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Click the mouse button or press the Space Bar to display the answers. Objective Write percents as fractions, and vice versa Vocabulary Percent A ratio that compares a number to 100 Example 1 Percents as Fractions Example 2 Percents as Fractions Example 3 Fractions as Percents Example 4 Fractions as Percents Example 5 Fractions as Percents Example 6 Fractions as Percents NUTRITION In a recent consumer poll, 41.8% of the people surveyed said they gained nutrition knowledge from family and friends. What fraction is this? Write in simplest form. Write problem 41.8% Remember: To remove the % 0.418 sign, must divide by 100 1 To make a fraction, put a 1 in the denominator Count the number of place values to the right of the decimal 1/6 NUTRITION In a recent consumer poll, 41.8% of the people surveyed said they gained nutrition knowledge from family and friends. What fraction is this? Write in simplest form. The are 3 place values 41.8% Put 3 zeros in the denominator 0.418 418 1 1000 If you read the decimal it is four hundred eighteen thousandths Put all the digits to the right of the decimal in the numerator Find the GCF of 418 and 1000 1/6 NUTRITION In a recent consumer poll, 41.8% of the people surveyed said they gained nutrition knowledge from family and friends. What fraction is this? Write in simplest form. GCF = 2 41.8% Divide the GCF into the 0.418 numerator and denominator 418 2 Add dimensional analysis 1000 2 Answer: of the people 1/6 ELECTION In a recent election, 64.8% of registered voters actually voted. What fraction is this? Write in simplest form. Answer: of registered voters 1/6 Write as a fraction in simplest form. Write problem Percent refers to 100 so put 100 in the denominator Put in the numerator Divide numerator by denominator Answer: 2/6 Write as a fraction in simplest form. Answer: 2/6 PRODUCE In one shipment of fruit to a grocery store, 5 out of 8 bananas were still green. Find this amount as a percent. Write the ratio as a fraction Divide numerator by denominator 0.625 Answer: 62.5 % Remember: To change a decimal to a percent, divide by 100 Add the % sign 3/6 HOCKEY During a hockey game, the forward on one of the teams scored 3 goals out of 8 shots taken. Find this amount as a percent. Answer: 37.5% 3/6 Write as a percent. Round to the nearest hundredth. Write the fraction Divide numerator by denominator 0.41666 Answer: 41.67 % Keep number on display of calculator and write 5 digits to the right of the decimal Do not round until the answer Remember: To change a decimal to a percent, divide by 100 and round Add the % sign 4/6 Write as a percent. Round to the nearest hundredth. Answer: 73.33% 4/6 Write as a percent. Write the fraction Divide numerator by denominator 0.45 45 % Remember: To change a decimal to a percent, divide by 100 Add the % sign Answer: 45% 5/6 Write as a percent. Answer: 52% 5/6 Write as a percent. Round to the nearest hundredth. Write the fraction Divide numerator by denominator 0.42857 Answer: 42.86 % Keep number on display of calculator and write 5 digits to the right of the decimal Do not round until the answer Remember: To change a decimal to a percent, divide by 100 and round Add the % sign 6/6 * Write as a percent. Round to the nearest hundredth. Answer: 81.82% 6/6 Assignment Lesson 7:5 Fractions, Decimals and Percents 13 - 36 All