Warm-Up#4(January 2): Day1

Front

-5 + -7 = ?

Back

-12

Front

4 - (-6) = ?

Back

10

Front

-4 + 5 = ?

Back

1

Front

-2 - (-8) = ?

Back

6

Front

-5 - (-9) = ?

Back

4

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

What happens when you subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of adding 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, otherwise it's negative.

Front

What is the definition of a negative number?

Back

A negative number is a number that is less than zero.

Front

What is the definition of a positive number?

Back

A positive number is a number that is greater than zero.