Show:
🟦 Undo It!
🟩 First Step
🟨 Solve It
🟥 Mistake Alert
🟪 Distribute or Don’t?
100

What is the inverse of adding 7?

Subtract 7

100

x + 5 = 12 → What is the first step?

subtract 5

100

x + 6 = 14

8

100

x + 4 = 10 → x = 6 (Correct or Incorrect?)

Correct

100

3(x + 4)

Yes

3x+12

200

What is the inverse of multiplying by 4?

divide by 4

200

3x = 18 → What is the first step?

divide by 3

200

4x = 20

5

200

3x = 15 

 x = 3

Incorrect

answer is 15/3=5

200

x + 4

Not distributive

300

What undoes division by 6?

Multiply by 6

300

x – 4 = 9 → First step?

add 4

300

x – 8 = 3

11

300

x – 7 = 12 

 x = 19

Correct

300

5(x – 2)

Yes

Bonus points for simplified correct equation

400

What undoes subtracting 9? 

adding 9

400

x ÷ 5 = 7 → First step?

multiply by 5

400

x ÷ 6 = 5

30

400

x ÷ 4 = 8 

 x = 2

Incorrect

Bonus points for the correct answer!!

400

7x + 2

Not distributive

500

What is the inverse of multiplying by ½?

dividing by 1/2

500

  • x + 9 = 2 → First step?

Subtract 9 

500

7x = 49

7

500

5x = 25 

 x = 30

Incorrect

Bonus points for correct answer

500

2(x + x)

Yes

Bonus points for simplified equation


triple points for final equation.