Algebra Jeopardy

1 Step Equations

100

x+34=46

x+34 -34 =46 -34

x=12

200

x/4=15

x÷4 (4) =15 (4)

x=60

300

24=6x

24 ÷6 =6x ÷6

4=x

400

x/-20=5

x÷-20 (20) =5 (20)

x=100

500

-8x=-56

-8x ÷8 =-56 ÷8

x=7

2 Step Equations

100

3x+16=31

3x+16 -16 =31 -16

3x ÷3 =15 ÷3

x=5

200

6=8-x÷4

6 -8 =8 -8 -x÷4

-2 (-4) =-x÷4 (-4)

8=x

300

-32=23+-11x

-32 -23 =23 -23 +-11x

-55 ÷11 =-11x ÷11

5=x

400

x÷-5-31=-38

x÷-5-31 +31 =-38 +31

x÷-5 (-5) =-7 (-5)

x=35

500

6÷x+25=23

6÷x+25 -25 =23 -25

6÷x (x) =-2x

6 ÷-2 =-2x ÷-2

x=-3

Distributing

100

3(x+21)=69

3x+63 -63 =69 -63

3x ÷3 =6 ÷3

x=2

200

6(5-x)=12

30 -30 -6x=12 -30

-6x ÷-6 =-18 ÷-6

x=3

300

7(4x-11)=91

28x-77 +77 =91 +77

28x ÷28 =168 ÷28

x=6

400

3(2x-5)=9

6x-15 +15 =9 +15

6x ÷6 =24 ÷6

x=4

500

5(9-3x)=-20

45 -45 -15x=-15 -45

-15x ÷-15 =-60 ÷-15

 x=4

Correct or Incorrrect

100

3x+2 +2=35 +2

3x ÷3 =37 ÷3

x=12.3

Incorrect- Since there is a positive 2 you need to subtract 2 to cancel it out.

200

7 -7 +4x=23 -7

4x ÷4 =16 ÷4

x=4

Correct

300

x/3+-12 -12=-3 -12

x/3 x3 =-15 x3

x=-45

Incorrect- You need to add 12 instead of subtracting in order to cancel out the -12.

400

x/5+3 -3 =0 -3

x/5 (5) =-3 (5)

x=-15

Correct

500

x/-6+15 -15 =12 -15

x/-6 (6) =-3 (6)

x=-18

Incorrect- You need to multiply the -6 by -6 instead of +6 to cancel it out, otherwise you end up with -36.

Word Problems

100

Robbie earned $230 for mowing lawns this week. Adding up his last 2 weeks of working money, he made $545 in total. How much did Robbie make last week?

230+m=545

200

Gwen went shopping and got 3 pens for $4.50. She also got 10 pencils. If the total without tax was $17, how much were each of the pencils?

4.5+10p=17

300

Sally works as a server for $14.50 an hour. She made $39 in tips over the course of a week. If Sally made $615 in that week including the tips, how many hours did Sally work?

14.5h+39=615