Math Practice #5

Select all the ratios that are equivalent to the ratio 12 : 3

• 6 : 1

• 1 : 4

• 4 : 1

• 24 : 6

• 1,200 : 300

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide. How tall is the actual book?

• 9 inches

• 12 inches

• 15 inches

• 18 inches

Tags

CCSS.7.G.A.1

An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide. What scale is being used for the image?

• 1 : 2

• 1 : 3

• 1 : 5

• 1 : 6

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Wanda drew a scale drawing of a house and its lot. She used the scale 2 centimeters : 3 meters. If the actual length of the lawn in the backyard is 51 meters, how long is the lawn in the drawing?

• 34 cm

• 102 cm

• 153 cm

• 51 cm

Tags

CCSS.7.G.A.1

Find the scale factor from 1/2 in to 5 feet.

• 2.5

• 60

• 120

• 10

Ms. Mabrey used scaled copied triangles to make a design. Which statement about the triangles in the design must be true?

• The triangles are the same size and shape.

• The triangles are the same size but different shapes.

• They have corresponding angles that are the same measure.

• They have corresponding sides that are the same length.

Which one is an example of the scale written as a scale without units.
Scale: 
15 ft : 10 yds

• 1 to 30
• 15 to 30
• 30 to 15
• 15 to 10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the scale factor from the large triangle to the small triangle?

• 1/2
• 2/3
• 3/4
• 2

Tags

CCSS.7.G.A.1

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Tags

CCSS.7.RP.A.2B