# Integer Review!

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Published on April 28, 2008

Author: ejboggs

Source: slideshare.net

Integer Review!

What do we know about integers? Integers are the whole numbers and their opposites Two integers are opposites if they are the same distance from 0 in either the positive or negative direction on a number line Negative integers are all the opposites of these whole numbers: -1, -2, -3, -4, -5, … Negative numbers are less than zero.

Integers are the whole numbers and their opposites

Two integers are opposites if they are the same distance from 0 in either the positive or negative direction on a number line

Negative integers are all the opposites of these whole numbers: -1, -2, -3, -4, -5, …

Negative numbers are less than zero.

Let’s look at some examples of opposites! -4 and +4 -2 and +2 -5 and +5

-4 and +4

-2 and +2

-5 and +5

Integers can also represent situations Sarah went up four steps The temperature is twelve below zero. The elevation of the mountain is 52,000 feet +4 -12 +52,000

Sarah went up four steps

The temperature is twelve below zero.

The elevation of the mountain is 52,000 feet

+4

-12

+52,000

Absolute Value is… The distance a number is from zero on the number line

The distance a number is from zero on the number line

So…. Absolute value is shown by two bars on either side of an integer. The absolute value of the number is really just the number without a sign (or neither negative nor positive) 4

Absolute value is shown by two bars on either side of an integer.

The absolute value of the number is really just the number without a sign (or neither negative nor positive)

4

Let’s watch a video to help us more!

That should get us started! Your assignment is on the board!

Your assignment is on the board!

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