Ratios Proportions and Scale Drawings

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Tags

CCSS.7.G.A.1

Pam drew a scale drawing of a game room. She used the scale 1 inch : 2 feet. If the air hockey table is 5 inches in the drawing, how long is the actual air hockey table?

• 10 Feet

• 2.5 Feet

• 5 Feet

• 15 Feet

Tags

CCSS.7.RP.A.2C

Jamie made a scale drawing of his apartment building.  The building is 300 ft tall.  He wants his scale to be 1 inch : 10 ft.  How tall should his building be in his scale drawing?

• 25 inches

• 60 inches

• 1/30 inch

• 30 inches

Tags

CCSS.7.RP.A.2C

A map has a scale of 1 cm=5km.  On the map, two cities are 3 cm apart. What is the actual distance between these cities? 

• 7 km

• 5 km

• 15 km

• 17 km 

Tags

CCSS.6.RP.A.3B

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet

• 16 feet 

• 10 feet

• 4 feet

Tags

CCSS.7.RP.A.2C

Is this table proportional?

• Yes. The constant of proportionality is 0.35.

• Yes. The constant of proportionality is 0.25.

• No. The constant of proportionality is 0.35.

• No. There is no constant of proportionality.

Tags

CCSS.7.RP.A.2B

Which table does NOT show a proportional relationship between x and y?

• A

• B

• C

Tags

CCSS.7.RP.A.2B

Is this table proportional?

• Yes. The constant of proportionality is 3.

• No. There is not a constant of proportionality.

• Yes. The constant of proportionality is 1/3.

• No. The constant of proportionality is 3.

Tags

CCSS.7.RP.A.2A

Is this table proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2A

Is this table proportional?

• Yes. The constant of proportionality is 3.

• No. There is not a constant of proportionality.

• Yes. The constant of proportionality is 2.50.

• No. There is a constant of proportionality of 3.

Tags

CCSS.7.RP.A.2B