Math Jeopardy - Alyssa, Alissa, and Emily

One-Step Equations

100

x - 3 = 11

x = 14

200

x/4 = 10

x = 40

300

- 7/6 = - 1/3k

k = 7/2

400

4/5x = 8

x = 10

500

10/-27 = 2/3b

b = -5/9

Two-Step Equations

100

2 + 5x = 42

x = 8

200

1/5x + 1/3 = 4/3

x = 5

300

8 - 3/8k = -4

k = 32

400

7= (a- 9.2)/3

a= 30.2

500

v/2.2- 0.1 = 7.4

v=16.5

Multi-Step Equations

100

4 (w + 1) = 24

w = 5

200

-2 + 3/4x = 5x - 1/3

x = -20/51

300

2/3x - 1/6 = 1/2x + 5/6

x = 6

400

-3 (x - 6) +4 (x + 1) = 7x - 10

x = 16/3 or 5 1/3

500

(2x + 3)/ 4 = (x + 7)/3

x = 9.5

Inequalities (>,<, ≤, ≥)

100

y+14>22

y>8

200

12 (m - 4) ≤ 3m - 3

m ≤ 5

300

1/2c - 1/4 ≤ - 3/4

c ≤ −1

400

1.8x - 3.4 > 5.6

x > 5

500

-b / 2 + 9 ≥ -3

b ≤ 24

Inequalities (>,<)

100

-3+4...-5+4

>

200

-3-6...4-6

<

300

5 (x - 1) >2 (x+2)

x > 3

400

-3(4 * 2x) < 18

x > -3 /4

500

Amanda has $40 to spend on flowers. She wants to buy a pair of red flowers for $18 and spend the rest on lily flowers. Each lily flower cost $11. Write an inequality for the number of lily flowers she can purchase and solve.

18 + 11x ≤ 40 ; x ≤ 2