Math Playground
What is PEMDAS?
Learning how to solve problems using the order of operations can be challenging. This video explores the how's and why's for the order of operations. This is a must-see video for middle school learners.
Curated OER
How Do You Solve a Two-Step Equation by Multiplying by a Reciprocal?
Love those fractions?!? This lesson involves using the multiplication property of equality to eliminate the fraction in the given equation. In this equation, (2/3)( x-4)=4, the reciprocal of the fraction is used to eliminate it. The...
Mathispower4u
Evaluate an Expression in the Form (a+b)/(cd) (Example)
If you evaluate the resource, you'll find it very useful. Scholars learn to evaluate algebraic expressions by watching an informative video. It gives an expression of the form (a+b)/(cd) as an example and shows viewers how to evaluate...
Mathispower4u
Evaluate an Expression in the Form (a-b)/(cd) (Example)
There's no substitute for learning through examples. A brief YouTube video shows how to evaluate an algebraic expression through substitution. The expression of interest is in the form (a-b)/(cd), where the values of the variables are...
Mathispower4u
Order of Operations with Integers: a+b(c-d((e^2)+f))
Simplifying expressions in a nice, orderly fashion is ideal. Young scholars learn to simplify expressions of the form a + b(c - d(e^2 + f). The exercise obviously requires meticulous use of the order of operations.
Curated OER
How Do You Find the Volume of a Sphere?
The formula for the volume of a sphere is volume equals four-thirds pi times the radius cubed. That's a mouth-full. But if you are given the radius value of the sphere, all you have to do is plug it in and do the arithmetic. Just...
Curated OER
How Do You Simplify an Expression Using the Order of Operations?
Simplify an expression by following the order of operations. Some already know the acronym PEMDAS. But that often gets a little confusing. The teacher demonstrates three steps to simplifying an expression.
Curated OER
What's the Order of Operations?
Expressions and equations must be worked out in a specific order or the solution will be incorrect. This order of operations has been referred to in several ways, some have called it PEMDAS. Others refer to the order as: group, powers,...
Curated OER
How Do You Solve an Equation with Variables on Both Sides and Grouping Symbols?
This equation with a variable on both sides and parentheses on both sides seems like it will be hard to solve. Don't despair! It's not as complicated as you might think. Just use the order of operations and take it one step at a time.
Curated OER
How Do You Evaluate an Exponential Function?
Set up a table to keep track of your values as you evaluate an exponential function. Select some values for the table to plug in to the given exponential expression. Then evaluate the expression. Do you see a pattern?
Curated OER
How Do You Solve a Word Problem by Writing an Equation and Plugging in Values?
There are a lot of moving parts in this word problem. There are three variables, and then there's writing out an equation. Oh my! The best thing to do is watch this video and take some good notes as the teacher explains each and every...
Curated OER
How Do You Use the Order of Operations?
It is imperative that all your mathematicians know and understand the order of operations. This one skill can make or break young math learners. If they don't understand the order, many wrong answers will be gotten. So take the time to...
Curated OER
What is the Quadratic Formula?
What do you do when you are trying to solve a quadratic equation and factoring and graphing aren't working out for you? Use the quadratic formula! Watch this video to find out exactly how to find your solutions with the quadratic...
Virtual Nerd
How Do You Solve a Radical Equation?
Oh my, there's a variable inside the radical . How will you ever solve this one? The teacher explains step-by-step just how to solve this radical equation. She also shows how to check to make sure the answer is the correct one.
Other
Algebra2 Go: Prealgebra: Absolute Value & the Opposite of a Number
Concept demonstration video [8:26] explains how to find the opposite and the absolute value of a given number. A number line is used to help show the distance from zero.
Math TV
Math tv.com: Simplifying Expressions: With Numbers Only
Learn how to use order of operations to simplify expressions. Several videos, featuring a math teacher and students, offer step-by-step instruction on how to simplify expressions that only involve numbers.
Math TV
Math tv.com: Positive and Negative Numbers: Order of Operations
Several video demonstrations offer help with using order of operations to simplify expressions.
Math TV
Math Tv: Linear Equations in One Variable: With Parentheses (English and Spanish)
Great site for students to learn how to solve linear equations with parentheses. A collection of teacher and student videos will guide you through solving ten different equations.
Virtual Nerd
Virtual Nerd: What's the Order of Operations?
Do you remember what order to follow when you simplify an expression? To review for the SAT, watch this tutorial for a reminder of the order of operations. [3:18]
Virtual Nerd
Virtual Nerd: How Do You Use the Order of Operations?
Don't forget there is a correct order for simplifying expressions on the SAT. Reacquaint yourself with the order of operations by watching this video. [2:34]
Khan Academy
Khan Academy: Algebra: Evaluating Exponential Expressions 2
Video evaluating an exponential expression using the order of operations. Includes a zero exponent. [3:01]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Introduction to Order of Operations
This video introduces the concept of order of operations with several examples. Practice problems are available. [9:40]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Order of Operations
This video demonstrates the order of operations in a numerical expression. Practice problems are available. [9:40]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Order of Operations 1
This video explains the order of operations with exponents and negative numbers. Practice problems are available. [4:36]