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 negative rational numbers?

Back

To add two negative rational numbers, you add their absolute values and keep the negative sign.

Front

What is the sum of a positive and a negative rational number?

Back

The sum of a positive and a negative rational number is found by subtracting the smaller absolute value from the larger absolute value and taking the sign of the number with the larger absolute value.

Front

What is the result of adding two positive rational numbers?

Back

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

Front

How do you add decimals?

Back

To add decimals, align the decimal points and add each column, carrying over as necessary.

Front

What is the sum of -2.61 and -6.88?

Back

The sum of -2.61 and -6.88 is -9.49.

Front

What is the result of adding 9 and -6.73?

Back

The result of adding 9 and -6.73 is 2.27.

Front

How do you add a positive number to a negative number?

Back

To add a positive number to a negative number, subtract the smaller absolute value from the larger absolute value and take the sign of the larger absolute value.

Front

What is the sum of -40 and 15.05?

Back

The sum of -40 and 15.05 is -24.95.

Front

What is the result of adding 34.5 and -7?

Back

The result of adding 34.5 and -7 is 27.5.