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Term
Definition
Example
Sum
The result of one number plus another one

Plus
Add up two or more numbers, +

Add
The same as plus, means more than,+

Evaluate
To evaluate is to make the denominators of the fractions in the statement to be the same and add them together as one fraction.
+ =+=
Subtract
A number is less than another one , -

Minus
Same as subtract, means less than, -

Less
Lower ; minus, -

Difference
The result of one number subtract another

Multiply
Times , *

Product
The result of a number multiplied another

Times
Multiply, *

Divide
Goes into

Quotient
The result of a number divided by another

Power
Exponent, index
42
Root
The number under the surd

Finite
Countable numbers, or numbers that ends
2.5
Approximate
About; around
≈
Round off
To express an answer as an approximate with a certain number of place
4.15≈4.2
Operations
Contains ＋－×÷
＋－×÷
Calculate
To use the certain mathematical operations (from left to right) to solve a problem. use ＋－×÷
Absolute Value
How it far away far
∣x∣
Solve
To accomplish, deal with a problem
(1+2)×3
=3×3
=9
Bracket
[ ]
[ ]
Grouping Symbol
Parentheses, braces and brackets
{ },[ ],( )
Whole Number
Numbers that are not fractions or decimals
1, 2, 3….
Fraction
Has a numerator and denominator

Improper Fraction
When the fraction’s numerator is greater than its denominator

Mixed Numeral
Contains a whole number and a fraction

Parentheses
( )
( )
Braces
{ }
{ }
Significant Figures
A kind of rounding, where we identify important numbers
2.13700000
Scientific Notation
A way of writing number, usually for numbers that are too big or too small, conveniently written in decimal way.
2.1×1027
Surd
Terms that contain the square root sign

Exact Value
The answer should be left in surd form, not rounded off to a certain number of decimal places
1, 2…
Ratio
Ratio compares two