Adding and Subtracting Rational Numbers

Front

What is the result of adding two negative numbers, for example, -9 + (-5)?

Back

The result is -14.

Front

What is the sum of -12 and -8?

Back

The sum is -20.

Front

What are numbers that are greater than zero and located to the right of zero on the number line called?

Back

They are called positive numbers.

Front

How do you solve the expression -4 - 10?

Back

The result is -14.

Front

What is the result of adding -31 and -7?

Back

The result is -38.

Front

What is the definition of rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers.

Front

What is the rule for adding two numbers with the same sign?

Back

When adding two numbers with the same sign, add their absolute values and keep the sign.

Front

What is the rule for adding two numbers with different signs?

Back

When adding two numbers with different signs, subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.

Front

What is the result of -5 + 3?

Back

The result is -2.

Front

What is the result of 7 + (-4)?

Back

The result is 3.