• 70 words
  • Checked October 2026

100th Day Spelling Words

Words for the 100th day of school, from one and ten to percent and centenarian, in three levels.

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List 1: the 100th day in ten words

Words to learn. Read each word, cover it, write it, then check it.

  1. 1.hundredWe have been here a hundred days.
  2. 2.countCount the cubes before the bell.
  3. 3.collectWe collect small things to bring in.
  4. 4.celebrateWe celebrate with paper crowns today.
  5. 5.hundredthToday is the hundredth day of class.
  6. 6.schoolOur school hung a banner in the hall.
  7. 7.numberWrite the number on the long chart.
  8. 8.groupPut the cubes in a group of ten.
  9. 9.totalThe total came to one hundred.
  10. 10.learnWe learn a little more every morning.

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All 70 words

List 1: the 100th day in ten words 10

  • celebrate We celebrate with paper crowns today.
  • collect We collect small things to bring in.
  • count Count the cubes before the bell.
  • group Put the cubes in a group of ten.
  • hundred We have been here a hundred days.
  • hundredth Today is the hundredth day of class.
  • learn We learn a little more every morning.
  • number Write the number on the long chart.
  • school Our school hung a banner in the hall.
  • total The total came to one hundred.

Level 1, List 2: short words 10

  • add Add ten and ten and ten.
  • box The box held a hundred paper clips.
  • cup This cup holds ten dry beans.
  • day Every day gets a mark on the wall.
  • dot Draw a dot for every school day.
  • each Give each friend ten beads.
  • lot A hundred is a lot of stickers.
  • one Add one more to reach a hundred.
  • set Make a set of ten shells.
  • sum The sum of sixty and forty is one hundred.

Level 1, List 3: counting by tens 10

  • eighty Eighty keeps the g and h of eight.
  • fifty Fifty days was the halfway mark.
  • forty Forty has no letter u in it.
  • ninety Ninety is ten less than one hundred.
  • one hundred We made it to one hundred days.
  • seventy Seventy is seven groups of ten.
  • sixty We clapped sixty times without stopping.
  • ten Count ten tens and you have a hundred.
  • thirty Thirty craft sticks made three bundles.
  • twenty Twenty pennies fit in my hand.

Level 2, List 4: things to collect 10

  • acorns Her bag of acorns came from the park.
  • bookmarks The class made bookmarks with numbers on them.
  • cherries He drew a hundred cherries on his poster.
  • crackers We lined up crackers ten in a line.
  • envelopes Ten envelopes held ten stamps apiece.
  • magnets A hundred magnets clung to the white board.
  • pencils A hundred pencils filled the tall can.
  • pennies Her jar of pennies was heavier than she guessed.
  • pretzels He counted the pretzels in piles of five.
  • ribbons Paper ribbons hung from the classroom door.

Level 2, List 5: counting words 10

  • addition Addition tells how many there are in all.
  • amount Guess the amount of rice in the scoop.
  • bundle Tie ten straws into one bundle.
  • compare Compare your pile with the pile beside it.
  • counting Counting by fives is quicker than by ones.
  • digit A hundred needs a third digit.
  • equal Ten dimes equal one dollar.
  • measure Measure a paper chain one hundred links long.
  • sorting Sorting the beads by color took all morning.
  • tally Make a tally mark for today.

Level 3, List 6: words built on cent 10

  • bicentennial A bicentennial marks two hundred years.
  • cent I found one cent under the rug.
  • centenarian A centenarian is a hundred years old or older.
  • centennial A centennial is a hundredth anniversary.
  • centigrade Centigrade is another name for the Celsius scale.
  • centimeter One hundred centimeters make one meter.
  • centipede A centipede has one pair of legs per segment.
  • century Our brick school is almost a century old.
  • percent Fifty percent means fifty out of each hundred.
  • percentage What percentage of the year is behind us?

Level 3, List 7: the celebration 10

  • accomplishment The class cheered her accomplishment at the door.
  • achievement Reading a hundred books is a real achievement.
  • attendance Perfect attendance means no days missed.
  • celebration The celebration began right after morning math.
  • classmates My classmates each brought a hundred small things.
  • congratulations Congratulations on a hundred days of hard work.
  • kindergarten The kindergarten class wore paper glasses.
  • mathematics Mathematics is full of patterns to find.
  • milestone Day one hundred is a milestone for the class.
  • semester By now the semester feels like an old friend.

How it works

The 100th day of school is full of spelling traps: forty drops the u of four, ninety keeps the e of nine, and achievement puts i before e.

Read the full guide

What the seven lists hold

List 1 is the day in ten words: hundred, count, collect, celebrate, hundredth. Level 1, for kindergarten and 1st grade, has short words (add, sum, dot) and the tens from ten to one hundred (two words). Level 2, for about 2nd to 4th grade, has things to collect, all plurals (pennies, cherries, envelopes), and counting words (bundle, tally, digit). Level 3, for 5th grade and up, has cent words and the celebration (milestone, achievement, congratulations). Treat the grades as a guide.

Cent is Latin for a hundred

Cent comes from the Latin centum, hundred. A century is 100 years, a centennial a 100th anniversary and a centenarian someone aged 100 or more. As a prefix, centi- means a hundred in centipede and a hundredth in centimeter.

  • Kindergarten ends in ten, not den: the word is German, built from children and garden.
  • Pennies and cherries swap the y of penny and cherry for ies.

Questions and answers

How do you spell 100th in words?

Hundredth: hundred with th added, so d, t and h sit side by side. It is in List 1. One of 100 equal parts is spelled the same way, a hundredth.

Is percent one word or two?

One word on this list. The American Heritage Dictionary enters percent first and also records per cent. Type it with a space and the results say the letters are right and to check the spaces.

Which 100th day words sound like another word?

Four have a common sound-alike: one (won), add (ad), sum (some) and cent (scent, sent). The sentence read with each word tells which one is meant.

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