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ศัพท์คณิตศาสตร์
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In Associated of
Mathematics Department & Education Hub Project
Prasat Wittayakarn School
Prasat District, Surin Province, Thailand
Collected and Edited by Narupon N. Saisema
Miscellaneous Symbol
is equal to
Miscellaneous Symbol
is not equal to
Miscellaneous Symbol
is approximately equal to
Miscellaneous Symbol
is congruence to
Miscellaneous Symbol
is greater than
Miscellaneous Symbol
is less than
Miscellaneous Symbol
is greater than or equal to
Miscellaneous Symbol
is less than or equal to
Miscellaneous Symbol
infinity
Miscellaneous Symbol
plus
Miscellaneous Symbol
minus
Miscellaneous Symbol
Multiply, times
Miscellaneous Symbol
Divide
How to Read Mathematical Notations?
Negative three
How to Read Mathematical Notations?
Negative (number) a
Exponentiation
• a raised to the power of n
• a raised to the n-th power
• a raised by the exponent of n • a to the n
Exponentiation
4
Exponentiation
2
a square
Exponentiation
3
a cube
Exponentiation
6
Bracket -2 to the sixth
Absolute Value
|4| Absolute value of 4
Absolute Value
|-5| Absolute value of -5
Operation
a plus b
Operation
a minus b
Operation: multiplication
a b
ab, ab
Operation: multiplication
a multiplied b
a times b a dot b
a b, ab, ab
Operation: Divided
a b
a/b, 𝑎
𝑏
Operation: Divided
a b, a/b, 𝑎
𝑏
a is divided by b
a divide by b
b divide a
Equation
2 + 7 = 9
2 plus 7 equal to 9
Equation
7 – 15 = -8
7 minus 15 is -8
Equation
4 x 12 = 48
4 times 12 equal 48
Equation
12 (-2) = -6
12 divided by -2 is -6
Fraction
𝑎
𝑏
a Over
b
Fraction
1
2
One
Over
two
Half
Fraction
1
4
One
Over
four
Quarter
Fraction
3
4
three
Over
four
3 Quarters
Fraction
1
3
one
Over
three
One- third
Fraction
6
11
six
Over
eleven
six- eleventh
Fraction: your turn
3
2 7
2 + = 10
2
Fraction: your turn
8
15 7
15 + =
15
15
Decimal
two point four five
Decimal
fifteen point one
Decimal
489.106 four hundred eighty nine
point one o six
Repeating Decimal
5.111… Five point one one one
and so forth
The ration of a to b
The ration of 3 to 5
Square root
𝑎 Square root of
(the real number) a
Square root
5 The positive
square root of five
Square root
− 8 The negative
square root
of
eight
