Unit 2: Introducing Ratios Vocab

Associates two or more quantities. Can be described in words such as “3 to 2” and “3 for every 2” and “3 parts to 2 parts”. Can also be written with symbols like this- 3:2. 

• Equivalent ratios

• Proportion

• Ratio

• Unit Rate

Two ratios a:b and c:d are equivalent if there is a number that you can multiply both a and b by to get c and d.

• Ratio

• Table

• Factor

• Equivalent Ratios

Tags

CCSS.6.RP.A.3A

A set of 2 number lines with the zeros aligned. Other tick marks are aligned to represent equivalent ratios.

• Tape Diagram

• Double Number Line

• Unit Rate

• Reciprocal

Tags

CCSS.7.RP.A.2D

Means “for each.” Example: he paid $5 for each ticketm so the cost was $5 _____ ticket.

• Per

• Each

• Unit price

• Table

The cost for one item or one unit of measure.

• Unit Price

• Unit Rate

• Ratio

• Proportion

A way to organize information. The horizontal set is called a row. The vertical set is called a column. The first row often contains headers to explain what information is in each column. 

• Graph

• Ratio

• Table

• Tape Diagram

Can be used to represent a ratio between two quantities measured in the same units. It is composed of one or more rectangles that are split into equal parts. Each part represents a value.  

• Double Number Line

• Tape Diagram

• Numerator

• Denominator

A number that divides another number evenly. (no remainder)

• Fraction

• Denominator

• Factor

• Proportion

A ratio between two units where the second rate is 1.

• Unit Price

• Unit Rate

• Per

• Reciprocal

An equation in which two ratios are set to equal to each other. 

• Proportion

• Reciprocal

• Meters per second

• Factor