Exploring Scale Drawings in Geometry

The video tutorial explains how to interpret and use scales on blueprint drawings to determine real-world measurements. It begins with a basic introduction to the concept of scale, using a house blueprint as an example. The tutorial then demonstrates how to calculate the real-world size of an object represented on a blueprint by using a simple multiplication method. A second example involving a hen drawing is provided to reinforce the concept, showing how to convert units on graph paper to actual measurements in centimeters.

What does 10 cm on the blueprint represent in the real world?

• 10 meters

• 2 meters

• 1 meter

• 5 meters

Tags

CCSS.7.G.A.1

What is the purpose of setting up a table in scale drawing problems?

• To decide on the materials needed

• To calculate the area of the drawing

• To compare measurements between the drawing and the real world

• To determine the color scheme

Tags

CCSS.7.G.A.1

What is the real-world equivalent of 10 cm on the blueprint according to the scale?

• 2 meters

• 5 meters

• 10 meters

• 20 meters

Tags

CCSS.7.G.A.1

To find the real-world distance for 18 cm on the blueprint, by what factor should the known meter value be multiplied?

• 2.5

• 1.5

• 2.0

• 1.8

Tags

CCSS.7.G.A.1

How many meters do 18 cm on the blueprint represent?

• 2.5 meters

• 4.0 meters

• 3.0 meters

• 3.6 meters

Tags

CCSS.7.G.A.1

How do you calculate the real-world measurement for a scaled drawing?

• Subtract the scale factor from the drawing measurement

• Divide the drawing measurement by the scale factor

• Multiply the drawing measurement by the scale factor

• Add the scale factor to the drawing measurement

Tags

CCSS.7.G.A.1

In Jalen's drawing, what does each unit on the graph paper represent in the real world?

• 6 centimeters

• 10 centimeters

• 2 meters

• 6 meters

Tags

CCSS.5.G.A.2

What does the scale of 'two units represents six centimeters' imply about the size of the hen in the drawing?

• It is magnified

• It is reduced

• It is life-sized

• It is double the real size

Tags

CCSS.7.G.A.1

If the hen in the drawing is 16 units tall, how many centimeters tall is the hen in the real world?

• 32 centimeters

• 48 centimeters

• 64 centimeters

• 24 centimeters

Tags

CCSS.7.G.A.1

If two units represent six centimeters, how many centimeters do sixteen units represent?

• 32 centimeters

• 60 centimeters

• 48 centimeters

• 24 centimeters

Tags

CCSS.7.G.A.1