Antsy Algebra

What's the opposite?

100

multiply

divide

200

add then subtract 

subtract then add

300

divide, subtract 

multiply , add

400

multiply, add, divide

divide, subtract, multiply 

500

divide, add, multiply, subtract

multiply, subtract, divide, add

One step equations

100

x + 4 = 10

x = 6

200

y - 5 = 15

y = 20

300

3x = 12

x  = 4

400

y/9 = 20

 y  = 180

500

x²  = 25

x = 5

Inequalities

100

2x>8

x>4

200

1 + y < 10

y < 9

300

x / 2 > 9

x > 18

400

x - 7 > 14

x > 21

500

3x - 7 > 14

x > 7

Word problems

100

You add 13 to a number and get 22. What is the number?

x + 13 = 22

200

Ivan split his stickers into two equal groups. He has 25 stickers in each group. How much did he start with?

x/2 = 25

300

Sandy needs 9 cups of flour to bake a cake. She has put in 3 cups already. How many more cups are needed? 

x + 3 = 9

400

How many video games can you buy with $700 if each costs $100?

100v = 700

500

After spending $7 for a pie, Tim has $96 left. How much did he start with?

x - 7 = 96