Interactive Hundreds Chart
A big, colorful hundreds chart for the smartboard. Tap any number to color it, highlight every multiple of 2, 3, 4, 5 or 10 to see the patterns, or hide all the numbers and reveal them one at a time.
Switch between 1–100, 0–99 and 1–120, and use up to six colors.
How to use it in class
- Color numbers. Pick a color and tap a number. Tap again to clear it.
- Skip count. Tap “Skip count by” 2, 3, 4, 5 or 10 to light up every multiple.
- Mystery number. Tap “Hide all”, then ask what number is under a square before tapping to reveal it.
- Change the chart. Choose 1–100, 0–99 or 1–120.
Classroom ideas
Patterns
Color the 5s in one color and the 10s in another. What do students notice?
10 more, 10 less
Tap a number and ask which number is 10 more or 10 less.
Odd and even
Skip count by 2 to show every even number.
Frequently asked questions
Does it work on a smartboard?
Yes – the squares are big and easy to tap.
Can I print it?
Use Number Lines & Hundreds Charts for printable charts.
Is there a 120 chart?
Yes, choose 1–120.
Is it free?
Yes.