 # Decimals and Percents Goal: Change a percent to a decimal Multiply decimals.

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Decimals and Percents Goal: Change a percent to a decimal Multiply decimals

Percent comes from the Latin per centum, or “per hundred” Consequently, a number such as 32% can be written as “32 per hundred” or the fraction 32/100. This fraction is equivalent to the decimal 0.32. Percent – is a ratio of a number to 100.

Percent to decimal 50% =.50 50 ÷ 100 =.50 Move the decimal point two (2) places to the left (this divides the number by 100)

Remember that fractions, decimals, and percents are discussing parts of a whole, not how large the whole is. Fractions, decimals, and percents are part of our world. They show up constantly when you least expect them. Don’t let them catch you off guard. Learn to master these numbers.

Let’s Practice 6.25% 8% 25% 7.5% 4.75% 90% Change each percent to a decimal

The rules for multiplying decimals 1. multiply (ignoring the decimal) 2. count the number of spaces to the right of the decimals 3. move the decimal the same number of spaces to the left in the product (answer)

Let’s Practice 12.5 x 6 11 x 5.5 1.2 x 2.4 0.625 x 15

Now we are ready to make a purchase!

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