Exploring Scale Drawing and Area Concepts

What is the main topic of tonight's notes?

• Scale drawings and areas

• Perimeter calculations

• Volume calculations

• Graph plotting

Tags

CCSS.7.G.A.1

In Micah's drawing, what does one centimeter represent?

• Five feet

• Two feet

• One foot

• Three feet

Tags

CCSS.2.MD.A.3

What is the length of Micah's room in the real world if the drawing length is 5.5 cm?

• 12 feet

• 13 feet

• 11 feet

• 10 feet

Tags

CCSS.7.G.A.1

How do you find the actual width if the drawing width is 3 cm and the scale is 1 cm to 2 feet?

• Multiply by 2

• Multiply by 1.5

• Multiply by 3

• Multiply by 4

Tags

CCSS.7.G.A.1

What is the area of Micah's room in square feet?

• 60 sq ft

• 66 sq ft

• 72 sq ft

• 78 sq ft

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the scale factor used in the second practice problem?

• 4

• 2

• 5

• 3

Tags

CCSS.7.G.A.1

What is the new length of the rectangle if the original length is 10.5 feet and the scale factor is 3?

• 33.5 feet

• 34.5 feet

• 32.5 feet

• 31.5 feet

Tags

CCSS.7.G.A.1

What is the new width of the rectangle if the original width is 3 feet and the scale factor is 3?

• 8 feet

• 7 feet

• 6 feet

• 9 feet

Tags

CCSS.7.G.A.1

How do you calculate the area of a rectangle?

• Length + Width

• Length - Width

• Length x Width

• Length / Width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the scaled rectangle in square feet?

• 280.5 sq ft

• 281.5 sq ft

• 282.5 sq ft

• 283.5 sq ft

Tags

CCSS.7.G.A.1