Rational Numbers Word Problems

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

How do you add rational numbers with different signs?

Back

To add rational numbers with different signs, subtract the absolute values and keep the sign of the number with the larger absolute value.

Front

What is the formula for finding the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle is calculated using the formula P = 2(length + width).

Front

If a number is below zero, what does that indicate?

Back

A number below zero indicates a negative value, which can represent a deficit or a position below a reference point.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the result of adding two negative rational numbers?

Back

The result of adding two negative rational numbers is always a negative rational number.

Front

How do you subtract a negative number from a positive number?

Back

Subtracting a negative number from a positive number is the same as adding the absolute value of that negative number.

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; it is always a non-negative value.

Front

How do you find the total height of a plant that is below ground and has grown above ground?

Back

To find the total height, add the depth below ground to the height above ground.

Front

What does it mean if the temperature drops by a certain number of degrees?

Back

If the temperature drops by a certain number of degrees, it means you subtract that number from the current temperature.