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15*17 means:
15 groups of 17
oror17+17+ 17+ 17+ 17+17+17+ 17+ 17+ 17+
17+ 17+ 17+ 17+ 17+17+ 17+ 17+ 17+ 17+
17+ 17+ 17+ 17+ 1717+ 17+ 17+ 17+ 17
Emily and Travis use a corner piece to Emily and Travis use a corner piece to line up their problem in neat rows and line up their problem in neat rows and columns.columns.
Now that you have built 15 * 17, you
can see the4 different products4 different products
that are created:
By buildingbuilding the multiplication problem, we can see the answer beautifully, but it does take a lot of time and materials to do so. A
shorter method is to drawdraw the multiplication problem using
graph paper...
Here is the picture for 15 * 17. Notice that there are 15 rows of 17 & that 4 sections are created by this problem:
Drawing a picture of a multiplication problem works, too, but it does take time to draw and
color the picture. Is there a shorter way?
So you can solve double digit multiplication
problems using Multiplication WrestlingMultiplication Wrestling, but there are otherother ways,
too...