Winter Math Club Jeopardy

Algebra

100

Simplify 3x+5x

8x

200

Solve 2x−4=10

x = 7

300

Factorize x²+ 5x + 6  

(x + 2)(x + 3)

400

Solve for x: 3x² - 12 = 0 

x = +/- 2

500

If x²+2x−15= 0

x = 3 and x = -5

Functions

100

Identify the slope in the equation y = 3x + 2

3

200

Determine if y = x² + 4 is a linear or quadratic function

Quadratic

300

Find the vertex of y= x²− 4x + 3

V: (2, -1)

400

If f(x) = 2x + 3 what is f(5)

13

500

Solve f(x)=2x² − 3x + 1 for f(2)

5

Probability and Statistics

100

What is the probability of flipping heads on a coin?

1/2 or 50%

200

If a die is rolled, what is the probability of rolling a 3 or a 4?

1/3 or 33.3%

300

Find the mean of the data set: 2, 4, 6, 8, 10

6

400

A bag contains 3 red balls and 2 blue balls. What is the probability of picking a red ball?

3/5 or 60%

500

A card is drawn randomly from a standard deck of 52 cards. What is the probability it is a face card (Jack, Queen, or King)?

12/53 = 3/13

~23%

Puzzles

100

What is 7 + 6 × 2

19

200

What three consecutive numbers add up to 24? 

7,8,9

300

If x + y = 10 and x - y = 4, what is the value of x?

7

400

A number is doubled and then increased by 5 to give 21. What is the number?

8

500

What is the next number in the sequence: 2, 4, 8, 16, ?

32

Mental Math

100

What is 15 × 2

30

200

Divide 144 by 12

12

300

Subtract 356 − 198

158

400

What is 13²  

169

500

What is 50 x 0.2

10