To add and subtract numbers always begin counting from zero. When adding positive numbers, count to the right. When subtracting positive numbers, count to the left.
Watch the video to learn about adding and subtracting with negative numbers on a number line and by using number discs. Adding and subtracting with negative numbers. Let's talk about two ways to help ...
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Basic math operations with negative numbers

In this video I am going to summarize basic adding and subtracting with negative numbers to help you understand how to ...