Week 9

Front

What is the result of -6 + (-11)?

Back

-17

Front

What is the result of 2 - (-9)? (Use Keep Change Opposite)

Back

11

Front

What is the result of -8 + 20?

Back

12

Front

What is the result of -9 + (-5)?

Back

-14

Front

What is the result of 9 + (7 - 12)?

Back

4

Front

Define the term 'negative number'.

Back

A number less than zero.

Front

Define the term 'addition'.

Back

The process of finding the total or sum by combining two or more numbers.

Front

What does 'Keep Change Opposite' mean in mathematics?

Back

A method used to simplify subtraction of negative numbers by keeping the first number, changing the subtraction to addition, and taking the opposite of the second number.

Front

What is the sum of two negative numbers?

Back

The sum is always negative.

Front

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

Back

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