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How To Multiply Decimal Numbers Using The Lattice Method

Here is an alternative method for multiplying decimal numbers.
In the video, three examples are demonstrated :
3.4 x 2.5
.34 x 2.05
3.04 x 20.5
Notice how the decimal point intersection indicates where to slide the decimal point on the grid.

Watch the video


PS : Try a fraction subtraction too!

Decimals to fractions 
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