Instructional Video9:41
Why U

Algebra 79 - Adding and Subtracting Complex Numbers

12th - Higher Ed
Addition and subtraction of complex numbers can be done arithmetically by adding or subtracting their real parts and separately adding or subtracting their imaginary parts. These operations of complex addition and subtraction can be...
Instructional Video5:05
Curated Video

Using Neutral Fields to Calculate with Positive and Negative Integers

K - 5th
In this video, students learn how to create and use a neutral field to calculate with positive and negative integers. The concept of additive inverses and zero pairs is introduced, and students are shown how to break apart zero pairs to...
Instructional Video13:57
Why U

Algebra 78 - Imaginary and Complex Numbers

12th - Higher Ed
The concept of imaginary and complex numbers was a powerful innovation that enabled mathematics to progress into previously uncharted territory. Although this concept was not entirely intuitive, extending our number system to include...
Instructional Video4:47
Curated Video

Subtracting Integers by Adding the Additive Inverse

K - 5th
In this video, the teacher explains how to subtract integers by adding the additive inverse. The lesson includes a review of the concept of additive inverses and two addition rules for numbers with the same sign and different signs.
Instructional Video2:53
Brian McLogan

Subtracting complex numbers

12th - Higher Ed
In this video series I show you how to add and subtract complex numbers. Addition and subtraction of complex numbers is very similar to addition and subtraction of polynomials where we can only combine like terms. We then want to write...
Instructional Video4:49
Curated Video

Adding Integers with Different Signs Using a Number Line

K - 5th
Review the concepts of positive and negative numbers, absolute value, and the direction of movement on the number line. The teacher demonstrates how to add integers with different signs by subtracting their absolute values and taking the...
Instructional Video2:55
Brian McLogan

Subtraction of real numbers both positive, 5 - 3

12th - Higher Ed
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Instructional Video3:00
Brian McLogan

How to multiply a two digit decimal from a three digit decimal

12th - Higher Ed
👉 You will learn how to multiply numbers in decimal form. We will work with decimals that are greater and less than one. When multiplying decimals it is important to line up the decimal point so that you keep the place values of the...
Instructional Video7:08
Brian McLogan

How to graph an exponential equation with a table of values

12th - Higher Ed
👉 Learn how to graph exponential functions involving vertical shift. An exponential function is a function that increases rapidly as the value of x increases. To graph an exponential function, it is usually very useful to make the table...
Instructional Video4:09
Curated Video

Adding Integers with Opposite Signs: Using an Algorithm

K - 5th
This video explains the concept of absolute value and how it relates to the distance from 0 on a number line. The algorithm involves subtracting the absolute values of the numbers and determining the sign based on which absolute value is...
Instructional Video3:20
Curated Video

Using Rational Numbers in the Real World

9th - 12th
In this video, the teacher walks through a standardized math test question that involves using rational numbers to calculate the total change in temperature over a period of time. The teacher breaks down the problem step by step,...
Instructional Video3:31
Brian McLogan

Multiplying two numbers both negative, -4 . (-2)

12th - Higher Ed
👉 You will learn how to multiply integers from one digit to multiple digits. When multiplying it is important to understand that multiplication is just repeated addition. However with multi-digit numbers we will follow a step by step...
Instructional Video2:03
Brian McLogan

What are Additive Inverses

12th - Higher Ed
👉 Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Instructional Video5:36
Curated Video

Negative and Positive Integers

3rd - Higher Ed
Mr. Addit explains the concept of positive and negative integers. He plots positive and negative integers on a number line and then uses a Fahrenheit thermometer to show a practical application of positive and negative integers that we...
Instructional Video8:25
Why U

Pre-Algebra 05 - Commutative & Associative Properties of addition

12th - Higher Ed
A look behind the fundamental properties of the most basic arithmetic operation, addition.
Instructional Video10:01
msvgo

Subtraction of Integers

K - 12th
It explains to subtract two positive integers, two negative integers, to subtract one positive and one negative integers, to subtract integers on number line.
Instructional Video4:46
Curated Video

Adding Integers with Color Counters

K - 5th
Understand how to add integers using color counters. By combining the counters and canceling out zero pairs, students can easily visualize and solve addition problems involving integers. The teacher emphasizes the importance of neatness...
Instructional Video9:51
3Blue1Brown

Vectors, what even are they? Essence of Linear Algebra - Part 1 of 15

12th - Higher Ed
What is a vector? Is it an arrow in space? A list of numbers?
Instructional Video3:18
Brian McLogan

Review of how to add and subtract negative and positive numbers

12th - Higher Ed
👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...
Instructional Video13:12
Curated Video

Subtracting Rational Numbers

9th - 12th
In this video lesson we will learn that we use the same rule for subtracting rational numbers as we did for subtracting integers. We will rewrite the subtraction problem to be an addition problem by adding the opposite value. Fondly...
Instructional Video12:15
Curated Video

Adding Rational Numbers

9th - 12th
In this video lesson we will learn the rules for adding rational numbers. We will apply the rules we have learned for adding integers. When adding the same signed rational values, we will add the absolute values and keep the sign. When...
Instructional Video2:32
Brian McLogan

Solving a two step equation with negative variable

12th - Higher Ed
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Instructional Video2:46
Brian McLogan

Adding Polynomials

12th - Higher Ed
👉 Learn how to add polynomials. To add polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you have...
Instructional Video2:29
Curated Video

Order of Operations with Fractions

9th - 12th
In this short video we will answer a standardized math test question where we are asked to evaluate a mathematical expression with fractions. We will use order or operations to first evaluate inside the brackets/parentheses and add...