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Quick TrainerMath Symbols and Notation
Learn to recognize common math symbols and notation and recall what each one means.
Math36 items4 levelsDifficulty 2/5
Free · no signup · works on any device
Levels
Start easy — harder levels unlock as you improve, or jump ahead anytime.
1
Basic Operations
7 items
2
Comparison & Relations
8 items
3
Algebra & Sets
10 items
4
Advanced
11 items
All 36 cards
+
plus
−
minus
×
times
÷
divide
=
equals
%
percent
√
square root
≠
not equal to
<
less than
>
greater than
≤
less than or equal to
≥
greater than or equal to
≈
approximately equal to
±
plus or minus
∝
proportional to
π
pi
∞
infinity
x²
x squared
|x|
absolute value of x
∈
is an element of
∉
is not an element of
⊂
is a subset of
∪
union
∩
intersection
∅
empty set
∑
summation
∏
product
∫
integral
∂
partial derivative
∇
gradient
∀
for all
∃
there exists
∴
therefore
∵
because
≡
is congruent to
!
factorial
