Open Up - Grade 7 - Mathematics - Unit 6 - Lesson 7

There is a proportional relationship between the volume of a sample of helium in liters and the mass of that sample in grams. If the mass of a sample is 5 grams, its volume is 28 liters. (5, 28) is shown on the graph below. What is the constant of proportionality in this relationship?

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7.EE.4.a

There is a proportional relationship between the volume of a sample of helium in liters and the mass of that sample in grams. If the mass of a sample is 5 grams, its volume is 28 liters. (5, 28) is shown on the graph below. In this situation, what is the meaning of the number you found in question 1?(explain in the short answer)Add at least three more points to the graph above, and label with their coordinates.(Show your work)

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7.EE.4.a

There is a proportional relationship between the volume of a sample of helium in liters and the mass of that sample in grams. If the mass of a sample is 5 grams, its volume is 28 liters. (5, 28) is shown on the graph below. Write an equation that shows the relationship between the mass of a sample of helium and its volume. Use m for mass and v for volume.(Please answer in v = form)

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7.EE.4.a

Explain how the parts of the balanced hanger compare to the parts of the equation.7 = 2x + 3

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7.EE.4.a

Here is a hanger: Write an equation to represent the hanger.

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7.EE.4.a

Here is a hanger: Draw more hangers to show each step you would take to find x. (show your work)Write an equation to describe each hanger you drew. Describe how each equation matches its hanger.(short answer)

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7.EE.4.a