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# Interactive 100-chart

This interactive tool allows children to explore a 100-chart or a teacher to illustrate various math concepts, such as even and odd numbers, multiples of 5 and of 10, and skip-counting by 2, 3, 4, 5, and so on.

When you click on a number, it simply changes color. You can choose to have the chart empty, in which case clicking on a square reveals the number in it.

Besides a 100-chart, you can also make this number chart to show 20 or 1000 numbers.

Go back to the list of interactive math tools

### See also

Place value worksheets for grade 1

Free lessons for place value and comparing numbers

Bus Sums - a fun addition & subtraction activity for K-1