Illustrated definition of Number: A count, measurement or idea of a value. We write or talk about numbers using numerals such as 5 or five....

Number Skills are very valuable. Counting. Colorable Number Chart. Skip Counting. Number Blocks Freeplay. Place Value.

A number is a count or measurement that is really an idea in our minds. We write or talk about numbers using numerals such as 4 or four.

I want to take you on an adventure ... an adventure through the world of numbers. Let us start at the beginning:

Imagine mathematics without fractions or decimals. We only have integers, which are whole numbers, their negatives, and zero:

Real Numbers are just numbers like ... In fact ... Nearly any number you can think of is a Real Number ... Real Numbers can also be positive, negative or zero.

There are sets of numbers that are used so often they have special names and symbols ... Natural Numbers ... The whole numbers from 1 upwards. (Or from 0 upwards in some fields of

Play Guess My Number. Guess a random number.

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Whole Numbers are simply the numbers 0, 1, 2, 3, 4, 5, ... (and so on) ... No Fractions ... (But numbers like , 1.1 and 5 are not whole numbers.)