1 Northern Arizona University

Department of Mathematics and Statistics

2014 High School Math Day

Face OffStudents, start your brain

cells!

22

If two fair six sided dice are rolled what is the

probability that both roll 5 or higher?

[1/9]

33

[1]

Simplify:

4

40% of a given number is 16. What is 45% of

the number?

[18]

55

For what values of does

?

[none]

66

Simplify:

[4]

77

[3]

What is the greatest common factor of 9, 15,

and 24?

8

Which of the numbers

is largest?

[ ]

99

Evaluate:

[7]

1010

If three standard 6 sided dice are rolled

what is the probability that the sum is odd?

[1/2]

1111

What is the length of the hypotenuse of a right triangle with legs of

length 5 and 12?

[13]

1212

Evaluate:

[1]

1313

[April 10th]

On which calendar date was the 100th day of the

year 2014?

1414

Which of 3432, 2626, and 1234 are divisible by 4?

[3432]

1515

For what values of k is it true that,

, for all x?

[1 and -1]

1616

Solve:

[]

1717

[199]

The first odd number is 1. What is the 100th odd

number?

1818

[2000]

Evaluate:

1919

Evaluate:

[]

2020

If two fair six sided dice are rolled what is the

probability that at least one rolls 5 or higher?

[5/9]

2121

[16]

What positive number less than 20 is 45 more

when its digits are reversed?

2222

If

what is ?

[]

2323

Evaluate:

.

[5200]

2424

Evaluate:

[1]

2525

[1/2]

One of the fractions:

is a solution to the equation

.Which fraction is the

solution?

2626

What is the smallest positive integer that has

two syllables?

[seven]

2727

Factor:

[ ]

2828

[-1]

If then

2929

[]

Evaluate:

3030

[156312 and 126453]

Which of 156312, 134572, and 126453 are divisible by 3?

3131

If

what is ?

[1]