1. 9-1 Meaning of Integers
Math Notes
Number Sense 1.5

2. Terminology
The coldest temperature ever recorded was in
Alaska 1972. It was -80˚F.
The hottest temperature reached + 134˚F in Death
Valley, CA in 1913.
The numbers -80 and + 134 are called
INTEGERS.
INTEGERS consist of WHOLE numbers and
their OPPOSITES

3. Integers Explained

4. Integers Explained

5. Integers Explained
0

6. Integers Explained
Zero is neither
positive nor
negative.
0

7. Integers Explained
Zero is neither
positive nor
negative.
0
Positive
Positive integers
are greater than 0

8. Integers Explained
Zero is neither
positive nor
negative.
0 + 1 +2 +3 +4 +5 +6
Positive
Positive integers
are greater than 0

9. Integers Explained
Zero is neither
positive nor
negative.
0 + 1 +2 +3 +4 +5 +6
Negative Positive
Negative integers Positive integers
are less than 0 are greater than 0

10. Integers Explained
Zero is neither
positive nor
negative.
-6 -5 -4 -3 -2 - 1 + 1 +2 +3 +4 +5 +6
0
Negative Positive
Negative integers Positive integers
are less than 0 are greater than 0

11. Integers Explained
Zero is neither
positive nor
-5 is the opposite of... negative.
-6 -5 -4 -3 -2 - 1 + 1 +2 +3 +4 +5 +6
0
Negative Positive
Negative integers Positive integers
are less than 0 are greater than 0

12. Integers Explained
Zero is neither
positive nor
-5 is the opposite of... negative. +5
...
-6 -5 -4 -3 -2 - 1 + 1 +2 +3 +4 +5 +6
0
Negative Positive
Negative integers Positive integers
are less than 0 are greater than 0

13. Example of Negatives
Word Description Integer
The lowest temperature
recorded in South Dakota is -60
-60˚F
10 steps backwards -10
90 feet below sea level -90

14. Example of Positives
Word Description Integer
The highest temperature
+109
recorded in Florida is 109˚F
6 steps forward +6
a gain of 20 yards +20