Curated Video
Substitution Property - How To Solve 3m = n - 7
Welcome to Math Defined with Mrs. C. - Math Confidence-Boosting Math Practice - Substitution Property - How To Solve 3m = n - 7 with Set Values of n={-2, 1, 4} In this video, I will show you how to solve the equation 3m = n - 7, to...
Curated Video
How to Solve Algebraic Expressions by Using Substitution and Order of Operations
In this video, the teacher demonstrates how to evaluate algebraic expressions by using the substitution property to replace variables with given values. The examples cover simple expressions as well as more complex ones, guiding students...
TMW Media
Geometric Proofs: The properties of proofs
What are the 9 properties you can apply to proofs? What else can you apply to proofs? Geometric Proofs, Part 3
Curated Video
Proving Angle and Side Length Properties of Parallelograms
In this video, we learn how to find the measures of angles in a parallelogram using parallel lines and triangle congruence theorems. We discover that consecutive interior angles are supplementary, and opposite angles are congruent.
Curated Video
Proving the Concurrency of Medians Theorem
In this lesson, students will learn how to prove the concurrency of medians theorem using parallel lines and properties of similar triangles. They will explore the concept of medians, midsegments, and midpoints in triangles, and...
Brian McLogan
Learn how to write an algebraic proof
👉 Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Curated Video
Proving Angle Relationships in Triangles
Learn how to find the measure of angle A in a triangle when angle B is given as 40 degrees. This lesson covers the concepts of congruent angles, parallel lines, and side-angle-side congruence. Watch a demonstration of how to prove the...
Curated Video
Proving the Triangle Midsegment Theorem using Triangle Similarity
In this video, we learn how to find the length of the midsegment of a triangle by using properties of triangle similarity. The video provides a step-by-step explanation and proof of the triangle midsegment theorem.
Sophia Learning
Sophia: Defining the Substitution Property of Equality
The substitution property of equality is described in this video lesson. The tutorial provides several examples.
Sophia Learning
Sophia: Using the Substitution Property of Equality
Evaluate an algebraic expression by using the substitution property of equality. Assess learning with a quiz.