8th Grade CMAS Review Jeopardy!

Rational vs. Irrational

100

Which of the following numbers is irrational? 2.5656..., 2.45678..., 1/3, -8

 2.45678...

200

Which two integers will √10 fall?

 3 and 4.

300

Which is greater? √4 or 2.5

 2.5.

400

Is the square root of 289 rational or irrational?

Rational.  The square root of 289 is 17

500

List the order from least to greatest of the following numbers. 3.1,Pi, √4, 2.5

 √4, 2.5, 3.1, Pi

Exponents

100

Evaluate 3³

 27.

200

Simplify:

 (x²) x⁴

x⁶

300

Simplify a⁸/a³

a⁵

400

What is (b³ )⁵

b¹⁵

500

Solve for x:

x² -12=13

 x = 5

Distrib Property

100

Simplify: -6(a + 8)

 -6a - 48

200

Simplify: -4(-8x - 8)

 32x + 32?

300

Simplify: -7(5k - 4) + 5(10k  + 4)

15k + 48

400

Simplify: (-1/2(-6 - 4x)) 0

0

500

(1 + 9x)(-10)

 -10 - 90x

Combine Like Terms

100

12r - 8 - 12

 12r - 20

200

n + 4 - 9 - 5n

 -4n - 5

300

-3x - 9 + 15x + 7y

-9 +12x + 7y

400

2(2n-5)-3+4n

 8n-13

500

-7(n + 3) - 8(1 + 8n)

 -71n - 29

Solving Equations

100

Write the equation of a line with a slope of -5/7 and a y-intercept of 1.

y= -5/7x +1

200

Solve for x: 

2x+3x-5=15

 x=4

300

Write the equation of a line with a slope of 4 that passes through the point (-1,2) 

 y=4x + 6

400

Solve for y:

(y-3.2) / 3³  = 2.4

y = 68

500

Solve the expression if y = 8:

((y³ - 21² )2) + (1² +2² + 3² )²

338