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Published byCody Malone Modified over 9 years ago
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Multiplication of Mixed Numbers Word Problems
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Example: Crystal swam 5 ⅓ lengths of the pool and JoAnn swam 1 ½ times as far as Crystal. How many lengths did JoAnn swim? Answer: 5 ⅓ x 1 ½ = 16/3 x 3/2 = (Change to a mixed number) 16/3 x 3/2 = (Change to a mixed number) 48/6 = (Multiply numerators, then multiply denominators) 48/6 = (Multiply numerators, then multiply denominators) 8 (Reduce by dividing) 8 (Reduce by dividing)
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Problems #1 Johnny uses 1 ¼ packages of chocolate chips in his cookie recipe. He wanted more cookies and decided to make 2 ½ times the cookie recipe this time. How many packages of chocolate chips did he use?
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Mr. MacNamara has 2/3 acre of land. He wants to plant potatoes on ¾ of his land. How much land will be planted with potatoes?
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Maria ran for ¾ an hour each day for 7 days. What is her total running time? Let a circular clock face represent 1 hour. Draw your shape 7 times (for 7 days). How many fourths did you draw in total? Rearrange the parts to make as many wholes as possible. What is Maria’s total running time (as a mixed number and improper fraction)?
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