Practice Material
First some basic number terms:
Terms |
Description |
Base |
The foundational value of a number system which dictates the number of digits and the value of digit positions. |
Positional notation |
A system of expressing numbers in which the digits are arranged in succession, the position of each digit has a place value, and the number is equal to the sum of the products of each digit by its place value. |
Number |
A unit of an abstract mathematical system subject to the laws of arithmetic. |
Natural number |
The number 0 and any number obtained by repeatedly adding 1 to it. |
Integer |
A natural number, a negative of a natural number, or zero. |
Negative number |
A value less than 0, with a sign opposite to its positive counterpart. |
Rational number |
An integer or the quotient of two integers (division by zero excluded). |
Real number |
A value that represents a quantity along a continuous line; rational numbers are real numbers. |