ReteachCh1-2a

# ReteachCh1-2a - the pattern to solve the problem It takes...

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NAME _________________________________________ DATE ______________ PERIOD _______ Problem-Solving Investigation: Look for a Pattern You may need to look for a pattern to solve a problem. Understand Determine what information is given in the problem and what you need to find. Plan Select a strategy including a possible estimate. Solve Solve the problem by carrying out your plan. Check Examine your answer to see if it seems reasonable. Example 1 The Ferris wheel located at Navy Pier in Chicago stands 150 feet tall and can carry 240 people. It takes minutes to make one revolution, 15 minutes to make two revolutions, and minutes to make three revolutions. If this pattern continues, how many minutes will it take to make six revolutions? Understand You know the time it takes to make the first three revolutions. Plan Look for a pattern in the number of minutes. Then continue the pattern to find how many minutes it takes to make six revolutions. Solve Complete the information for the first, second, and third revolutions. Continue

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Unformatted text preview: the pattern to solve the problem. It takes 45 minutes to make six revolutions. Check Check your pattern to make sure the answer is correct. Problem-Solving Investigation: Look for a Pattern http://glencoe.com/sites/common_assets/mathematics/0078916. .. 1 of 2 9/20/10 10:08 AM Exercises Look for a pattern. Then use the pattern to solve each problem. COOKING A muffin recipe calls for cups of flour for every cup of sugar. How many cups of flour should be used when 4 cups of sugar are used? 1. FUNDRAISER There were 256 people at a fundraiser. When the event was over, half of the people who remained left every 5 minutes. How long after the event ended did the last person leave? 2. Chapter 1 32 Course 3 Problem-Solving Investigation: Look for a Pattern http://glencoe.com/sites/common_assets/mathematics/0078916. .. 2 of 2 9/20/10 10:08 AM...
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ReteachCh1-2a - the pattern to solve the problem It takes...

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