Proportions Vocabulary

An equation stating that two ratios are equal.

• Proportion

• Congruent

• Unit RAte

• Scale FActor

A comparison of two quantities using the word to, for every/each, or a colon :.

• Ratio

• Rate

• Quantity

• Scale Factor

A comparison of two numbers by division.

• Rate

• Unit Rate

• Ratio

• Corresponding Sides

Ratios that have the same value.

• Scale Factor

• Equivalent Ratio

• Corresponding Sides

• Rate

• A

• B

• C

• D

When all ratios are equivalent (equal)

• Proportional Relationships

• Unit Rate

• Ratio Table

• Simplify

Figures that have the same shape but different sizes; their sides are proportional, and their corresponding angles are equal.

• Scale Factor

• Similar Figures

• Umit Rate

• Equivalent Ratios

Sides that have the same relative position in geometric figures and are proportional.

• Scale Factor

• Similar Figures

• Scale Drawing

• corresponding sides

In a proportion the numbers diagonally across from each other are multiplied together.

• Cross Products

• Unit Rate

• Rate

• Scale Drawing

A common ratio for pairs of corresponding sides of similar figures.

• Scale Factor

• Rate

• Scale Drawing

• Cross Products