Math Review February Morriss

Prime Factorization

100

prime factorization of 128

2⁷

200

2²  X  3² X 5

180

300

10² X  2² X 5

2,000

400

find the prime factorization of 200

2³  X  5²

500

What is the scientific notation for:

14,300,000?

1.43^{10 +7 power}

Simplify an Expression

100

4(x + 3)

4x + 12

200

3 + x(4+3) 

3 + 7X  or 7X + 3

300

X + 3 + 4X + 2X + 2

7X + 5

400

 3(2X + 5) 

6X + 15

500

2x + 3(X + 3) 

5X + 9

Solve for a Variable

100

2x + 4 = 10

x=3

200

2x + 6 = x + 11

x = 5

300

3x + x + 7 = 15

x = 2

400

-5x= 30

x = -6

500

4 + 2x + x =  x + 8

X = 2

Order of Operations

100

3 x ( 9 + 3 ) + 3

39

200

(10 + 2 )² + (10 ÷ 5 )

146

300

3 x ( 9 + 4 ) + 4²

55

400

(38 - 6 ) ÷ 2 - 3²

7

500

( 8 x 9 - 9² ) + 5

-4

All-Mixed Up

100

187 divided by 44

4.25

200

     345 X 262 =

90,390

300

1 3/4   x  12  =  

21

400

1/2  divided by  6  

1/12

500

6,477  divided by 68

95.25