Decimal Multiplication
Word Art
Decimals are multiplied as if they were whole numbers, then the decimal point is placed in the product. To place the decimal point in the product so that the number of decimal places in the product is the sum of the decimal places the factors.
Example 1
Multiply21.4 x 0.36 Step 1 Arrange the factors vertically. *Note: You do not have to line up the decimal points. Step 2 Multiply like whole numbers. Step 3 To place the decimal count the number of places behind the decimal in each factor. There is 1 number behind the decimal in the first factor and 2 numbers behind the decimal in the second factor. The product MUST have 3 (the total number of place behind the decimals in the problem). |
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