Grade 7 | Unit 1 | Lesson 12: Units in Scale Drawings | Practice Problems

• 1 inch to 1 foot

• 1 inch to 100 feet

• 1 inch to 1 mile

• 1 centimeter to 1 meter

• 1 centimeter to 50 meters

Tags

CCSS.7.G.A.1

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?

Tags

CCSS.7.G.A.1

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

• 0.75 cm to 1 km

• 1 cm to 12 km

• 6 mm to 2 km

• 0.3 mm to 40 m

• 1 inch to 7.62 km

Tags

CCSS.6.RP.A.3D

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.

Tags

CCSS.7.G.A.1

Water costs $1.25 per bottle. At this rate, what is the cost of: 10 bottles? 20 bottles? 50 bottles?

Tags

CCSS.6.RP.A.3B

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. How much water and detergent is needed for 8 batches? Explain your reasoning.

number of batches	cups of water	cups of detergent
1	6	1
2
3
4