Ratios, Equivalent Ratios, Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 2:5), as a fraction (e.g., 2/5), or in words (e.g., '2 to 5').

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different (e.g., 2:5 is equivalent to 4:10).

Front

How can you find equivalent ratios?

Back

You can find equivalent ratios by multiplying or dividing both terms of the ratio by the same non-zero number.

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios.

Front

If the ratio of red pens to blue pens is 2:5 and there are 40 blue pens, how many red pens are there?

Back

There are 16 red pens.

Front

What is the first step to solve a ratio problem?

Back

Identify the quantities involved and their relationship as expressed in the ratio.

Front

How do you solve for a missing value in a ratio table?

Back

Use the known ratios to set up a proportion and solve for the missing value.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, and they represent the same concept of comparison between two quantities.

Front

What is the purpose of using tape diagrams in ratio problems?

Back

Tape diagrams visually represent ratios and help in understanding the relationship between quantities.