Missing Numbers 1-100 Chart
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A 1 to 100 chart with squares left empty to fill in. Leave out every 2nd, 3rd, 5th or 10th number, a random mix that prints again by its mix number, or the numbers you type. US Letter or A4.
Class set
One copy for every student: type the first names and get one PDF, with each name on that student's own pages. Every student's pages use the same settings.
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Updates as you choose. Print at 100% (actual size) so nothing is cut off.
The full chart: Hundreds chart 1–100
Three ways to use it
Every tenth number
Leave out every 10th number and the whole last column is empty: 10 squares, 10 to 100.
A random mix
Mix 1 leaves out 25 numbers. The same mix number always prints the same sheet, so a second copy matches the first.
Every second number
Leave out every 2nd number and the even numbers are gone: 50 squares to fill, 2 to 100.
How to use it
- Numbers are set to Missing numbers. Choose which: every Nth number, a random mix, or My numbers.
- Type a name if you want one at the top. Leave the box empty for a plain chart.
- Press Preview to see the page, then Download PDF or Print. Print at 100% (actual size).
Ink saver leaves out the colored fills, for a black-and-white printer or to use less ink.
Charts to print
Times tables
One sheet for each table from 2 to 12: the facts, then a practice column.
Questions and answers
What is a missing numbers hundreds chart?
It is a hundreds chart with some squares left empty. Each empty square is filled in by reading the numbers around it.
What is the mix number?
A random mix is chosen by its mix number, from 1 to 9999. The number is printed on the sheet, and the same number always leaves out the same squares.
Can I choose which numbers are missing?
Yes. Choose My numbers and type them, separated by commas or spaces. Numbers outside the chart are skipped. They draw the sheet and are not kept.
Is there an answer key?
The filled-in chart is the answer key: choose Filled in under Numbers and print it with the same chart.
Can each student get a sheet with a name?
Yes. The class set prints one sheet per name, up to 30 names. Every sheet has the same missing numbers.