Standard 1.  Today we will learn to relate decimals, fractions, and percents.

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Presentation transcript:

Standard 1

 Today we will learn to relate decimals, fractions, and percents.

 Percent

 Complete the following chart:  To convert a fraction to a decimal, divide the numerator by the denominator.  To convert a decimal to a percent, multiply by 100 and insert the percent symbol. FractionDecimalPercent

Convert each percent to a decimal and fraction.

 Gold that is 24 karat is 100% pure gold. Gold that is 18 karat is 18 parts pure gold and 6 parts another metal, such a copper, zinc, silver, or nickel. What percent of 18-karat gold is pure gold?

 An analysis showed that 0.03% of the video games produced by one company were defective. Wynn says this is 3 out of every 100. What is Wynn’s error?

 How can you find a fraction, decimal, or percent when you have only one form of a number?

 Textbook p. 402 (9-22)