Math Fill in the blank

A comparison of two numbers by division; also a fraction.

• extremes
• scale
• ratio
• percent of change

An equation stating that two ratios (fractions) are equal.

• proportion
• ratio
• rate
• means

The middle terms of a proportion.

• percent of change
• means
• extreme
• unit rate

The first and last (end) terms of a proportion.

• unit rate
• rate 
• means
• extreme

The ratio of two measurements having different units of measure.

• rate
• percent of change
• unit rate
• ratio

A rate that tells now many of one item is being compared to just 1 of another item.

• unit rate
• ratio
• extreme
• mean

The relationship between the measurements on a drawing or model and the measurements of the real object.

• percent of change
• extreme
• scale
• proportion

The ratio of the change in an amount to the original amount expressed as a percent.

• ratio
• proportion
• percent of change
• scale