Unit 2: Rate, Ratio, and Proportional Reasoning Using Equivalent Fractions

A fraction or ratio expressed as a number out of 100 followed by the % symbol.

Percent

An equation which states that two ratios are equal

Proportion

is an amount that can be counted or measured

Quantity

A comparison or ratio of two quantities that have different units of measure

Rate

the comparison of two values of the same kind, which may be written as a to b, a:b or as a fraction a/b.

Ratio

All integers, fractions, repeating decimals and terminating decimals. A number that can be written as a/b where a and b are integers, but b is not equal to 0.

Rational number

A thinking tool used to visually represent a mathematical problem and transform the words into an appropriate numerical operation. Tape diagrams are linear drawings that look like a segment of tape, used to illustrate number relationships.

Tape diagram

A ratio written as some number to 1.

Unit Rate