Trinomial Cube
From Montessori Album
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| Trinomial Cube | |
|---|---|
| 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: 23 January 2022
| Trinomial Cube | |
|---|---|
| Store | Price |
| Absorbent Minds | £36.99 GBP |
| Absorbent Minds natural |
£29.99 GBP |
| Adena | $38.88 |
| Albanesi | $198.00 |
| Alison's | $71.66 |
| Bruins | $185.00 |
| Bruins unpainted wood |
$93.00 |
| E & O | $58.50 |
| Kid Advance | $75.99 |
| Montessori Outlet | $45.95 |
| Nienhuis | $198.50 |
| Thinkamajigs | $44.95 |
| Bruins unpainted wood |
$185.00 |
Further Reading
- Basic Montessori: Learning Activities for Under-fives by David Gettman, pages 94-97
