Before You Begin What is a Number? A number is anything like 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 100, 200, 208, 1000, 12000, etc. Similarly, 2345, 1232, 232323, etc. are also numbers. 9 is the largest 1 digit number; 99 is the largest 2 digit number; 999 is the […]