MARCUS DU SAUTOY:'At the heart of the mathematical world lie numbers 'They give us the power to describe, 'measure and count everything in the universe. MARCUS DU SAUTOY:'But numbers aren't always ...
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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