# Ratios, Rates, and Proportions Vocabulary

### 10 terms by ConcourseC

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Vocabulary Math

### Ratio

A comparison of two quantities by division

### Rate

A ration that compares two quantities measured in different units

### Proportion

An equation that states that two ratios are equivalent

### Converstion Factor

A fraction whose numerator and denominator represent the same quantity but use different units; the fraction is equal to 1 because teh numerator and denominator are equal. Example 24 Hours/1 Day or 1 Day/24 Hours

### Surface Area

The sum of areas of the faces, or surfaces, of a three-dimensional figure

### LW

Formula for Area of a rectangle. A=__x__

### 4S

Formual for perimeter of a Square. P=_x__

### LWH

Formula for volume of a rectangular prism. V= __x__x__

### Numerator

The top number of a fraction that tells how many pats of a whole are being considered

### Denominator

The bottom number of a fraction that tells how many equal parts are in the whole

Example: