One-Step Addition and Subtraction
One-Step Multiplication and Division
Two-Step or Pi Day
100

 x+4>=6 

x>=2

100

2x>10

x>5

100

The number that is commonly used to approximate pi.

3.14

200

x-6.5<23.5

x<30

200

x/6 >=8

x >= 48

200

2x+4>=10

x>=3

300

x+8> -3

x> -11

300

-3x<12

x>4

300

x/3+7<18

x<33

400

-3.25 >= x-21.75

x<= 18.5

400

x/-5<-11

x>55

400

How do we find pi?

Circumference divided by Diameter. 

500

1/4 >x+1/16

x < 3/16

500

12>2/3x

x<18

500

-4x-9<15

x> -6

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