Quick Math Semester Review

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. The only factors of a prime number are 1 and itself.

Front

List the first four prime numbers.

Back

2, 3, 5, 7

Front

What is the decimal equivalent of 1/8?

Back

0.125

Front

How do you express '50 divided by m' in mathematical terms?

Back

50/m

Front

What does 'x - 14' represent in algebra?

Back

It represents a number that is 14 less than x.

Front

If Alex has 12 pies and serves 2 and 2/3, 3 and 3/4, and 2 and 1/2 pies, how do you find out how much he has left?

Back

You subtract the total served from 12.

Front

What is the sum of 2 and 2/3, 3 and 3/4, and 2 and 1/2?

Back

The sum is 8 and 1/12.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the expression for '14 more than a number x'?

Back

x + 14

Front

What is the difference between a whole number and a fraction?

Back

A whole number is a number without fractions or decimals, while a fraction represents a part of a whole.