Instructional Video8:02
Curated Video

Identifying Proportional Relationships

9th - Higher Ed
In this video, I’ll show you *two easy methods* to determine whether two ratios (or even a whole table of values) are proportional: ✅ *Simplifying Ratios* – Reduce each ratio and compare! ✅ *Cross Products Property* – Multiply across and...
Instructional Video5:05
Curated Video

GCSE Maths - Simplifying Harder Ratios (Decimals, Mixed Units and 1:n) - Part 2 #82

9th - Higher Ed
This video covers:

- How to simplify more complicated ratios inclu
ding:
- Ratios with decimals in e.g.
1.5 : 4.5
- Ratios with mixed units e.
g. 1.6cm : 12mm
- Simplifying to the form 1:n e.g. simplify 3 : 2

0 to...
Instructional Video5:53
Curated Video

GCSE Maths - How to Scale Up Ratios #84

9th - Higher Ed
This video covers:

- How to scale up r
atios
- For example how would we scale up 2:3 to fin

d a in 8:a

This video is suitable for maths cours
es around the world.

KS3 - All on your course
GCSE Fo
undation -...
Instructional Video4:37
Curated Video

GCSE Maths - What are Ratios & How to Simplify Them (Part 1) #81

9th - Higher Ed
This video covers:

- How ratios work and how to find ra
tios
- How to simpli

fy ratios

This video is suitable for maths cours
es around the world.

KS3 - All on your course
GCSE Fo
undation - All on your...
Instructional Video3:58
Khan Academy

Introduction to Ratios, Ratios, Rates, and Percentages, 6th Grade

7th - 9th
Demonstrating the concept of ratios with several simple examples (animals, fruit, girls and boys in class), Sal guides viewers through finding and simplifying ratios. Even those who have difficulty grasping the concept of ratios will...
Instructional Video1:31
Curated OER

Simplifying Ratios

5th - 8th
The teacher demonstrates how to simplify, reduce, and put a ratio into simplest terms.
Instructional Video
Khan Academy

Khan Academy: Algebra: Ratio Problems With Basic Algebra

9th - 10th Standards
A step-by-step breakdown on how to solve ratio problems using algebra. Practice problems available. [5:12]
Instructional Video
Khan Academy

Khan Academy: Algebra: Finding Unit Prices

9th - 10th Standards
A short video with an explanation on how to find a unit price from a real-world application problem. This video also appears in the strand Arithmetic and Pre-Algebra: Ratios and Proportions. [2:01]
Instructional Video
Khan Academy

Khan Academy: Algebra: Ratios as Fractions in Simplest Form

9th - 10th
Short video demonstrating how to write a ratio as a fraction in the simplest form by finding the greatest common factor. This video also appears in the strand Arithmetic and Pre-Algebra: Ratios and Proportions. [1:19]
Instructional Video
Khan Academy

Khan Academy: Ratios With Algebra: Ratio Problem With Basic Algebra

9th - 10th Standards
A step-by-step breakdown on how to solve ratio problems with algebra.
Instructional Video
Sophia Learning

Sophia: Simplifying Ratios Tutorial

6th - 8th
Explore a part to whole approach of simplifying ratios with this video. Take a quiz after the tutorial to assess what was learned.
Instructional Video
Khan Academy

Khan Academy: Rates: Finding Unit Prices

9th - 10th Standards
A short video with an explanation on how to find a unit price from a real-world application problem. [2:01]
Instructional Video
Loyola University Chicago

Math Flix: Population Growth Using Ratio

3rd - 8th Standards
This QuickTime movie explains a solution to a problem using ratios. The teacher and student discuss how to work through it together to find the solution. As you watch and listen to them interact it helps clarify the thinking behind...