Hundreds Chart

Pick a color and tap (or drag) to paint. Tap any number to learn about it. Use the pattern buttons to find hidden patterns!

Tap a number to see if it is even or odd, prime or composite, and all of its factors.

Paint color

Find the pattern

Multiples of

Start at count by

Challenges

Chart

Try this: Moving down one row adds 10. Moving right one square adds 1. What happens when you move diagonally?