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

Solve this expression: 

14a + 4b + 7

Can't be solved; not an equation, and already in simplest terms

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

For x = y/4 is (4,16) an ordered pair?

Yes

300

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

No

400

For y = 3x, when x =4, what is the ordered pair?

(4, 12)

500

For x= y/2.5, when x =10, what is the ordered pair?

(10, 25)

TRANSFORMATIONS

100

What transformation flips a shape over an axis?

Reflection

200

What transformation moves a shape but keeps it the same size?

Translation

300

What are the two types of rotation?

Clockwise and counterclockwise

400

What are the two types of dilation?

Enlargement and reduction

500

What is the name for a pre-image and image that are the same size and shape?

Congruent

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

Write an equation to represent the change (x) in the population of Memphis between 1960 (550,000) and 1990 (725,000)

x = 725,000 - 550,000

ALGEBRA TOOLBOX

100

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

Hypotenuse

200

What is the equation for the Pythagorean Theorem?

a squared + b squared = c squared

300

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

15

400

Name a ratio that is equivalent to the ratio 2/3

Possibilities: 4/6, 6/9, 8/12, etc

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