Instructional Video5:55
Curated Video

Identify Equivalent Numerical and Word Expressions

9th - 12th
In this video, the teacher helps students understand how to compare numerical and word expressions in a standardized math test question. They go through six answer choices and explain which three are correct, using order of operations...
Instructional Video3:04
Curated Video

Comparing Tenths and Hundreds: Identifying Equivalent Decimals

K - 5th
In this video lesson, students will learn how to identify equivalent decimals by comparing tenths and hundreds. They will understand the importance of considering both the numbers and the place values when determining equivalence.
Instructional Video2:36
Brian McLogan

How to determine if two ratios create a proportion

12th - Higher Ed
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Instructional Video4:06
Tarver Academy

How to Multiply Binomials

12th - Higher Ed
In This Episode, Tyler Teaches Us About How to Multiply Binomials
Instructional Video4:53
Curated Video

Evaluating the Accuracy of Descriptions of Mathematical Expressions

K - 5th
In this lesson, we learned how to evaluate the accuracy of written descriptions of mathematical expressions. We discovered that it is important to be specific and avoid descriptions that can apply to multiple expressions.
Instructional Video4:46
Curated Video

Multiplying by a Fraction Equivalent to One

K - 5th
In this video, students will learn how to multiply by a fraction equivalent to one without changing the value of the other factor. The concept is explained using visual models and examples.
Instructional Video2:01
Brian McLogan

Using proportions to solve a word problem with currency

12th - Higher Ed
👉 In this video, you will learn how to solve a word problem using proportions. To do this we will identify our unknowns as well as our ratio of terms. We will then proceed to set up a proportion and solve it.
Instructional Video4:57
Curated Video

Finding Equivalent Fractions Using a Number Line

K - 5th
In this video, a teacher demonstrates how to plot fractions on a number line and compares their distances to determine equivalence. The video also highlights the importance of understanding numerators and denominators in determining...
Instructional Video5:17
Curated Video

Subtracting Mixed Numbers Using Fraction Bars

K - 5th
In this video, students learn how to subtract mixed numbers using fraction bars. The teacher explains the concept of equivalent fractions and the importance of finding a common denominator.
Instructional Video5:22
Curated Video

Calculating Actual Lengths from Scale Drawings Using Ratios and Proportions

K - 5th
In this video, the teacher explains how to calculate the measurements for a scale model of the Parthenon using ratios and proportions. The lesson covers the concepts of ratios, proportions, corresponding sides in similar triangles, and...
Instructional Video4:18
Curated Video

Introduction to Alkanes and Alkenes: Chemical Formulas, Naming, and Differences

Higher Ed
This video provides an introduction to alkanes and alkenes, which are hydrocarbons that contain different types of carbon-carbon bonds. The video explains the general formula for these compounds and how to name them based on the number...
Instructional Video5:12
Curated Video

Writing Equivalent Expressions with Variables Using a Visual Area Model

K - 5th
In this video, the teacher explains how to write equivalent expressions with variables using a visual area model. They demonstrate how to break down and rearrange terms in an expression to create different equivalent expressions.
Instructional Video4:48
Curated Video

Writing Equivalent Expressions Using the Distributive Property

K - 5th
In this video, the teacher explains how to write equivalent expressions using the distributive property of multiplication over addition. They demonstrate how to separate parts of an expression using parentheses and distribute the...
Instructional Video2:41
Brian McLogan

Subtracting a Fraction from a whole number

12th - Higher Ed
Subtracting a Fraction from a whole number
Instructional Video3:37
Instructional Video3:14
Curated Video

Expanding Expressions: Rewriting and Equivalence

K - 5th
In this video, the teacher explains how to rewrite expressions by expanding them. Using examples and reviewing concepts like the commutative property, the teacher demonstrates how to break down and rearrange expressions to show their...
Instructional Video11:43
Weird History

Things You Didn't Know About the Tortured Life of Vincent van Gogh

12th - Higher Ed
Although it resulted in some of the most remarkable artwork ever created, the life of Vincent van Gogh was marked by poverty, loneliness, rejection, and mental illness. Vincent van Gogh's biography is sad enough on its own; that his...
Instructional Video3:27
Curated Video

Understanding the Additive Inverse and Equivalent Expressions

K - 5th
In this video, the teacher explains how to find the additive inverse of a number and how to use it to write equivalent expressions. They clarify common mistakes and emphasize the importance of thinking about the number line model.
Instructional Video4:17
Brian McLogan

Finding the rate of change from a graph

12th - Higher Ed
👉 Learn how to find the rate of change from graph. The rate of change is the rate at which y-values are changing with respect to the change in x-values. To determine the rate of change from a graph, a right triangle is drawn on the graph...
Instructional Video3:49
Curated Video

Comparing Fractions

K - 12th
Learn how to compare two area models representing fractions, and then use the appropriate comparison symbol to write the comparison statement.
Instructional Video4:31
Curated Video

Adding and Subtracting Mixed Numbers by Conversion to Improper Fractions

K - 12th
Add and subtract mixed numbers with equal denominators by conversion to improper fractions.
Instructional Video5:46
Curated Video

Understanding Scale Factors and Proportions

K - 5th
In this video, the teacher explains how to find the scale factor or constant of proportionality in an architect's scale. The concept of ratios, proportions, and scale factors is introduced, and division is used to determine the scale...
Instructional Video3:47
Curated Video

Converting Between Currencies and Finding Exchange Rates

K - 5th
In this lesson, students will learn how to determine the exchange rate between two different currencies and use it to convert amounts. They will solve proportions to find the exchange rate and apply it to calculate the amount of one...
Instructional Video5:19
Curated Video

Equivalent Fractions

K - 12th
Understanding the effect of multiplying by a fraction that equals to one.