Math Review JEOPARDY

Solving One-Step Equations

100

y + 2 = 7

y + 2 = 7

y = 7 - 2

y = 5

200

m - 6 = 10

m - 6 = 10

m = 10 + 6

m = 16

300

9 + n = 13

9 + n = 13

n = 13 - 9

n = 4

400

4x = 20

4x = 20

x = 20/4

x = 5

500

v/5 = 3

v/5 = 3

v = 3 (5)

v = 15

Solving Two-Step Equations

100

4x + 5 = 13

4x + 5 = 13

4x = 13 - 5

4x = 8

x = 8/4

x = 2

200

2x + 3 = 15

2x + 3 = 15

2x = 15 - 3

2x = 12

x = 6

300

6x + 3 = 33

6x + 3 = 33

6x = 33 -3

x = 30/6

x = 5

400

x/4 - 2 = 3

x/4 - 2 = 3

x/4  = 3 + 2

x/4 = 5

x = 5 (4)

x = 20

500

x/2 - 1 = 6

x/2 - 1 = 6

x/2  = 6 + 1

x/2 = 7

x = 7 (2)

x = 14

Solving Two-Step Equations

100

2x + 1 = 11

2x + 1 = 11

2x = 11 - 1

2x = 10

x = 5

200

3x + 2 = 14

3x + 2 = 14

3x = 14 - 2

3x = 12

x = 12/3

x = 4

300

4f - 2 = 14

4f - 2 = 14

4f = 14 + 2

4f = 16

f = 16/4

f = 4

400

x/5  - 1 = 2

x/5  - 1 = 2

x/5 = 2 + 1

x/5 = 3

x = 3 (5)

x = 15

500

x/2 - 4 = 6

x/2 - 4 = 6

x/2 = 6 + 4

x/2 = 10

x = 10 (2)

x = 20

Solving Three-Step Equations

100

3g + 2g + 1 = 21

3g + 2g + 1 = 21

5g + 1 = 21

5g = 21 - 1

5g = 20

g = 20/5

g = 4

200

4a + 2a + 3 = 15

4a + 2a + 3 = 15

6a + 3 = 15

6a = 15 - 3

6a = 12

a = 12/6

a = 2

300

10y - 2y + 3 + 2 = 13

10y - 2y + 3 + 2 = 13

8y + 5 = 13

8y = 13 - 5

8y = 8

y = 8/8

y = 1

400

9s + s + 3 - 1 = 22

9s + s + 3 - 1 = 22

10s + 2 = 22

10s = 22 - 2

10s = 20

s = 20/10

s = 2

500

10 ( 2 + 3z) = 110

z = 3

Multi-Step Equations

100

6x - 2(x - 5) = 46

6x -2x +10 = 46

4x +10 = 46

4x = 36

x = 9

200

2(3x - 4) + 5 = 4x + 9

6x - 8 + 5 = 4x + 9

6x - 3 = 4x + 9

2x = 12

x = 6

300

−5(4x − 2) = −2(3 + 6x)

-20x + 10 = -6 - 12x 

-8x + 10 = -6

-8x = -16

x = 2

400

5(2x + 6) = −4(−5 − 2x) + 3x

+100 BONUS POINTS

10x + 30 = 20 + 8x + 3x

10x + 30 = 20 + 11x

 -x + 30 = 20

-x = -10 

x = 10

500

2(x + 7) – 34 = -7x + 4(x – 1)

+200 BONUS POINTS

2x +14 -34 = -7x + 4x - 4

2x - 20 = -3x - 4

5x = 16

x = 3.2