Pre-Algebra Jeopardy

Simplify Expressions

100

4x - 5 for x = 4

4*4 - 5 = 11

200

2a + 5 for a = 3

2 * 3 + 5 = 11

300

3(2y - 1) + 6 for y = 2

3(2 (2) - 1) + 6 = 15

400

3(6 - b) + 7 - 2b for b = 4

3(6 - 4) + 7 - 2(4) = 5

500

n/4 + 2n - 3 for n = 8

8/4 + 2(8) - 3 = 15

Expressions w/Exponents

100

6z^2 - x for z = 3, x = 7

6(3)^2 - 7= 47

200

3x^4 - z for x = 3, z = 10

3(3)^4 - 10 = 233

300

6L^3 - 8W^4 for L = 9, W = 2

6(9)^3 - 8(2)^4 = 4246

400

5a^3 - 10b^2 + 100c^500 for a = 3, b = 2, c = 1

5(3)^3 - 10(2)^2 +100(1)^500 = 195

500

n^2/4 + 2m^3 - 85 for n = 8, m = 3

(8^2)/4 + 2(3)^3 - 85 = -15

Solving Equations

100

c + 3.5 = - 5.4

c = -8.9

200

- 11 = 5.4 + z

z = -16.4

300

3c - 3.5c = 20.5

c = -41.00

400

6.5b - 4.5 + 7.5 = - 29.5

b = -5.00

500

- 6.5s + 5 + 6s = 25.5

s = -41.00

Solving Equations w/ Distributive property

100

24.5 = - 4.5(5d + 8.5)

d = -2.79

200

5.5(8.5a + 5) = 15.5

a = -0.26

300

- 17.5 = 5.5 + 2(f + 8.5)

f = -20

400

- 15.5 + 4k = 5.5(8k + 6)

k = -1.21

500

5.5(8.5y - 9.5) = 23.5 + 3y

y = 1.73

Expressions w/Grouping Symbols

100

(n / 2) + 3m for n=50, m=15

60

200

3(2x - 1)^4 + 6y - 9z for x=5, y=7, z= 8

3(2(5) - 1)^4 +6(7) - 9(8) = 3(10-1)^4 + 42 - 72 = 3(9)^4 + 42 - 72 = 19683 + 42 - 72 = 19653

300

10a - (b - c)^5 for a = 7, b = 6, c = 4

10(7) - (6 - 4)^5 = 70 - (2)^5 = 70 - 32 = 38

400

(2x + 3z)^4 / 12 for

(2(5) +3(3))^4 / 12 = 10860.08333

500

b + 3(2c - 5d)^2 for b= 10, c = 4, d = 3

10 + 3(2(4) - 5(3)) = 10 + 3(8 - 15)^2= 10 + 3(-7)^2 = 10 + 3(49)= 10 + 147 = 157