UIL Mathematics Practice #1

Front

What is the range of a set of numbers?

Back

The range is the difference between the highest and lowest values in a set of numbers.

Front

How do you convert the number 516 into Roman numerals?

Back

516 in Roman numerals is represented as DXVI.

Front

What is the formula for the area of a square?

Back

The area of a square is calculated using the formula: Area = side × side.

Front

What is the perimeter of a square if each side is 12 cm?

Back

The perimeter is 48 cm, calculated as: Perimeter = 4 × side.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction, meaning it cannot be written as a ratio of two integers.

Front

Which of the following is not an irrational number: π, √3, √8, or √[3]{8}?

Back

√[3]{8} is not an irrational number because it equals 2.

Front

What is the least common multiple (LCM) of two numbers?

Back

The LCM of two numbers is the smallest number that is a multiple of both.

Front

How do you find the LCM of 28 and 40?

Back

The LCM of 28 and 40 is 280.

Front

What is the area of a square with a perimeter of 48 cm?

Back

The area is 144 cm².

Front

What is the formula to calculate the LCM using prime factorization?

Back

The LCM is found by taking the highest power of each prime factor from the numbers.