Math

Math
The subjects that you will learn in math are ratios and rates and unit rates and proportions. That is all FOR NOW . . .

Adding Intergers





This is how to add intergers:
-4 + (-5)= -9    
if you are adding 2 negatives together, you will be going farther away from zero on the number line. If you are adding 2 positives, you will be going farther away from zero on the number line. If you add a positive and a negative, you will go closer to the zero on the number line.
This is a worksheet:
--------------------------------------------------------------------------------------------------------------------------
Name: __________________________________________________________
Date: _____________________       Period: ______

                                                      Adding Intergers
1. -8 + 4 = ________
2. 5 + -4 = ________
3. 5 + 4= _________
4. -10 +(-10) = ____
5. -9 + 6 = ________

                                                             Grade: ________________%
***********************************************************************************
Subtracting Intergers

This is how to subtract intergers:
-4 - 5 = -9
There is an awesome trick to this. It is called adding opposites. This is how to do it:
Adding Opposites
- 4 - 5
      | |
-4  + (-5) = -9

To add opposites, you need to keep your first number the same as it is. You need to change the subtracting to addition. Then, you need to change your next number to its opposite (if it is a positive, then you need to change it to a negative. If it is a negative, then you need to change it to a positive.)


Ratios
Ratios- A comparison of 2 quantities.
Ways to write a ratio:

2                                            2:3                           2 to 3
____

3

How to write a ratio:
Example:

2 dollars to 4 dollars = $2:$4 which = $1:$2

Click here to take the ratio quiz

Rates
Rates- a ratio with 2 different units