We have been working with the Montessori Additions Charts. For those who may not be familiar with this material, it is used to aid in the memorization of addition facts.
These charts were a free download from Livable Learning. I backed ours in red card stock and laminated. You can check out this post showing all of the memorization materials we have put together.
Xander uses a math journal for all of his work. He writes out all of his problems, and this does a couple of things for him. It gives him a tremendous amount of number writing practice, and tons of experience writing out numbers in problem form. I love that about Montessori.
We went through all boards and lessons. Now we play games in between with the boards. We use dice to create problems, and an egg timer to see how many he can get. He uses various boards to check his answers. We also roll one die as a control, and he rolls the second to get facts for that number.
Some of our games include rolling or choosing problems (from our equation tile box), and if he knows the answer without hesitation he doesn't write it and can throw it into a pile and keep going!!
It is awesome to watch him having so much fun.
This is the finger hop chart, he LOVES this one .
Above he is checking out duplicate sums on the board. We talked about odd and even addends even+even = even, odd+odd=even, odd+even =odd.
We are using the Montessori Research & Development Early Childhood Math Manual that covers all memorization materials and lessons.
The materials for memorization in our manual are as follows...
Addition Strip board
Bead Bar Work
Formats for Problems, Multiple addends, Commutative and Associative law, Story Problems.
This (for the most part) repeats for all operations - other than there are bead boards for multiplication and division instead of strip boards, as used with addition and subtraction. The Multiplication sequence includes several other materials and is the longest sequence.
He records the operation, and chart of his choice at the top of his journal pages , great additional writing practice!!
Xander is really enjoying the variety, fun and games these materials offer him.
We are looking forward to getting into our elementary Fractions, Geometry and Decimal Manuals. We have made our introductions to Fractions, and Geometry to this point.
If you wish to see some what we have done in our math studies to this point, you can check out the following posts. If there are specific materials or operations you are looking for please pop them into our search bar.
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