GRADE 8 MATH JEOPARDY!

LIKE TERMS

100

combine like terms: 6a + 4a + 4b + 7

10a +4b+ 7

200

Combine like terms: k + 3n - 2n + 4k

5k + n

300

Combine like terms: 4(y + 9) - 3y

y - 36

400

Combine like terms and solve for x: -(x - 3x) = 48

x = 12

500

Simplify this expression: 2(-3x +5) - (4x + 4)

-10x + 6

ORDERED PAIRS

100

In an ordered pair, which number equals x and which number equals y?

x is the first number in the pair; y is the second number.

200

Is (4, 16) on the line x = y/4 ?

Yes

300

For y = 5 + 3x is (3,7) an ordered pair?

No

400

What is the y-intercept for y = 3x - 7

(0, -7)

500

What is the slope of the line perpendicular to

 3y = 4 x - 15

-3/4

Percentages

100

 102.5 is what percent of 125?

82%

200

48 is 32% of what number?

150

300

There are 66 cars in the parking lot on Tuesday.  On Friday there are 105 cars.  What is the percent increase from Tue?sday to Friday

approx 59%

400

A hoodie costs $65. The sales tax is 6%. What is the amount of tax?

$3.90

500

Find the selling price of a $36 item after a 45% markup?

$52.20

EQUATIONS AND INEQUALITIES

100

Solve for x: x - 9 = 2

11

200

Write an expression to represent : x is greater than 11

x > 11

300

Solve for x: x/4 + 7 = 3

x = -16

400

Fill in the 3 possible symbols: 6(4) _____ 24

Equals, greater than or equal to, less than or equal to

500

4x² - 10 = 54

x =4, and -4

ALGEBRA TOOLBOX

100

What is another name for the longest side of a right triangle?

Hypotenuse

200

Is this a right triangle? 9cm, 15cm and 12cm

yes

300

A 12 oz container of soda has 180 calories. How many calories are in one ounce of the soda?

15

400

-3(x - 4) < 

x > 12

500

On a map, the distance between Charleston and Mt. Pleasant is 3.2 cm. The scale is 1 cm = 25 mi. What is the actual distance between the two towns?

80 mi