N UMBER T HEORY AND F RACTIONS R EVIEW. N UMBER T HEORY Prime Number- A whole number that can only be divided by 1 and itself Ex. 2,3,5,7,11,13… Composite.

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Presentation transcript:

N UMBER T HEORY AND F RACTIONS R EVIEW

N UMBER T HEORY Prime Number- A whole number that can only be divided by 1 and itself Ex. 2,3,5,7,11,13… Composite Number- A whole number that has more than two factors. Ex. 4,6,8,9,10,12…

Simplify

8 0 = = = 64

Factors of 24: 1,2,3,4,6,8,12,24 Multiples of 4: 4,8,12,16,20,24,28…

F IND THE FACTOR TREE FOR 30

Shade 1½

Is each fraction less than one, equal to one, or greater than one? 4/4 3/7 9/5

4/4 = 1 3/7 < 1 9/5 > 1

Simplify or rewrite the following fractions: 3/9 9/3 15/4

3/9 = 1/3 9/3 = 3 15/4 = 3¾

Add or Subtract

Multiply or Divide