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Unit Essential Questions
What are integers? When do we work with integers in the
real world? How do we add and subtract
integers?
Lesson Essential Questions
What are integers? What situations can be represented
with integers? In what ways can we order and
compare integers?
Key Vocabulary
Integers Positive Numbers Negative Numbers Positive Integers Negative Integers Addends Sum Difference Opposites
Integers Whole numbers
and their opposites are integers such as 6 and -6.
Zero is also a whole number.
0 6-6
Opposites
DefinitionOpposite Numbers – numbers
that are the same distance from zero in the opposite direction
0 1 2 3 4 5 6-1-2-3-4-5-6
Negative Numbers Are Used to Show Debt
Let’s say your parents bought a car buthad to get a loan from the bank for $5,000.When counting all their money they add in -$5.000 to show they still owe the bank.
INTRODUCTION TO INTEGERS
Integers are positive and negative numbers.
…, -6, -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, +5, +6, …
Each negative number is paired with a positive number the same distance from 0 on a number line.
-3 -2 -1 20 1 3
INTRODUCTION TO INTEGERS
We can represent integers using red and yellow counters.
Red tiles will represent negative integers, and yellow tiles will represent positive integers.
Negative integer Positive integer
INTRODUCTION TO INTEGERS The diagrams below show 2 ways to
represent -3.
Represent -3 in 2 more ways.
-3 -3
INTRODUCTION TO INTEGERS
Students may represent -3 by using 3 red tiles and any number of groups of +1 and -1 tiles
INTRODUCTION TO INTEGERS If there are the same number of red tiles as
yellow tiles, what number is represented?
It represents 0.
INTRODUCTION TO INTEGERS If there are the same number of red tiles as
yellow tiles, what number is represented?
It represents 0.
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Do you find these slides were useful?
If Yes ,Join Dreams School “Campaign for Female Education”
Help us in bringing a change in a girl life, because “When someone takes away your pens you realize quite how important education is”.
Just Click on any advertisement on the page, your one click can make her smile. We our doing our part & u ?
Eliminate Inequality “Not Women”
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