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Practice solving word problems involving fractions and differences in quantities. Calculate how many more pages Muriel read on Monday than Tuesday, the difference between orange and green balloons Henry has, and the additional nonfiction books Kim has compared to mysteries and animal stories total.
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Lección 7 - Problemas Complementarios • Muriel read 5/8 of a book on Monday and 1/4 of the remainder on Tuesday. If she read 60 pages on Monday, how many more pages did she read on Monday than on Tuesday? • 60 • ? Diff M-T Muriel ’s reading • M • M • M • M • M • T • B. Rest of book = ? • 3 x 12 = 36 • T = 36 ÷ 4 = 9 • C. Diff M-T = 60 – 9 = 51 • 1 unit = ? • 60 ÷ 5 = 12 • 1 unit= 12 • Muriel read 51 more pages on Monday than on Tuesday.
Lección 7 - Problemas Complementarios • Henry has 70 balloons. 1/10 of them are green, and 3/5 of them are orange. What is the difference between the number of orange and green balloons Henry has? • ? O-G Henry’s balloons • G • O • O • O • O • O • O • 70 • B. Diff O-G = ? • 6 – 1 = 5 • C. 5 x 7 = 35 • Green balloons 1 unit = ? • 70 ÷ 10 = 7 • 1 unit= 7 • Henry had 35 more orange than green balloons.
Lección 7 - Problemas Complementarios • Kim has 45 picture books. 1/9 of them are mysteries. 3/9 of them are animal stories. The rest of them are nonfiction. How many more nonfiction books does Kim have than the total of mysteries and animal stories? • ? N – (M+A) Kim’s books • M • A • A • A • N • N • N • N • N • 45 • A. 1 unit = ? • 45 ÷ 9 = 5 • 1 unit= 5 • B. Diff N-(M+A) = ? • 5 – 4 = 1 • C. 5 x 1 = 5 • Kim has 5 more nonfiction books than mysteries and animal stories