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Nurturing the Years of Wonder
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Mamamoon
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Posted: Jan 30 2008 at 4:19pm | IP Logged Quote Mamamoon

hello!
i am getting ready to put in another order in for montessori supplies.
i have my dd (7) who has had a lot of experience with montessori math at her preschool and kinder. we are presently working on addition and multiplication, with the beads, snake & and stamp game, and i have been curious about these binomial and trinomial cubes.
there are other types of cubes too, but i am wondering is that more of a preschool thing, because i have seen them there.

any insights on what might be good to buy? i am thinking geometry, mult. division etc.
thanks in advance!

lisa
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montessori_lori
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Posted: Jan 30 2008 at 4:33pm | IP Logged Quote montessori_lori

Hi! Here's what I know about the binomial & trinomial cubes.

In 3-6, they are used simply as puzzles. There are no math concepts or equations applied to them. The kids just learn how to put the shapes back correctly to form the cube.

In 6-9, they are used to actually learn the binomial & trinomial equations. This is typically done in late 2nd grade/early third grade. In this case, the child learns about binomials (a + b) cubed, or trinomials (a + b + c) cubed.

It's pretty complicated, because each shape inside the cubes represents a part of the equation.

Here's some other things to do with your daughter:

* bead chains (skip counting, squares and cubes of numbers)

* subtraction and division - with the subtraction and division boards and charts, and then the stamp game and/or small bead frame

* additional math concepts: money, measurement, Roman Numerals, telling time, fractions, simple word problems

* all the geometric card sets: parts and types of lines, parts and types of angles, parts and types of different shapes like triangle, circle, and square

At her age, you can work more with abstract materials (moving away from the beads), and use card sets (for geometry) rather than wooden materials.

I'd wait a little bit before doing the cubes. They are definitely cool, though!


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Mamamoon
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Posted: Jan 30 2008 at 5:47pm | IP Logged Quote Mamamoon

thanks lori~
really helpful. now i will go to my books and read up on all those things......i am unfamiliar with presentations for the squares and cubes of numbers~
have a great one!
lisa
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