Wednesday, August 01,
2001
Source: NCTM, The Mathematics
Teacher, V. 92, No. 6 (Sept. 1999),
pp. 492-95
Slide No.
4
Arithmetic Solution
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380 oranges
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85 students
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5 oranges per girl
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4 oranges per boy
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Give each student 4 oranges: 4 x 85 = 340
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380 – 340 = 40
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There are 40 girls and 85 – 40 = 45 boys
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