Chapter 5 Vocabulary

Front

Constant

Back

A value that does not change; also referred to as Constant of Proportionality.

Tags

CCSS.7.RP.A.2B

Front

Constant of Proportionality

Back

A constant ratio of two variables related proportionally that can be represented through an equation (y=kx), a table, or a graph.

Tags

CCSS.7.RP.A.2B

Front

Conversion Factor

Back

A fraction used in unit conversion in which the numerator and denominator represent the same amount, but are in different units. For example, 12 in / 1 ft.

Tags

CCSS.2.MD.A.2

Front

Equivalent Ratios

Back

Fractions or ratios that name the same amount or part.

Tags

CCSS.6.RP.A.3A

Front

Proportion

Back

An equation that states that two ratios are equivalent.

Tags

CCSS.7.RP.A.2A

Front

Proportional Relationship

Back

A relationship between two quantities in which the ratio of one quantity to the other quantity is constant. Proportional relationships can be represented in equations (y=kx), tables, or graphs. For a graph to be proportional, it must have a straight line that passes through the origin.

Tags

CCSS.7.RP.A.2B

Front

Rate / Rate of Change

Back

A ratio that compares two quantities measured in different units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Ratio

Back

A comparison of two quantities by division.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Scale

Back

A ratio that compares the measurements of a drawing or model with the actual measurements.

Tags

CCSS.7.G.A.1

Front

Scale Drawing

Back

A proportional, two-dimensional drawing of an object; a blueprint or map.

Tags

CCSS.7.RP.A.2C