Comparing Scale Images with Ratios

scale factor

• A scale written as a ratio without units in simplest form

• A unit rate where the denominator is one unit.

• An equation that states that two ratios are equal

• Two ratios that describe the same relationship

ratio

• A comparison of two quantities by division

• A technique of problem-solving that uses the units that are part of a measurement to help solve the problem

• to multiply or divide two related quantities by the same number

• A scale written as a ratio without units in simplest form

equivalent ratios

• Two ratios that describe the same relationship

• to multiply or divide two related quantities by the same number

• An equation that states that two ratios are equal

• A ratio comparing two quantities with different kinds of units

Ratios that be scaled up or down to the same quantities are called

• ratio equals

• ratio table

• equivalent ratios

• equals

This line scale written as a ratio scale would be....

• 1:100 000 000

• 1:200 000 000

• 1:2000

• 1: 2 000 000

• 2: 100 000 000

example 0,1

Which of these scales is equivalent to the scale 1 cm to 5 km? Select all that apply.

• 3 cm to 15 km

• 1 mm to 150 km

• 5 cm to 1 km

• 5 mm to 2.5 km

• 1 mm to 500 m

Multiplying or dividing two related quantities by the same number is called _________

• Ratio

• Scaling

• Equivalent ratios

• Ratio table

Which word goes best describes the following: 3 : 5

• ratio

• constant

• coordinate plane