**

*🌎*

*▾*

**

*🔑*

**

The numerical grid is a series of 100 numbers selected on the interval [0,199].

It is a tool to learn to count and recognize some properties of numbers.

The features offered help to introduce the concepts of odd and even numbers and highlight patterns in a numerical sequence.

**Click** numbers to hide them.

- To learn how to read and write numbers from 0 to 200.
- To identify even numbers and odd numbers.
- To teach number patterns and number relationships.

A number used to represent a quantity of items. A number can be recognized from its tens digit and its one or units digit.

The numbers have properties which must be recognized, such as…