Introduction to Inequalities
Presentation
•
Mathematics
•
6th - 9th Grade
•
Medium
Standards-aligned
Omar Alshishani
Used 37+ times
FREE Resource
11 Slides • 10 Questions
1
By Omar Shishani
2
A mathematical sentence that compares expressions contains the symbols:
<, >, ≤, ≥
3
is greater than
is more than
4
is less than
is fewer than
5
is greater than or equal to
is at least
is no less than
6
is less than or equal to
is at most
is no more than
7
Multiple Choice
Which sign matches this phrase?
There are fewer than 50 people allowed in this area.
x > 50
x < 50
x ≤ 50
x ≥ 50
8
Multiple Choice
Which sign matches this phrase?
I need at least 30 orders to meet my goal.
x > 30
x < 30
x ≤ 30
x ≥ 30
9
Multiple Choice
Which sign matches this phrase?
I see more than 15 seagulls.
x > 15
x < 15
x ≤ 15
x ≥ 15
10
Multiple Choice
Which sign matches this phrase?
I can spend no more than $20 at the store.
x > 20
x < 20
x ≤ 20
x ≥ 20
11
Multiple Choice
What is this sign? =
Greater than
Not Equal to
Greater than or Equal to
Less than or Equal to
12
A value that makes inequality true
Inequality can have more than one solution
13
14
Multiple Select
Choose all values of x that are a solution for the inequality.
X < 5
4
3
9
0
-4
15
Multiple Select
Choose all values of x that are a solution for the inequality.
X ≤ -7
-8
-7
7
-53
-3
16
Multiple Select
Choose all values of x that are a solution for the inequality.
X ≥ -15
-10
-5
0
3
-19
17
Shows all the solutions of an inequality on a number line
Open circle is used when a number is not a solution < or >
Closed circle is used when a number is a solution ≤ or ≥
18
19
20
Multiple Choice
Which inequality is represented by the graph?
x > 1
x < 1
x ≤ 1
x ≥ 1
21
Multiple Choice
Which inequality is represented by the graph?
x > 2
x < 2
x ≤ 2
x ≥ 2
By Omar Shishani
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