Write equations for proportional relationships from word problems.
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Tools that may be useful for this lesson: calculators.
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A repair technician replaces cracked screens on phones. He can replace 5 screens in 3 hours.
A train traveling from Boston to New York moves at a constant speed. The train covers 260 miles in 3.25 hours.
Write an equation that represents this relationship. Explain what your equation tells you about the train.
Deli turkey meat is on sale at two different grocery stores, as represented below.
Stop & Buy
$$c=6.25p$$, where $$c$$ represents cost in dollars and $$p$$ represents number of pounds of turkey
Roger's
Amount (pounds) |
Cost ($) |
3 | 19.50 |
4 | 26 |
6 | 39 |
7 | 45.50 |
What's the unit price of turkey per pound at each store? Which store has the better sale?
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The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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The 7th graders at Wilson Middle School are taking a field trip to the science museum. So far, 12 students have turned in a total of $81 to pay for their ticket.
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