Multiplication of Positive and Negative Numbers
This Multiplication of Positive and Negative Numbers worksheet also includes:
For this algebra worksheet, students multiply negative and positive integers. They multiply their integers correctly. There are 20 questions.
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Multiplying and Dividing Negative Numbers
Ease your class into pre-algebra with this video, which demonstrates multiplication and division problems involving negative numbers. Sal reiterates the rules of positive and negative numbers in different types of equations, then goes...
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Imaginary Numbers Are Real (Part 3: Cardan's Problem)
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...
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Inequalities Using Multiplication And Division
Things get a little more complicated in this video, which features Sal solving several inequality problems involving multiplying and dividing by positive and negative numbers. Additionally, he shows a few more kinds of notation to...
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Imaginary Numbers Are Real (Part 1: Introduction)
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 history.
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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...
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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...
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