The significance of mathematics percentage in the sixth grade of primary school and the knowledge points of writing;

Meaning of (1) percentage: indicates that one number is a percentage of another number. Percentage refers to the ratio of two numbers, so it is also called percentage or percentage.

(2) The main connections and differences between percentage and score:

Connection: Both can express the proportional relationship between two quantities.

Differences: ① Different meanings: Percent only represents the multiple ratio of two numbers, and cannot represent the specific quantity, so it cannot take units;

Fraction can represent both a specific number and the relationship between two numbers, and the specific number can be expressed in units.

② The percentage of molecules can be integers or decimals;

The numerator of a fraction cannot be a decimal, only a natural number other than 0.

3, the percentage of writing: usually do not write in fractional form, but add "%"after the original molecule to indicate, read as%.

Percent is a special fraction, the denominator is 100 and the numerator is not an integer. Percent indicates that one number is a percentage of another number, indicating a ratio. Percentage is a common number in life. Because the denominator of percentage is unified and easy to compare, it is widely used in industrial and agricultural production, scientific research and daily work, especially in statistics.