Week 7

Front

What is the result of 2 - (-2)?

Back

4

Front

What is the result of 10 + 3 - (-8)?

Back

21

Front

What is the result of -10 - 7?

Back

-17

Front

What is the result of (-38) - 30?

Back

-68

Front

What is the result of 2 - (-9) - 8?

Back

3

Front

Define subtraction of a negative number.

Back

Subtracting a negative number is equivalent to adding its positive counterpart.

Front

What is the rule for subtracting negative numbers?

Back

When you subtract a negative number, you add its absolute value.

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

What happens when you add a positive number to a negative number?

Back

The result depends on the absolute values; if the positive number is larger, the result is positive.

Front

What is the result of adding zero to any number?

Back

Adding zero to any number does not change the value of that number.