TED-Ed
Four Ways to Understand the Earth's Age
Cartoon children compare the earth's age to timescales that we understand:a calendar year, the thickness of a book, the human lifespan. This smart film clip is definitely worth adding to your geologic timescale lesson! If you subscribe...
Mathispower4u
Problem Solving with Equations
Having problems with problem solving? Here's a video for you! Pupils watch an informative YouTube video that describes how to set up and solve equations for a given situation. It shows each step in the problem-solving process for several...
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...
Scholastic
Study Jams! Addition & Subtraction Equations
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
Curated OER
Study Jams! Creating Equations from Word Problems
Word problems are full of information waiting to be deciphered. This animated video explains how to look for the important parts and how to translate those word cues into the correct signs. Go through a problem from start to finish and...
Mathispower4u
Write Algebraic Expressions for Applications
Algebra makes the world go round; well, not really, but it does make problems easier. An informative YouTube video shows how to write algebraic expressions. Contexts include both mathematical and real-world problems, such as perimeter,...
Mathispower4u
Writing Algebraic Expressions Involving Percents of An Amount
Perhaps you want to learn about percents in algebraic expressions? Young mathematicians view an informative video that teaches how to write algebraic expressions. These problems all involve contexts involving percents, such as tips,...
Khan Academy
Khan Academy: Algebra: New Operator Definitions
This video demonstrates how to evaluate expressions when a symbol is given rather than an addition, subtraction, multiplication or division sign. It provides four examples and utilizes variable substitution. Practice problems available....
Khan Academy
Khan Academy: Algebra: Variables Expressions and Equations
This video introduces to students what a variable, expression, and equation is. It also demonstrates how to substitute values for variables and evaluate expressions and equations using substitution. [6:55]
Khan Academy
Khan Academy: Algebra: Variables and Expressions 1
This video demonstrates how to solve a word problem using an expression and substituting values for a variable. [2:00]
Khan Academy
Khan Academy: Algebra: Evaluating Expressions With Two Variables
This video demonstrates how to evaluate an expression with two variables using substitution. [1:46]
Khan Academy
Khan Academy: Algebra: Order of Operations Example
A video that demonstrates how to use order of operations to evaluate expressions with and without variables. Some expressions contain up to two variables. [14:23]
Khan Academy
Khan Academy: Algebra: Variable Expressions
Video shows how to simplify expressions showing multiplication and how to write products with variables without multiplication signs. Also shows how to evaluate expressions by substituting in specific variable values. [12:26]
Math Mammoth
Math Mammoth: What Are Expressions and Equations?
Explains the definitions of and the difference between expressions and equations, and how to write an expression from a written description. [4:42]
Khan Academy
Khan Academy: Variables Expressions and Equations
Introduction and examples of variables, expressions and equations.
Khan Academy
Khan Academy: Variables and Expressions: Expressions With Two Variables
Video showing how to evaluate an expression which contains two variables.
Sophia Learning
Sophia: Graphing Algebraic Expressions
Evaluate and algebraic expression to determine how to graph an equation on the coordinate plane. Assess learning with a quiz.
Sophia Learning
Sophia: Terms in Algebraic Expressions
This lesson defines the concept of terms in an algebraic expression. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Terms in Algebraic Expressions
This lesson defines the concept of terms in an algebraic expression. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Terms in Algebraic Expressions
This lesson defines the concept of terms in an algebraic expression. Students can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Translating Equations Into Sentences
Explore how to translate algebraic equations into what the expression means in English. Take quiz to assess learning.
Sophia Learning
Sophia: Variables in Algebraic Expressions
This video lesson demonstrates how variables are used as placeholders in algebraic expressions. Students can check their understanding with an assessment.
Sophia Learning
Sophia: Variables in Algebraic Expressions
Determine the values of variables in an algebraic expressions. Take a quiz to assess learning.
Sophia Learning
Sophia: Algebra and Variables
Algebra and variables are defined and explained in this lesson. Take quiz to check understanding.