# Math Video Lesson 4.1.1 - Definition of a Ratio

Welcome to our Math video lesson on Definition of a Ratio, this is the first video lesson of our suite of math video lessons covering the topic of Ratios, you can find links to the other video lessons, traditional online math lessons and access additional Math learning resources below the video.

## Lessons and Learning Resources for the Math Topic "Ratios"

In the Math video lesson "Definition of a Ratio" above we continued to explore and build on our knowledge of Ratios as part of our wider understanding of the math subject of Ratio and Proportion. In addition to the Definition of a Ratio video we also provide a written lesson as well as further detailed lessons and math examples, see below for further lessons with the Ratios tutorial set.

Ratio and Proportion Learning Material
Tutorial IDMath Tutorial TitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
4.1Ratios
Lesson IDMath Lesson TitleLessonVideo
Lesson
4.1.1Definition of a Ratio
4.1.2Ratio in a Number Line
4.1.3Finding the Fraction of One Quantity Out of the Total
4.1.4Part : Whole vs Part : Part Ratios
4.1.5Finding the New Ratio When One Quantity Changes
4.1.6Dividing a Given Ratio

## Whats next?

Enjoy the "Definition of a Ratio" definition? People who liked the "Definition of a Ratio" definition found the following resources useful:

1. Definition Feedback. Helps other - Leave a rating for this definition (see below)
2. Ratio and Proportion Math tutorial: Definition of a Ratio. Read the Definition of a Ratio math tutorial and build your math knowledge of Ratio and Proportion
3. Ratio and Proportion Video tutorial: Definition of a Ratio. Watch or listen to the Definition of a Ratio video tutorial, a useful way to help you revise when travelling to and from school/college
4. Ratio and Proportion Revision Notes: Definition of a Ratio. Print the notes so you can revise the key points covered in the math tutorial for Definition of a Ratio
5. Ratio and Proportion Practice Questions: Definition of a Ratio. Test and improve your knowledge of Definition of a Ratio with example questins and answers
6. Check your calculations for Ratio and Proportion questions with our excellent Ratio and Proportion calculators which contain full equations and calculations clearly displayed line by line. See the Ratio and Proportion Calculators by iCalculator™ below.
7. Continuing learning ratio and proportion - read our next math tutorial: Rates. Applications of Ratios and Rates in Practice