Current location - Training Enrollment Network - Mathematics courses - What does it mean to be positive or negative in the fourth grade of mathematics?
What does it mean to be positive or negative in the fourth grade of mathematics?
Positive number and negative number are relative concepts, which represent two quantities with opposite meanings that appear in pairs under certain circumstances. Any positive number preceded by a negative sign is equal to a negative number, indicating the opposite number, and the negative number is less than zero.

Negative number:

Is a mathematical term that refers to a real number less than 0, such as -3.

On the number axis, negative numbers are all on the left of 0, there is no maximum and minimum negative number, and all negative numbers are smaller than natural numbers.

Negative numbers are marked with minus sign (minus sign) "-",such as -2, -5.33, -45 and -0.6. The minus sign before a negative number equals the absolute number of a negative number. The absolute value of -2 is 2, that of -5.33 is 5.33, that of -45 is 45, and that of -0.6 is 0.6.

Negative numbers are antonyms of positive absolute values. Any positive number preceded by a negative sign is equal to a negative number.

The score can also be negative, such as -2/5, and 0 is neither positive nor negative.