Khan Academy
Introduction to Solving an Equation with Variables on Both Sides, Algebra I
Sal illustrates more involved equations in this last video in a series. It follows "Simple Equations" and "Equations 2". He continues using color-coded markings to help increase students' understanding of a more complicated equation:...
Curated OER
Equations 2
"Equations 2" is the second video in this series. It follows the presentation titled "Simple Equations." This presentation shows how to solve slightly more complicated algebraic equations, like Ax+B=C. Sal uses visuals (like a number...
Khan Academy
Algebra: Linear Equations 4
This is a lesson in solving linear equations. More specifically, students will see how to solve an equation with a variable expression in the denominator of a fraction.
Khan Academy
How to Solve equations of the Form ax = b, Linear Equations, Algebra I
Sal dissects basic algebraic equations of the form Ax=B. He encourages viewers to fully understand the equations before learning how to manipulate them. Furthermore, he teaches students how to solve the equations systematically. The...
Khan Academy
Example 2: Finding the Square of a Binomial with One Variable, Algebra I
Sal demonstrates what not to do when simplifying a squared binomial. Next, he clarifies why they can't square each term individually and then add them. He uses his incorrect example as a starting point to demonstrate how to simplify a...
Corbett Maths
Algebraic Proof
Proofs do not exist only in geometry. The video shows the class different ways that proofs appear in algebra. Pupils work through a variety of algebraic proofs involving the divisibility of an algebraic expression or whether it is even...
Mathispower4u
Write and Evaluate a Variable Expression for Total Cost (ax+b)
It's just the cost of the game. Using a two-part example, the presenter writes an expression to determine the amount friends spend to attend a game. The video shows the total amount they spend when given the cost of each ticket.
Mathispower4u
Write and Simplify a Variable Expression for Age (ax+b)
Age is just a number. The resource develops a multi-step expression to represent a person's age. Using the video, the presenter creates expressions for the age of four different people that build upon each other. The final age requires...
Mathispower4u
Writing Basic Algebraic Expressions (Example 2)
Just how much farther? A helpful video provides an example in determining an algebraic expression involving distance traveled. Graphics provide an illustration to demonstrate how to find the remaining distance to travel given a known...
Socratica
Chemistry: Balancing Chemical Equations—Algebraic Method
If you love algebra, then you're gonna love this balancing method! Introduce young chemists to the algebraic method of balancing chemical equations using a video from an informative chemistry playlist. The narrator works five...
Math Antics
What Is Algebra?
Simply defined, algebra is arithmetic involving an unknown. The video introduces algebra by making the connection to arithmetic. Using examples, the presentation explains the use of variables and notation. The resource previews graphing...
Krista King Math
Complex Fractions
Complex fractions are fractions divided by fractions—complicated, right? The video introduces the class to algebraic complex fractions. With the introduction to variables in the denominator, it is important make sure the denominator is...
Krista King Math
Like Terms, Addition and Subtraction
It is not good enough to have the same variable, they must have the same exponents too. The video introduces the class to like terms, while giving the definition of like terms and providing examples of combining like terms through addition.
Krista King Math
Symbols of Inclusion
Tip—start with the inner most nested grouping symbol. The resource provides an explanation of the conventional method in nesting grouping symbols and using parentheses, brackets, and braces. The video provides two examples, one involving...
FuseSchool
Algebraic Notation—Introduction to Algebra
Letters can be numbers, but numbers can't be letters. Viewers learn how to use variables in algebraic expressions. It shows the use of variables in conjunction with different operations.