Math is Cool 2023

Individual Contest

100

What is the smallest number in the following list: 122, 72, 132, 85 and 69

69

200

What is the quotient of 54 and 9?

6

300

What is 3897 - 2647

1250

400

Solve for x: x - 78 = 374

x = 452

500

Arrange from least to greatest 1/4, 5, 2, 0

0, 1/4, 2, 5

Individual Contest 2

100

What is the least common multiple of 14 and 21? 

42

200

Biff notices that the weights on a rack weigh a total of 170 lbs.  If the rack holds only 5 lb weights, how many weights are on the rack? 

34 weights

300

What is the largest prime factor of 2020?

101

400

If 2¹⁵ = 8^x what is the value of x? 

5

500

How many ways can Kirb divide 10 identical coins among his 3 friends, making sure that each friend gets at least one coin?

36 ways

Individual Contest 3

100

In five days of vacation, the Johnson family drove 375 miles, 423 miles, 314 miles, 406 miles and 325 miles.  How many miles did they drive in all?

1843 miles

200

Yosh eats 3 vitamins a day.  How many will Yosh eat in a week?

 21

300

189 x 13

2457

400

32.034 - 3.545

28.489

500

$10 - ($3.75 + $.020)

$6.05

College Bowl

100

What is the product of 5 and 9

45

200

What is the perimeter of a square with side length of five

20

300

If today is Friday, what day will it be one hundred fifty seven days from now

Monday

400

Altogether, how many sides do three nonagons have?

27

500

What is the next term in the sequence: five, twenty-five, one hundred twenty five, and so on

625

College Bowl 2

100

In a class of twenty five students sixteen are boys.  What percent of the class is boys?

64%

200

How many different ways can you arrange the letters in the word ROSS, spelled R-O-S-S

2

300

What is the tens digit in the product of seventeen and twenty five?

2

400

What is one-half of three-fourths?

three-eighths

500

How many pints are in four gallons and three quarts?

38