Factors

Factors are numbers that you multiply together to make a product.

​THEY ARE THE ANSWERS TO MULTIPLICATION PROBLEMS!!!!!

3 and factors of 15

15 is ​a product of 3 and 5.

GCF-Greatest COMMON factor

The factor that two numbers share that is the LARGEST/GREATEST.​

To find it, you need to GO THROUGH THE PROCESS of writing out the factors of each number than figuring out the largest number that they share.​

Simplified Fractions

You are going to need to know how to write a fraction in the simplest form!

STEPS:

*** Remember– what you do to the top you HAVE to do to the bottom!!

Divide BOTH your numerator and denominator by the GCF.

2- DIVIDE

Look at your numerator and denominator, then find their GCF.

1-Find the GCF

3- Ask yourself, "Can it go lower?"

​1-Find GCF

2-Divide

3-Ask yourself

​

​Write 3/36 In simplest form

form

Least Common Multiple

*Mutiple=Multiply

Example

What is the LCM of 3 and 9?

1-List the multiples of 3.

• 3, 6, 9, 12, 15, 18, 21, 24, 27

2-List the multiples of 9.

• 9, 18, 27, 36, 45, 54, 63

3- Find the SMALLEST/LEAST common number they SHARE.

• 9

Comparing Fractions

Using >, <, or =.

Write Fractions as Decimals

• Get it to be over 10 or 100 FIRST by finding a way to get the denominator there. 

• Then, “what you do to the bottom you HAVE to do to the top!”