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, the absolute value of -93 is 93, written as | -93 | = 93.

Front

Compare the absolute values: | -93 | _____ | -90 |

Back

| -93 | > | -90 | because 93 > 90.

Front

What is the absolute value of -4?

Back

The absolute value of -4 is 4, written as | -4 | = 4.

Front

What does the symbol '<' mean in mathematics?

Back

The symbol '<' means 'less than'. For example, 5 < 10 means 5 is less than 10.

Front

What does the symbol '>' mean in mathematics?

Back

The symbol '>' means 'greater than'. For example, 10 > 5 means 10 is greater than 5.

Front

What does the symbol '=' mean in mathematics?

Back

The symbol '=' means 'equal to'. For example, 3 + 2 = 5 means 3 plus 2 is equal to 5.

Front

Compare the numbers: 18.5 _____ 22.1

Back

18.5 < 22.1 because 18.5 is less than 22.1.

Front

What is the value of | -4 |?

Back

The value of | -4 | is 4.

Front

If | x | = 4, what are the possible values of x?

Back

The possible values of x are 4 and -4.

Front

What is the definition of a number line?

Back

A number line is a straight line that represents numbers as points at equal intervals, with positive numbers to the right of zero and negative numbers to the left.