Unit 7, Lesson 18
Using Common Multiples and Common Factors
Grade 6
Practice
Problem 1
Student Task Statement
Mai, Clare, and Noah are making signs to advertise the school dance. It takes Mai 6 minutes to complete a sign, it takes Clare 8 minutes to complete a sign, and it takes Noah 5 minutes to complete a sign. They keep working at the same rate for a half hour.
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Will Mai and Clare complete a sign at the same time? Explain your reasoning.
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Will Mai and Noah complete a sign at the same time? Explain your reasoning.
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Will Clare and Noah complete a sign at the same time? Explain your reasoning.
- Will all three students complete a sign at the same time? Explain your reasoning
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