Learning to multiply is the product of hard work. Viewers of a short instructional video review how to multiply negative numbers. They first use patterns to justify the rules for multiplication, then watch the narrator work through some...

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...

What is the definition of subtraction when dealing with negatives? The short video provides the definition of subtraction. Scholars observe as the presenter applies the definition to examples with negative numbers.

How will a scale factor affect a figure—negatively? Using a grid, the narrator of an engaging video performs a dilation with a negative scale factor. The presenter compares a positive scale factor with a negative scale factor to explain...

What numbers should not be shared? Numbers thoughout history have been banned for one reason or another. The resource provides details of illegal numbers and compares them to the written and spoken word. Discussion brings the idea of...

Where do you put the negative sign when working with fractions? The video lesson answers this question by explaining that each fraction has three signs. Pupils see how to adjust the signs of a fraction two at a time.

Take the fear out of signed numbers. An educational video explains signed numbers as keeping the sign when both are the same, and offers tricks for what to do when one is positive and the other is negative.

While the standards don't call for negative numbers to be taught before the sixth grade, many students benefit from learning the concept earlier. A video explains what teachers mean by the opposite of a number. It includes absolute...

Watch a video intended for teachers to gain pointers, tips, and tricks to teach learners how to graph ordered pairs on a coordinate plane, and to calculate distances with the distance formula. Additionally, obtain recommendations...

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.   

What are imaginary numbers? An introductory video provides an explanation as to why we need imaginary numbers to solve equations, and makes the connection between the need for zero, negative numbers, and rational numbers throughout...

Were complex numbers discovered or invented? A video presentation makes the case for the discovery of square roots of negative one. In order for complex numbers to be real, then they must behave like other numbers, which they do in terms...

A one-minute explanation of multiplying with negative and positive numbers is all you need for a quick reminder. This is a great video to show to your class before a math lesson. Note: There is no audio in this video.

After multiplying integers that have positive and/or negative signs, how is the sign of the product determined? This is a foundation skill that your pupils should know like the backs of their hands. If you need to reinforce the rules of...

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.

This video shows addition of negative numbers on a number line, using absolute values. Practice problems are included. [5:41]

This video shows ordering of negative numbers by relating them to their positions on a number line. Practice problems are available. [2:47]

This video teaches addition and subtraction of negative numbers using a number line. Practice problems are available. [9:16]

This video shows how to think about and represent negative numbers using a number line. Practice problems are available. [9:36]

This video explores positive and negative integers and how we use them in the real world. This "I <3 Math" episode explains the difference between positive and negative numbers and how these numbers can be represented on a number...

Equivalent expressions examples with negative numbers.

Adding integers with different signs.

This video lesson explains the difference between a negative number raised to a power and a power multiplied by a negative number. Students can check their understanding with an assessment.

This video tutorial describes the difference between a negative number raised to a power and a power multiplied by a negative number. Students can check their understanding with an assessment.