Adding/Subtracting Rational Number

Front

What is the result of adding two positive rational numbers?

Back

The result is a positive rational number.

Front

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

Back

The result can be positive, negative, or zero, depending on the values of the numbers.

Front

What is the sum of -9 and 5?

Back

-4

Front

What is the sum of 9 and -3?

Back

6

Front

What is the sum of -2 and -5?

Back

-7

Front

What is the result of adding -8 and 20?

Back

12

Front

How do you add two rational numbers with different signs?

Back

Subtract the absolute values and take the sign of the number with the larger absolute value.

Front

What is the sum of two negative rational numbers?

Back

The result is a negative rational number.

Front

What is the identity property of addition?

Back

The identity property of addition states that adding zero to any number does not change the value of that number.

Front

What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum.