Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction.

Front

What is absolute value?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. It is always a non-negative number.

Front

How do you find the absolute value of a negative number?

Back

To find the absolute value of a negative number, remove the negative sign. For example, the absolute value of -5 is 5.

Front

What is the absolute value of -19?

Back

The absolute value of -19 is 19.

Front

Which is greater: -5 or -9?

Back

-5 is greater than -9 because it is closer to zero on the number line.

Front

How do you compare rational numbers?

Back

To compare rational numbers, convert them to a common denominator or decimal form, then compare their values.

Front

What is the decimal form of 1/4?

Back

The decimal form of 1/4 is 0.25.

Front

What is the sum of -3 and 5?

Back

The sum of -3 and 5 is 2.

Front

What is the difference between 4 and -2?

Back

The difference between 4 and -2 is 6.