Curated Video
Dividing Unit Fractions by Whole Numbers Using a Model
In this video, students will learn how to divide unit fractions by whole numbers using a model. The teacher explains the concept of unit fractions and whole numbers, and then demonstrates how to divide fractions by drawing a rectangular...
Curated Video
Multiplying Whole Numbers and Fractions Using an Area Model
In this video, the teacher explains how to multiply a whole number by a fraction using an area model. They demonstrate the process using examples and show how to solve equations without the models as well. The video also includes a word...
Curated Video
Collecting and Organizing Measurement Data with a T Chart
In this lesson, students learn how to collect measurement data by organizing it on a T chart. They are taught how to measure using rulers and record measurements as mixed numbers. The T chart helps them organize the data by recording...
Curated Video
Converting Fractions to Repeating Decimals
In this video lesson, students learn how to convert fractions into repeating decimals and how to visually represent them. The teacher explains the concept using examples and a number line, demonstrating that repeating decimals only have...
Curated Video
Representing Fractions as Sums of Unit Fractions Using a Number Line
In this video, students learn how to represent fractions as a sum of unit fractions using a number line. The video explains that fractions represent exact numbers on a number line, and demonstrates how to divide the distance between 0...
Curated Video
Estimating the Addition of Fractions with Unlike Denominators Using Benchmark Fractions
In this video, the teacher explains how to estimate the addition of fractions using benchmark fractions. By visualizing 1/2 as a reference point, students can determine whether their answer should be larger or smaller than 1/2 based on...
Curated Video
Converting Fractions to Decimals: Using Division
In this video, the teacher explains how to rewrite fractions as decimals using division. They provide examples and explain common mistakes to avoid. The video also touches on repeating decimals and rounding, providing a comprehensive...
Curated Video
Comparing Fractions Using the Benchmark Fraction 1/2
This lesson covers the importance of both the numerator and denominator in understanding the size of a fraction. Through visual representations, such as area models and number lines, the teacher demonstrates how to compare fractions to...
Curated Video
Converting Unit Fractions to Terminating Decimals
In this video, the teacher explains how to convert unit fractions into terminating decimals using the standard algorithm for division. The teacher provides two strategies for finding the decimal form of a unit fraction: finding an...
Curated Video
Showing Fractions on a Number Line
In this video, students learn how to show fractions on a number line by dividing the line into equal parts. The teacher uses examples of dividing a candy bar and measuring a distance to explain the concept.
Curated Video
Multiplying Fractions by Fractions: Using Visual Representations
In this video, the teacher explains how to multiply fractions by fractions using visual representations. The example used is dividing a half of a candy bar into four equal parts to determine how much should be eaten each day.
Brian McLogan
Adding two functions and finding the domain rational and radical
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Curated Video
Cracking Hydrocarbons: How and Why We Do It
The video discusses the process of hydrocarbon cracking and its purpose, which is to convert heavier, longer chain hydrocarbons into smaller chain hydrocarbons. The video explains two ways to crack hydrocarbons: catalytic cracking and...
Curated Video
Multiplication and the Distributive Property
This video introduces the concept of the distributive property and shows how it can be used to solve multiplication problems. It explains the common mistake of not distributing the number outside the parentheses to all the numbers inside...
Curated Video
Dividing Whole Numbers by Unit Fractions
In this video, the teacher explains how to divide a whole number by a unit fraction. They demonstrate the concept using examples and visuals, emphasizing the idea of dividing a whole into equal-sized pieces.
Curated Video
Counting Fractions of One Whole Using Fraction Strips
This video provides examples of partitioning different shapes into equal shares and counting the fractions. It emphasizes the importance of equal-sized shares when determining fractions and demonstrates how to write fractions using...
Curated Video
Finding Fractional Parts of a Whole: Using Diagrams and Measurement Scales
In this video lesson, students learn how to find fractional parts of a whole by representing distance measurements using diagrams and measurement scales. The teacher explains the concepts of numerators and denominators in fractions, and...
Curated Video
Multiplying Fractions with Fractions: Finding Parts
In this lesson, mathematicians will learn how to multiply fractions with fractions by understanding that it represents finding a part of a part. By using visual representations and examples, students will grasp the concept of multiplying...
Curated Video
Comparing Fractional Pieces with Different Shapes
This video explains how fractional pieces that have different shapes can still be equivalent. By using cake models, the teacher demonstrates that one fourth of a rectangle and one fourth of a triangle are both equal to one fourth of a...
Curated Video
Multiplying a Whole Number by a Fraction
In this video, students learn how to multiply a whole number by a fraction by understanding it as repeated addition. The teacher explains the concept using examples and visuals, showing how to solve multiplication problems involving...
Curated Video
Measuring Angles Using Fractions of a Circle
This video lesson teaches students how to measure angles using fractions of a circle. It explains the concept of angles and right angles, and demonstrates how to use a sprinkler on a field to visualize and calculate angle measurements....
Why U
Pre-Algebra 32 - Irrational Numbers
Although the Greeks initially thought all numeric qualities could be represented by the ratio of two integers, i.e. rational numbers, we now know that not all numbers are rational. How do we know this?
Brian McLogan
How to add, subtract, multiply and divide fractions, 2/3 + 3/5
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Curated Video
Dividing Fractions by Whole Numbers
In this video, the teacher explains how to divide a fraction by a whole number by thinking about equal groups. Using the example of dividing apples, the teacher demonstrates that dividing fractions by whole numbers requires understanding...