Inequality
Symbols
Symbols
What does < mean?
>
Solve:
x + 4 = 12
x = 8
is 12 < 14?
False!
What is the inverse operation of division?
Multiplication
What does > mean?
is greater than
<
Solve:
5x = 20
x = 4
is 6 ≤ 6?
True!
What is the inverse operation of addition?
Subtraction
What does ≤ mean?
is less than or equal to
≥
Solve:
-5 + x = 15
x = 20
True!
What is the inverse operation of multiplication?
Division
What does ≥ mean?
is greater than or equal to
≤
Solve:
20x = 40
is 30 ≥ 100?
False!
What is the inverse operation of subtraction?
Addition