Equations and Inequalities review

Writing Inequalities - Situational

100

Writing Inequalities

Tim can have at most 3 donuts, d

d<=3

200

Writing Inequalities

The table should have fewer than 7 people, p, at it

p<7

300

Writing Inequalities

There were at least 250 people, p, at the event

p >=250

400

Writing Inequalities

The sign says your height, h, must be at least 48 inches tall to ride the roller coaster safely

h>=48

500

Writing Inequalities

The number of errors, e, must be less than 5

e <5

Solving Equations

100

Solving Equations

Solve for x. 

x + 3 = 7

What is: 

x = 4

200

Solving Equations

Solve for x.

2x = 8

What is: 

x = 4

300

Solving Equations

Solve for x.

x/3=90

What is: 

x = 270

400

Solve for v.

25v=200

v = 8

500

Solving Equations

Solve for x.

15x=52.5

x = 3.5

Writing Inequalities

100

Solving Inequalities

c is less than 33

c < 33

200

x is less than 4

x < 4

300

Write an inequality

S is at most 55

s <= 55

400

Write an Inequality 

J is above 8

J > 8

500

Write an Inequality

 k is at a minimum 6

What is: 

 

k>=6

True/false

100

We use inverse operations to solve equations and inequalities?

True

200

Addition is the inverse of division?

False

300

We use a closed circle to represent the inequalities < and > ?

False

400

Inequalities only have one solution, just like equations.

False. Inequalities have infinitely many solutions. 

500

True or False

The inequality "a maximum of 50" is written as:

x<=50

TRUE

On a Number Line

100

x is greater than or equal to -2

Closed circle ------>

200

x is less than 1

<------- open circle

300

x is at least 7

Closed Circle -------->

400

x does not exceed 15

<-------- open circle

500

x is at most 23

<-------- closed circle