UIL Mathematics Practice #1

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

How do you find the LCM of 28 and 40?

Back

To find the LCM, list the multiples of each number and find the smallest common multiple. The LCM of 28 and 40 is 280.

Front

What is the mode of a set of numbers?

Back

The mode is the number that appears most frequently in a data set.

Front

What is the mode of the following set: 23, 44, 57, 11, 43, 44, 87, 15, 9, 94, 44, 33, 21, 22, 44, 51?

Back

The mode is 44, as it appears most frequently.

Front

What does it mean to convert a number from base 10 to base 6?

Back

It means to express the number in a different numeral system, where base 6 uses digits 0-5.

Front

Convert 287 from base 10 to base 6.

Back

287 in base 10 is 1155 in base 6.

Front

How do you convert minutes to hours and minutes?

Back

Divide the total minutes by 60 to find hours, and the remainder is the minutes.

Front

Convert 182 minutes to hours and minutes.

Back

182 minutes is equal to 3 hours and 2 minutes.

Front

What is the formula for the perimeter of a square?

Back

The perimeter (P) of a square is given by P = 4s, where s is the length of a side.

Front

If the perimeter of a square is 48 cm, what is the length of one side?

Back

The length of one side is 12 cm (s = P/4 = 48/4).