Equations & inequalities

Addition

100

6 + h ≥ 12

h ≥ 6

200

n + 6 = 8

2

300

6x + 14 ≥ 20

x ≥ 1

400

4 = 9x + 7 + x = 66

5.5

500

-3h  +  4  +  10h  = 200

h=28

Subtraction

100

4h  -  6  =  22

h  =  7

200

-4x - 10 > 30

x<-10

300

4x - 13 < 11

x<6

400

4h - 6 = 22

7

500

-3 < n -8

5<n

Multiplication

100

6y < 18

7<3

200

-3w < -39

w>13

300

7a = 49

7

400

8x ≤ 40

x ≤ 5

500

2(3n + 11) - 4 = 6

-2

Division

100

k/-2 < 9

k>-18

200

60 < m/3

180<m

300

p/9 = 9

81

400

7/8k = 5/6

40/42 

500

x/0.5 < 12

x < 6 

Word problems

100

Write an inequality to represent the following situation: You must be under 4 feet tall to go on the kiddie rides at The Land of Make Believe.

x < 4

200

Write an inequality to represent the following situation: Yesenia can spend no more than $20 for her lunches this week.

x≤20

300

Emoji were introduced on japanese phones in 1997

write an inequality that describes y ,the years before emojis were introduced.

y<1997

400

The English word "Latinx" was first used in print in 2007.  

Write an inequality that describes y, the years after the word "Latinx" was first used in print.

y>2007

500

Jake is younger than Sophie. Sophie is 14 years old. 

Write an inequality that compares Jake's age in years, j, to Sophie's age.

j<14