Hundreds Chart

This free hundreds chart is an interactive 1 to 100 number grid you can use right in your browser. Color numbers, light up skip counting patterns, color a mystery picture, fill in missing numbers, solve arrow puzzles and download a printable chart. It works on a computer, tablet or phone with no download or sign-up.

What is a hundreds chart?

A hundreds chart is a grid of the numbers 1 to 100 in ten rows of ten. Moving one square to the right adds 1 and moving one square down adds 10. That simple layout makes place value easy to see: every number in a column ends in the same digit, and every number in a row (apart from the last) has the same tens digit. The 0 to 99 version starts each row on a multiple of ten, and the 1 to 120 chart adds two extra rows for counting past 100.

How to use it

• Color: pick a color and tap a number, or drag your finger or mouse across many. Tap a colored number again with the same color to erase it. Your coloring is saved.
• Skip count: choose Count by 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s or 25s. Add a second count to see where both land, shown with a striped square and a purple border. Start at 0 to see the multiples, or pick a start number (or tap one on the chart) to count on from it, such as 3, 13, 23 when counting by 10 from 3. The full list of numbers appears below the chart.
• Mystery picture: the clue list says which numbers to color and in which color. Color them all to reveal one of six hidden pictures. Press Check at any time to see how many are right and which squares need fixing.
• Missing: 10, 20 or 40 numbers disappear. Tap an empty square, type the number with the keys or the on-screen pad, and press OK. A wrong answer shakes and you can try again, and Reveal shows a number you are stuck on.
• Arrows: start on the green square and follow the arrows. Right is plus 1, left is minus 1, down is plus 10 and up is minus 10. Tap the square where you land, or type it. Easy uses three right and down arrows, Medium four arrows in any direction and Hard six. Show as sums writes the puzzle as a number sentence, such as 34 + 10 + 10 − 1.
• Print: choose a Filled, Blank or Missing chart (30 numbers left out) in color or black and white, and press Download PNG. You can also add your own coloring from the Color tab to the color version.

How the scores work

In Missing, your score is the share of numbers you got right on the first try, shown as a percentage when every square is filled. Green squares were right the first time, orange ones took another try, and gray ones were revealed. In Arrows, each round has six puzzles. You get two tries per puzzle, and after the second miss the tool draws the path in blue so you can follow it. Your best score for each level and your recent results are saved in your browser.

Patterns to look for

• Counting by 10s makes a straight column, because each row is 10 more than the one above.
• Counting by 5s makes two columns, the numbers ending in 5 and in 0.
• Counting by 9s makes a diagonal line going down and to the left, because adding 9 is the same as adding 10 and taking away 1.
• Counting by 11s makes a diagonal going down and to the right: plus 10 and plus 1.
• Counting by 2s and 3s together meets on 6, 12, 18 and so on, the multiples of 6.

FAQ

Can I print a blank hundreds chart?

Yes. On the Print tab, choose Blank and Black and white, then press Download PNG and print the picture. The Missing option makes a fill-in worksheet with 30 numbers left out.

What is the difference between the 1 to 100 and 0 to 99 charts?

The 1 to 100 chart ends each row on a multiple of ten, while the 0 to 99 chart starts each row on one, so all the numbers in a row share the same tens digit.

Is my work saved?

Yes. Your coloring, mystery picture progress, settings and scores are saved in your browser on this device.

Ready for multiplication? Practice your facts in Times Tables, race the clock with sums in Math Sprint, or add tiles up in 2048.