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NUMBER THEORY AND FRACTIONS REVIEW
NUMBER THEORYPrime Number- A whole number
that can only be divided by 1 and itselfEx. 2,3,5,7,11,13…
Composite Number- A whole number that has more than two factors.Ex. 4,6,8,9,10,12…
80
121
43
Simplify
80 = 1
121 = 12
43 = 64
Factors of 24:
1,2,3,4,6,8,12,24
Multiples of 4:
4,8,12,16,20,24,28…
FIND 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
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