METHODS OF ADDITION AND SUBTRACTION

Question 1

ADDING POSITIVE AND NEGATIVE NUMBERS

WHAT ARE POSITIVE AND NEGATIVE NUMBERS REFERRED TO AS?

Answer 1

SIGNED NUMBERS

Question 2

ADDING POSITIVE AND NEGATIVE NUMBERS

WHAT ARE THE TWO RULES WHEN ADDING SIGNED NUMBERS?

Answer 2

1. SAME SIGN = FIND THE SUM - PLACE COMMON SIGN IN FRONT OF RESULT
2. DIFFERENT SIGN = FIND THE DIFFERENCE - APPLY THE SIGN OF THE LARGER NUMBER

Question 3

Subtracting Positive and Negative Numbers

HOW DO YOU SUBTRACT NUMBERS WITH DIFFERENT SIGNS?

Answer 3

1. CHANGE THE OPERATION SIGN TO A PLUS AND CHANGE THE SIGN OF THE SUBTRAHEND
2. PROCEED THE SAME WAY AS ADDITION