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
Prices and links checked: 05 August 2020
Trinomial Cube | ||
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Store | Price | |
Adena | $36.95 | |
Albanesi | $198.00 | |
Alison's | $68.25 | |
Bruins | $180.00 | |
Bruins unpainted wood |
$90.00 | |
E & O | $52.20 | |
$179.00 | Kid Advance | $75.99 |
Montessori Outlet | $45.95 | |
Nienhuis | $198.50 | |
Thinkamajigs | $41.95 | |
Bruins unpainted wood |
$180.00 |
Further Reading
- Basic Montessori: Learning Activities for Under-fives by David Gettman, pages 94-97