Equations and Inequalities

One-Step Equations

100

506 = x + (-17)

x = 523

200

x + 67 = 98

x = 31

300

t - 23 = 25

t = 48

400

407 = h - 103

h = 510

500

x/6=15

x = 90

One-Step Equations

100

-7m = 56

m = -8

200

6y = 36

y = 6

300

9k = 63

k = 7

400

x/5 = -3

x = -15

500

x/9 = 10

x = 90

Inequalities

100

Given the inequality 48 < y, Harry said the solution is 47. True or false.

False

200

Is t = 4 a solution to the inequality t < 3?

No

300

x > 41 

Which value for x would make the inequality true?

a) 16

b) 31

c) 0

d) 48

d) 48

400

64 < y

Which value for y would make the inequality false?

a) 88 

b) 65

c) 71

d) 37

d) 37

500

f > 24 

Which value for f would make the inequality true?

a) 9 

b) 13 

c) 8 

d) 30

d) 30

One-Step Equations(Rational numbers)

100

 x + 6.7 = 12.1

x = 5.4

200

255.50m = 1,277.50

m = 5

300

s - 67.9 = 103.1

s = 171

400

 x/2.1 = 3

x = 6.3

500

234.20y = 

x = 2,810.4

Symbols and Vocabulary

100

What is the inverse operation of multiplication?

Division

200

What inequality signs use an OPEN circle for the graph?

Less than and greater than

300

What inequality signs use a CLOSED circle for the graph?

Less than or equal to and greater than or equal to

400

What shows all possible solutions of an inequality on a number line?

A graph of an inequality

500

What do we call a value of a number that makes a statement TRUE?

A solution