Adding 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

How do you add two rational numbers with the same sign?

Back

If the rational numbers have the same signs, add the absolute values and keep the common sign.

Front

What is the result of adding a positive rational number and a negative rational number?

Back

The result depends on the absolute values of the numbers; if the positive number's absolute value is greater, the result is positive, and vice versa.

Front

What is the sum of -30 and 30?

Back

-30 + 30 = 0.

Front

If a diver is 40 feet below the surface and a fisherman is 12 feet above, how far apart are they?

Back

52 feet.

Front

What does it mean to have a negative account balance?

Back

A negative account balance indicates that the account is overdrawn, meaning the account holder owes money.

Front

How do you find the new balance after a deposit?

Back

Add the deposit amount to the current balance.

Front

What is the temperature at the North Pole after a series of changes starting from 3 degrees Celsius?

Back

-11 degrees after a series of temperature changes.

Front

What is the equation that represents Charmeal loaning $30 to her brother and then being paid back?

Back

-30 + 30 = 0.

Front

What happens when you add two negative rational numbers?

Back

When you add two negative rational numbers, the result is a negative number with the sum of their absolute values.