - Visual Discrimination of Form | |
Level | Primary |
Age | 4 + |
Prerequisites | Binomial Cube |
Materials | Trinomial Cube |
In this activity the child assembles a three-dimensional puzzle made up of 27 wooden blocks. This puzzle is the physical representation of the trinomial formula: (a+b+c)3. This activity indirectly prepares the child to learn Algebra later on.
Presentations
Presentation 1
- Invite the child to the lesson. Show him where the work is on the shelf, and name the work. Take the Trinomial Cube box to a table.
- Step two
- Step three
Presentation 2
- Invite the child to take the Trinomial Cube box to a rug or table.
- Step two
- Step three
- Step four
- Step five
- Step six
Video
Points of Interest
Control of Error
- The diagrams on the sides of the box remind the child of the pattern that each level of the blocks should make.
- The blocks will not fit back in the box unless the cube in constructed correctly.
Variations and Extensions
Material
Where to Buy
Adena $32.65
Albanesi $209.00
Alison's $59.99
Bruins $155.00
Bruins $121.00 (unpainted wood)
E & O $210.00
Hello Wood $179.00
Kid Advance $34.99
Montessori Outlet $31.95
Nienhuis $189.40
Thinkamajigs $41.95
Further Reading
- Basic Montessori: Learning Activities for Under-fives by David Gettman, pages 94-97