Math
Matters
By: Ginger Stiner
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One of the best things about math is
that there is more than one way to solve a problem! This creates
critical thinkers. In order to teach math accurately I will need
to be aware of and comfortable with several methods of computation.
An algorithm
is the process used to solve a problem.
One algorithm for multiplication is the
Lattice Method of Multiplication.
This is one method that was discussed
in my Teaching Math class this week, and one that I want to be sure to
remember!
I will teach my students that in math a LATTICE is a box with squares and diagonals that
is used for multiplication.
This is what it looks like:
I will explain that the number of digits in the
factors being multiplied together will determine the size of the box they will
create.
After demonstrating how to decide the size of the box
I will make the diagonal lines that are the final requirement of the set-up of
the lattice.
Once the lattice has been constructed, the numbers
will need to be plugged in at the top and along the side in order to begin the
multiplication process.
Students will need to be aware of place value in
order to put the answers in the correct triangle that was created by the
diagonal lines.
Once all multiplication is complete, addition must
take place along the diagonal lines supplying one digit at a time for the
solution.
This video shows the Lattice Method of Multiplication:
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