Ratios Vocab

What is an equivalent ratio?

• Two rations that are not equivalent if you multiple them.

• Two ratios are equivalent if you can multiply each of the values in the first ratio by the same number to get the values in the second ratio.

•  A pair of parallel number lines showing equivalent ratios. The tick marks are labeled so that the marks that line up vertically are equivalent ratios.

• A whole number that divides evenly into the given number (with no remainder).

What is an equivalent ratio to 2/3?

• 4/6

• 4/9

• 6/9

• 20/33

What does a ratio show?

• The multiples of a number

• The factors of a number

• A table organizes information into horizontal rows and vertical columns. The first row or column usually tells what the numbers represent.

• A ratio a : b is a relationship between two quantities. For every a of the first, there are b of the second.

What is this diagram called?

• A tape diagram

• A table

• Graph

• Venn Diagram

True or false

 A tape diagram is a way to represent relationships between quantities (like ratios) as lengths of a tape. The entire tape diagram represents the whole and is divided to represent the parts.

• True

• False

This diagram shows how many gallons of blue paint and white paint there are. What is the ratio of blue to white paint?

• 8 blue: 12 white

• 64 blue: 16 white

• 12 blue: 20

• 12 blue: 8 white

A ratio that represents the relationship between two different parts

• part to whole ratio

• proportion

• unit rate

• part to part ratio

Two ratios are __________ if there is a nonzero number that can be multiplied by both quantities in one ratio to equal the corresponding quantities in the second ratio.

A set of numbers that associates two or more quantities.

• rate

• ratio

• proportion

• unit rate

The number of units of the first quantity in a ratio for every 1 unit of the second quantity. This is the numerical part of a rate.

• proportion

• part to part ratio

• unit rate

• independent variable