Properties of numbers

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, | -34 | = 34 and | 34 | = 34.

Front

What is the place value of the underlined digit in 803,880,042?

Back

The underlined digit (8) is in the thousands place, which represents 8,000.

Front

What is the Order of Operations in mathematics?

Back

The Order of Operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Back

The answer is 50.

Front

What is the sum of two absolute values: | -34 | + | 34 |?

Back

The sum is 68.

Front

What does it mean if a statement is 'True' or 'False' in mathematics?

Back

'True' means the statement is correct, while 'False' means it is incorrect. For example, 'Addition ALWAYS comes before subtraction' is False.

Front

What is a digit?

Back

A digit is any of the ten symbols used to write numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

Front

What is a whole number?

Back

A whole number is a non-negative number without fractions or decimals, including zero (0, 1, 2, 3, ...).

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Examples include 2, 3, 5, 7.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors. Examples include 4, 6, 8, 9.