PSA6SP4 - Practice Problems---7.1 Lesson 12: Units in Scale Drawings (7.G.A.1)
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Part A)

The Empire State Building in New York City is about 1,450 feet high (including the antenna at the top) and 400 feet wide. Andre wants to make a scale drawing of the front view of the Empire State Building on an 1/2-inch-by-11-inch piece of paper. Select a scale that you think is the most appropriate for the scale drawing.

 

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Select one:
Part B)

Explain your reasoning.

Type your answer below:

Elena finds that the area of a house on a scale drawing is 25 square inches. The actual area of the house is 2,025 square feet. What is the scale of the drawing?

 

Complete the following scale:

 

1 inch to ___ feet

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):

Which of these scales are equivalent to 3 cm to 4 km? Select all that apply. Recall that 1 inch is 2.54 centimeters.

 

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Select all that apply:
Part A)

These two triangles are scaled copies of one another. The area of the smaller triangle is 9 square units. What is the area of the larger triangle?

 

Do not include units (square units) in your answer.

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

These two triangles are scaled copies of one another. The area of the smaller triangle is 9 square units. What is the area of the larger triangle? Explain or show how you know.

 

Explain or show how you know.

Type your answer below:
Part A)

Water costs $1.25 per bottle. At this rate, what is the cost of 10 bottles?

 

Do not include units ($) in your answer.

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

What is the cost of 20 bottles?

 

Do not include units ($) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part C)

What is the cost of 50 bottles?

 

Do not include units ($) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part A)

The first row of the table shows the amount of dish detergent and water needed to make a soap solution.

 

Complete the table for 2, 3, and 4 batches. 

 

Create and fill in the table using the table button 

 

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Type your answer below:
Part B)

How much water is needed for 8 batches?

 

Do not include units (cups) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part C)

How much detergent is needed for 8 batches?

 

Do not include units (cups) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part D)

Explain your reasoning.

Type your answer below: