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GCSE Maths - How to Convert Ratios into Fractions #83
This video covers: - How to write ratios as fractions - We cover both part to whole and part to part fractions This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE...
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Why turkey is hard to cook
Here's why cooking a turkey is so hard - and how brining can help.
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Converting Measurements: Inches & Centimeters | 6.RP.A.3
In this math video we will be converting measurements: inches to feet and inches to centimeters. We will solve this two part question using conversion ratios to write equivalent ratios, also known as a proportion. We will review how to...
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How to Write a Proportion | 7.RP.A.2
In this math video we will learn how to write a proportion. We will understand that a proportion represents to equivalent ratios. In the given problem we will compare a given quantity to the cost. We will compare two different quantities...
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Using a Real World Ratio | 6.RP.A.3
In this math video we will be using a real world ratio. We will interpret the given information to write a real world ratio. We will use equivalent ratios to write a proportion. We will use the concept of equivalency to identify the...
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Determine the Unit Rate-Cost for ONE | 6.RP.A.2
In this math video we will determine the unit rate or cost for one. We will begin by understanding that unit rate is the cost for 1. We will write an ratio using the given information. We will write a proportion to determine a second...
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How to Use a RATIO | 6.RP.A.3
In this math video we will learn how to use a ratio. We will be given a ratio of mass to volume. We will review how to write a ratio and how to write a proportion using equivalent ratios. We will use the given information and identify...
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How to Find & Use Unit Rate | 7.RP.A.1
In this math video we will solve a four part constructed response question where we discover how to find & use unit rate. We will use equivalent ratios, proportions, Cross Product Property, and write & use an equation to solve each of...
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Find Unit Rate | 6.RP.A.2
In this math video we will find unit rate. We will be presented with a real world rate. We will understand the unit rate is per 1. We will write the rate as a ratio. We will write a proportion. We will solve for the missing unit per 1...
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Write a Proportion Using Scale | 7.RP.A.2
In this math video we will write a proportion using scale. We will be presented with a scale of a drawing to an actual dimension of a room. We will use the scale ratio to write and identify a proportion. We will understand that a...
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Percent (or Part) of a Whole | 6.RP.A.3
In this math video we will find the percent (or part) of a whole. We will rewrite a word phrase to a mathematical expression. We will break the percent into smaller parts. We will find the percent of the whole to determine a specific...
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Using Equivalent Ratios to Find Unit Rate | 6.RP.A.2
In this math video we will use equivalent ratios to find unit rate. We will be presented with a real world situation and asked to find the cost for one item when given the cost for three items. We will understand the unit rate is the...
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Space Junk: a Growing Threat to Satellites and Spacecraft
This video discusses the issue of space debris, including rockets and other objects left in Earth's orbit. The European Space Agency tracks thousands of individual pieces of junk to prevent collisions with operational satellites. The...
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Ratio Relationships: Quantities
Ratio Relationships: Quantities" uses ratio language to describe a ratio relationship between given quantities.
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Percent and Ratio
"Percent and Ratio" models how to write a given percent as a rate over 100, then reduce it to find the ratio.
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Ratios 3 Ways & Simplified! | 6.RP.A.1
In this math video we will discuss ratios 3 ways & simplified. We will be presented with a real world situation and asked to represent the ratio of part to part and part to whole. We will need to simplify the ratios to identify the...
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Gear Train Design - How to calculate gear trains mechanical engineering
Gear train design, how to design and calculate gear trains velocity, ratio, direction and torque.
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Gears Explained - mechanical engineering
Gears explained. Learn what are gears, driver gear and driven gear, gear ratios, why we need gears, torque and mechanical advantage in this video on mechanical engineering.
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Solve Unit Rate Problems
Solve Unit Rate Problems solves unit rate problems that involve unit pricing by identifying the number of units and price of one.
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Proportion Problems
"Proportion Problems" shows how to solve for the unknown value in proportions by comparing their equivalent values on number line diagrams.
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Writing a Ratio as a Percent
"Writing a Ratio as a Percent" uses multiplication to show the percent of a ratio as a rate per 100.
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Writing Ratios: m and ft.
Writing Ratios: m and ft. converts between meters and feet to solve four given word problems by writing ratios.
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Writing Ratios: cm and in.
Writing Ratios: cm and in. converts between centimeters and inches to solve given word problems by writing ratios.
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Order for Rational Numbers
Order for Rational Numbers writes, interprets, and explains statements of order for rational numbers in real-world contexts.