Integers

1. Mathematics
7th Grade

2. Integers
Topic

3. By the end of the class, you will be able to:
 Learn basic concept of integers
 Determine integers on number line
 Memorize rules for addition and subtraction of integers
 Add and subtract integers
 What is absolute value?
Objectives

4. 1. Whole number
2. Negative number
3. Positive Number
4. Integer
KEY WORDS

5. Introduction
Together, the positive (or counting)
numbers, negative numbers and zero are
called INTEGERS

7. Value of integers

9. Integers FORMULA
Adding two positive integers (+) will always result in a positive
integers
Adding two negative integers (-) will always result in a
negative integers
Adding one positive (+) and one negative (-) integer will
result in:
 Positive number if positive integer is greater
 Negative number if negative integer is greater

12. a). 8 + 9 =
b). - 8 – 9 =
c). - 8 + 9 =
d). + 8 – 9 =
a). (-7) + (-6) =
b). ( 7) + (6) =
c). (- 7) + (+6) =
d). ( +7) – (+6) =