<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Ratios

## Comparisons of two numbers, measurements, or quantities.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Expressing Quantities as Ratios - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios of Three or More Quantities - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
1
• Video

## Writing Ratios as Fractions and Vice Versa - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding the Ratio and Comparing the Relative Size of Quantities - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
1
• Video

## Finding Terms and Totals Given a Ratio of Two Whole Numbers - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Three Whole Numbers - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Two Fractions - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Changing Two Ratios into a Three-Term Ratio - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Ratios as Fractions in Simplest Form

by CK-12 //basic
Learn how to switch between ratios and fractions in their simplest form.
MEMORY METER
This indicates how strong in your memory this concept is
2
• Video

## Comparing Ratios Word Problems - Overview

by CK-12 //basic
Overview
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Expressing Quantities as Ratios - Example 1

by CK-12 //basic
Express two quantities as a ratio
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Expressing Quantities as Ratios - Example 2

by CK-12 //basic
Write a ratio three ways
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Expressing Quantities as Ratios - Example 3

by CK-12 //basic
Express two measurements as a ratio
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Expressing Quantities as Ratios - Example 4

by CK-12 //basic
Express a quantity and a total as a ratio
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Expressing Quantities as Ratios - Example 5

by CK-12 //basic
Write ratios of two or three quantities
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios of Three or More Quantities - Example 1

by CK-12 //basic
Express quantities and totals as a ratio
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios of Three or More Quantities - Example 2

by CK-12 //basic
Write ratios when quantities are multiples of other quantities
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Comparing Ratios Word Problems - Example 1

by CK-12 //basic
Compare the two ratios
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Comparing Ratios Word Problems - Example 2

by CK-12 //basic
Compare the three ratios
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios as Fractions and Vice Versa - Example 1

by CK-12 //basic
Write the ratio as a fraction
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios as Fractions and Vice Versa - Example 2

by CK-12 //basic
Write the ratio as a fraction - word problems
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios as Fractions and Vice Versa - Example 3

by CK-12 //basic
Write the fraction as a ratio
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios as Fractions and Vice Versa - Example 4

by CK-12 //basic
Write the fraction as a ratio - word problems
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Writing Ratios as Fractions and Vice Versa - Example 5

by CK-12 //basic
Express the two quantities as a ratio and write as a fraction
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding the Ratio and Comparing the Relative Size of Quantities - Example 1

by CK-12 //basic
Determine how many times larger one quantity is compared to the other
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding the Ratio and Comparing the Relative Size of Quantities - Example 2

by CK-12 //basic
Determine how many times larger and smaller two quantities are compared to each other
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding the Ratio and Comparing the Relative Size of Quantities - Example 3

by CK-12 //basic
Write as a fraction and determine how many times larger one quantity is compared to the other
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding the Ratio and Comparing the Relative Size of Quantities - Example 4

by CK-12 //basic
Determine the relative size of one quantity compared to a total
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding the Ratio and Comparing the Relative Size of Quantities - Example 5

by CK-12 //basic
Compare the relative sizes of quantities - three term ratios
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Two Whole Numbers - Example 1

by CK-12 //basic
Given one term and a ratio, find the other term
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Two Whole Numbers - Example 2

by CK-12 //basic
Given one term and a ratio, find the total amount
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Two Whole Numbers - Example 3

by CK-12 //basic
Given the total amount and a ratio, find each term
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Two Whole Numbers - Example 4

by CK-12 //basic
Given one term and a ratio, find the other term and use it to solve a word problem
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Three Whole Numbers - Example 1

by CK-12 //basic
Given the total amount and a ratio, find each term
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Three Whole Numbers - Example 2

by CK-12 //basic
Given two terms, a ratio, and a total amount, find the missing term
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Two Fractions - Example 1

by CK-12 //basic
Given one term and a ratio of fractions, find the other term
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Finding Terms and Totals Given a Ratio of Two Fractions - Example 2

by CK-12 //basic
Given the total amount and a ratio of fractions, find each term
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Changing Two Ratios into a Three-Term Ratio - Example 1

by CK-12 //basic
Solving word problems by changing two-term ratios into a three-term ratio
MEMORY METER
This indicates how strong in your memory this concept is
0