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Curated Video
Exploring the Inverse Relationship between Multiplication and Division with Fractions
In this lesson, students will explore the inverse relationship between multiplication and division as it relates to fractions. They will learn how to use fact families to check their answers and understand that the inverse relationship...
Curated Video
Using Additive Inverses to Solve Equations
In this video, the teacher explains how to solve equations in one variable by using the properties of equality and additive inverses. The concept of additive inverses is introduced, which are numbers that, when added to another number,...
Curated Video
Solving Equations with Inverse Operations
In this video, the teacher explains how to solve equations of the form a divided by b times x equals c using inverse operations. The teacher demonstrates step-by-step examples and emphasizes the importance of applying inverse operations...
Curated Video
Solving Equations Using Properties
In this video, the teacher explains how to solve equations using properties to justify each step. They cover properties such as the distributive property, associative property, and multiplicative inverse property. The teacher provides...
Curated Video
Solving Equations and Formulas: Finding Missing Values
In this video, the teacher explains how to solve for missing values in formulas by inputting variable values and using inverse operations. The examples given include finding the diameter of tires, solving for the height of a rectangular...
Curated Video
Dividing Rational Expressions
In this video, the teacher explains how to divide rational expressions by making connections to dividing fractions. They review the concept of dividing fractions and then apply the same principles to dividing rational expressions.
Curated Video
Solving Equations Involving Squares and Square Roots
In this video, the teacher explains how to solve equations involving squares and square roots. They emphasize the concept of inverse operations and demonstrate how to isolate variables by applying these operations. They provide examples...
Curated Video
Solving Equations Using Properties and Justification
In this video, the teacher explains how to solve equations without using a balance scale. They introduce properties such as symmetry, additive inverse, and multiplicative inverse to justify each step.
Curated Video
Division by Subtracting Equal Groups
In this video, students learn how to solve division problems by subtracting equal groups. The teacher explains the concept of division as repeated subtraction and demonstrates how to use this strategy to find the quotient.
Curated Video
Solving Equations Using a Balance Scale
In this lesson, students learn how to solve simple equations using the concept of balance. By using a balance scale analogy, they understand the importance of adding the same value to both sides of the equation to maintain balance.
Curated Video
Introduction to Evaluating Logarithms Using Exponentials
In this video, the teacher explains the concept of inverses in functions and focuses on exponential and logarithmic functions. They discuss how the x and y values switch in inverse functions and demonstrate the reflection of graphs over...
Flipped Math
Unit 7 Review: Right Triangles
It is all right to spend some time with a review. After watching a short review video covering the materials from the unit, pupils work through 23 review problems. Scholars work on problems involving the Pythagorean Theorem and its...
Flipped Math
Inverse Trig Ratios
Put trigonometric ratios into inverse. Scholars learn how to find an unknown angle in a right triangle by using inverse trigonometric ratios. The pupils understand how the inverses undo a trigonometric ratio to provide the angle measure....
Flipped Math
Reasoning and Proof
Make sure the conditions are right. Pupils watch a video introducing conditional statements and their related statements. Learners find out how to identify the hypothesis and conclusion as well as write the converse, inverse, and...
Flipped Math
Unit 2 Review: Reasoning and Proofs
The proof is in the review. Individuals watch a short review of the content from the unit to prepare for the unit exam. The review covers inductive reasoning, conditional and related statements, and two-column algebraic and geometric...
Art of Problem Solving
Introduction to Division
Use reciprocals for the purpose of division. The video shows how to use reciprocals to rewrite division problems. Pupils see that the definition of division as the multiplication by the reciprocal works for all types of numbers.
PBS
Math with Jake: Inverse Relationships
Use math to become pitch perfect. Music incorporates various aspects of mathematics. A musician/composer demonstrates the inverse relationship between the length of string and the ratio of the notes in a delightful video. The musician...
CK-12 Foundation
Converse, Inverse, and Contrapositive: Lesson
Is it true? Use an inquisitive resource to find the truth of related statements. Using short-hand notation, the video shows how to write the converse, inverse, and contrapositive of a conditional statement. The segment a larger geometry...
Teacher's Pet
Direct and Inverse Relationships
How can your class determine the relationship between experimental data? Learners discover how to express direct and inverse relationships through examples and sample problems in a video. The narrator takes data from tabular to graphical...
Curated OER
What are the Legs and Hypotenuse of a Right Triangle?
What are all the parts of a right triangle called? What makes it a right triangle? Legs? Triangles have legs? Hypotenuse? Pythagorean Theorem? The instructor diagrams and identifies all the parts of a right triangle for you.
Curated OER
How Do You Find a Missing Side of a Right Triangle Using Cosine?
Trigonometry? What's trigonometry. Well, something to do with triangles, right? Right! Right triangles! In this problem, find the missing length of one of the sides. So set this up as a ratio: cosine(A) = adjacent side length divided by...
Curated OER
What are Vertical Angles?
What makes vertical angles so special? Here's a few words that might help you figure out why: intersecting lines, congruent angles, opposite, supplementary angles. Still wondering? Then watch this video for a good explanation of vertical...
Curated OER
What is a Rectangle?
What are the characteristics and properties of a quadrilateral that make it a rectangle? Four sides? Right angles? Parallel sides? Watch this video and follow along as the instructor explains the terms and properties that make a...
Khan Academy
Khan Academy: Algebra: Recognizing Direct and Inverse Variation
Video showing how to manipulate sample equations to see if they represent direct or inverse variation or neither. Gives examples of values that make the equations true to explore further what is happening with the equations. Includes...