Solve Multi-Step Problems

The $20 Bill

Eddie has a new design for a $20 bill that he thinks would be hard to counterfeit. He knows that he has to give exact measurements in his design.

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Computer Problems

What kinds of math problems could you have to solve in a company that builds computers?

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A Classroom Full of Water

How much water would it take to fill up a classroom, in cubic feet and gallons?

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Ferret Figures

50 ferrets (25 males, 25 females) are re-introduced into the wild, in a region of Colorado, one year in February. What would you need to know in order to make a good guess as to whether or not that population of ferrets will increase or decrease?

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The Forest and the Trees

Forest ranger Arnold Wilson wants to plant three kinds of trees on a mountain: Ponderosa Pine, Douglas fir, and White Fir.

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Recycling Proposal

Your city wishes to develop an effective recycling program similar to the one we have here in Seattle, and would like you to prepare a proposal for getting it done.

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Robot Rover

Testing of the kinds of motors that will be used on the wheels shows that the probability that a motor will fail in 60 days of start-stop-start running is 3 out of a thousand, or 0.003.

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Snow

Snow takes up a lot more room than the same amount of liquid water. For some kinds of snow, it can take 10 inches of snow to equal 1 inch of liquid water.

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Timber Cruise

Using a sample of tree heights and diameters, this lesson gets students to see how foresters use problem solving to get an accurate estimate of the total volume of wood in a forest.

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