what is integer, and what is it used for!?

0  Views: 632 Answers: 1 Posted: 12 years ago

Meet Elena and Noah. Given a choice, they would rather play video games after school than do homework! Can you believe that?

They're playing a fighting game called Adding Integers. Elena is Negatron, who attacks with negative numbers and Noah is Positron, who attacks with positive numbers. Let's take a look!

### Adding Opposite Numbers with the same Absolute Value

You already know integers. These are the whole numbers on the positive and negative side of the number line. They are separated by zero, just like the opponents in the game.

OK let's look at the number line to see what happens when we have to add opposite numbers with the same absolute value. Noah attacks first with a positive 3 and Elena counters with a negative 3.

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