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I started my lesson off with some really simple problems involving mental math.
This was to help the students to start thinking about instances where it is easy to use mental math.
Next, I introduced the idea of breaking up a multiplication problem on the following manner.
By breaking up the first part of the product in this way, the student will ultimately have two very easy multiplication problems to evaluate...
What is nice about this method is that once the second number in the multiplication problem is distributed, the student has two problems involving a number multiplied by a single digit number. This eliminates the need to remember the steps that are involved in multiplying by a two digit number and allows students to utilize some mental math, which makes the whole process much quicker.
Finally, the student just has to add both of the products of the two problems that they completed and they have the product of the original problem. My students (even though they tend to struggle with remembering how to multiply) do very well with this method. The ones that were pretty good with the traditional algorithm, find that this way helps them to multiply more quickly, so they also like using it. I hope you will try this with your students! It has done wonders for mine.
I will be posting more about this in days to come. Thanks for reading and Happy Teaching!
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