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Integers

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by

Noah Kim

on 17 September 2014

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Transcript of Integers

What is an Integer ?
An integer is any whole number . It can be positive,
negative, or neutral like
zero.
Adding Integers
When your adding integers that have the same signs you add up the numbers, but when they have different signs you subtract the integers.
Subtracting Integers
When your subtracting integers that have the same signs you subtract the numbers, but when they have different sign you add
GOAL!
Integers
Thank you!
By: Noah Kim

Multiplying Integers
When your multiplying integers that have the same or different signs you multiply, and if it has a negative number then the answer will always have a negative sign.
Dividing Integers
Knowing how to use integers is important because you use them in your everyday life. You use it when your shopping, when your in your house, and even with friends.
Thank you for listening, and I hope you learned a lot from this presentation about integers. After reading this presentation, use this valuable information for some of the example listed below.
-9 + -8 = -17
5 + 10 = 15
-3 + -7 = -10
Examples

Examples
-5 + 7 = 2
10 + -9 = 1
-3 + 7 = 4
Number Lines
Number lines are are used to make a
visual picture of where the numbers are.
Absolute Value
Absolute value is used to tell how far a number is from zero. It can be negative or positive
Examples
-9 - (-5) = -4
-4 - (- 2) = -2
-12 - (- 8) = -4
Examples
-7 - 5 = -12
13 - (-8) = -5
-9 - 1 = -10
Examples
Examples
When your dividing integers that have the same or different signs if it has a negative number then the answer will always have a negative sign.

-6 x 7 = -42
9 x (-3) = -27
-2 x (-3) = -6
-10 x (-8) = -80
-7 x (-3) = -21
- 12 x (-12) = -144
Examples
Examples
-8 / (-4) = -4
-20 / (-10) = -10
-9 / (-1) = -9
-24 / 6 = -4
8 / -2 = -4
-18 / 9 = -2
-
Knowing how to use integers is Important
Examples
1. When your at the grocery store and you need to add up the price of what you bought, but there is a discount You need to subtract money from the total price.
Examples

2. When you owe someone money because of something that happened that would cause you to do that.
3. When your at home and you eat an extra cookie for your brother, then you owe him one of yours the next time you get a cookie.
Examples
Examples
4. When your playing sport that involve numbers and you need to add, subtract, multiply, or divide something.
Full transcript