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This guide explores various methods for converting fractions to percentages and understanding their equivalencies. It addresses common mistakes, such as Bob's confusion between 5.5% and .055%, and provides clear guidance on how to correct such errors. This resource also includes practice problems involving fractions and percentages, engaging students with real-world examples, like comparing amounts of juice and milk consumed by Bob and Joe. Enhance your math skills with straightforward explanations and valuable practice exercises.
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2.8.11what are different ways to write each given value? 45% .04
Why is this wrong? Bob said that 5.5% = .055% How should Bob correct his work?
3. EVALUATE HALF OF ¾ FRACTION OFA # MULTIPLY
Bob Joe Warm ups 2.8.11 1.Bob drank ⅓ of his milk and Joe drank ⅜ of his juice. Who drank more? 12 fl oz 8 fl oz Bob’s milk ⅜ __ 8 ⅓ __ 12 8 fl oz 12 fl oz Joe’s Juice
Bob Joe Warm ups 2.8.11 1.Bob drank ⅓ of his milk and Joe drank ⅜ of his juice. Who drank more? 12 fl oz 33% 8 fl oz 37.5% Bob’s milk ____ 12 ____ 8 8 fl oz 12 fl oz Joe’s Juice
3. In your own words: • How do you get the percent of a number?
You have already been doing this! HALF OF 3/4 _____ ______ _____ ______ _____ ______ FRACTION DECIMAL PERCENT EASY PRACTICE PERCENT FRACTION DECIMAL 1. 20% OF 75 _____ ______ _____ ______ 2. 32% OF 250 _____ ______ _____ ______ _____ ______ _____ ______ 3. 12.5% OF 50
EQUIVALENCY MATCH UP 1 whole 1 whole
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THE DRUG WAR • According to University of San Diego’s Transborder Institute, there were 5,153 drug-related killings in Mexico in 2008. • 32 percent of the national total of drug related killings happened In the Mexican state of Chihuahua, where the border city of Juarez is located (2008). • As of July 3, 2009, there were an additional 3,054 drug-related deaths in Mexico, 29% of which happened in Chihuahua State.
