Curated Video
Multiplying Polynomials: Using the Distributive Property and Combining Like Terms
In this video, the teacher explains how to multiply polynomials and shows that the product of two polynomials is still a polynomial. The teacher uses the distributive property and combines like terms to demonstrate the process. The video...
NUMBEROCK
Integers
Erika discovers integers in the most fun real life situations - watch her as she snorkels by primordial creatures, borrows some money to buy a ticket to go skydiving, and put's on her coat in sub-zero temperatures for a snowball fight!...
Curated OER
Rectangular Coordinate System
Everything you need to understand the rectangular coordinate system is explained in this easy to follow video. Great for elementary to middle schoolers learning about plotting points, graphing, and locating points on a coordinate grid....
Khan Academy
Negative Numbers Introduction, Negative Numbers and Absolute Value, Pre-Algebra
Sal tackles pre-algebra in this series of videos, starting with the concept of negative numbers. Using a number line, he takes the viewer through different practical examples of negative numbers, such as temperature and bank accounts....
Khan Academy
Adding/Subtracting Negative Numbers, Pre-Algebra
Guiding viewers through the addition and subtraction of numbers, this video includes many tips to help new learners internalize the concept of a number line. It clarifies the relationship between positive and negative numbers, including...
Khan Academy
SAT Prep: Test 1 Section 9 Part 4
Sal tackles problems 12-14 of the practice SAT, which deal with linear equations (with negative numbers and radicals). Demonstrating more than one way to solve the problems, Sal takes care to note the most efficient ways to still arrive...
Curated OER
SAT Prep: Test 8 Section 8 Part 1
Bringing the Khan Academy SAT video series to an end, Sal uses The Official SAT Study Guide to complete the final 16 problems (page 867). In this video, he solves problems 1-7 quickly and proficiently.
Mathispower4u
Evaluate a Quadratic Expression with a Negative Value (Example)
Don't feel negative about quadratic expressions. An instructional video shows viewers how to evaluate a quadratic expression when the variable has a negative value. It presents two examples for the topic and works through these examples...
Art of Problem Solving
Subtraction with Negatives Part 2
Dive deeper into subtraction. The presenter shows two more ways to use the definition of subtraction to solve subtraction problems. Using the distributive and commutative properties, pupils learn how to solve problems such as subtracting...
Mathispower4u
The Distributive Property with Negative Integers
Just over one third of all adults struggle when performing math operations with negative numbers. Addressing these skills early and often prevents these challenges later in life. Through multiple examples, worked step by step, viewers...
Krista King Math
Absolute Value
Investigate with your classes the meaning of absolute value. Here, the instructor explains the definition of absolute value and uses the definition to evaluate different expressions. The expressions include simplifying within the...
Krista King Math
Signed Numbers, Division
Teach dividing with both positive and negative integers by utilizing the video lesson. The instructor gives tricks for recognizing when the quotient will be positive and negative. She works out several examples of different combinations...
Math Meeting
Adding and Subtracting - Negative Numbers
Here is a video that adds visual context and a steady stream of step-by-step instructions for adding and subtracting negative integers, with the help of a number line.
Curated OER
How Do You Use Multiplication with Negative Numbers to Solve an Inequality Word Problem?
Solve this real world word problem in just one written step. The original inequality is a division problem, so to solve it, use the multiplication property of inequality. Was the problem solved by multiplying a negative number? Yes! So...
Curated OER
How Do You Use Division With Negative Numbers to Solve an Inequality Word Problem?
A word problem that needs to be written as an inequality to solve. This expression seems pretty straightforward and only takes one step to solve. But wait, the division property was used with a negative number so the inequality sign has...
Curated OER
How Do You Graph Ordered Pairs in Each Quadrant?
Draw a graph, label your units, make a table of your given coordinates. Now plot your points, label each point as you graph it. Next identify the quadrant that each point is in and add that to your table.
Curated OER
What are Positive and Negative Numbers?
Is zero positive or is it negative? Are all positive numbers to the right of zero on the number line? Are all negative numbers to the left of zero on the number line? Are all positive numbers greater than zero? Are all negative numbers...
Curated OER
What is the Opposite, or Additive Inverse, of a Number?
Teach your class about the additive inverse! Using examples first and a definition second, this video explains what the additive inverse it and how to find the additive inverse of any given number or variable. A quick concept review for...
Curated OER
How Do You Add Integers Using a Number Line?
Confused about adding integers? Use a number line to help you get a visual on which way to move according to the sign of the numbers. Negative means you move left on the number line and then of course positive numbers mean you move to...
Curated OER
How Do You Determine the Zeros of a Polynomial Function from a Table of Values?
First, review the location principle and then use a table to determine the zeros for the function your trying to solve. This tutorial defines the location principle, works through a table, identifies where sign changes occur, then uses...
Curated OER
What's Another Definition for an Integer?
Break down integers with this video. A teacher gives a basic definition and provides several examples of integers. The examples cover numbers that are integers as well as numbers that are not integers. A concise video, this resource...
Curated OER
What are Quadrants in the Coordinate Plane?
The teacher diagrams a coordinate plane and identifies the four quadrants. He labels the quadrants with numbers. Then he illustrates a table to identify the positive or negative value of the x-coordinate and the y-coordinate and...
Curated OER
What is Rate of Change?
The rate of change is defined as how one quantity changes in relationship to another quantity. The instructor diagrams a graph and demonstrates how to use a formula to calculate the rate of change. It might take two viewings to catch all...
Curated OER
How Do You Graph a Line If You're Given the Slope and a Single Point?
You have a slope and a given point and now you have to graph it. Begin by drawing a graph and then plotting the given point. Remember that slope is rise over run. So, from the given point move the appropriate spaces to plot the next...