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It is January and that means that the 100th day of school is almost upon us! I have compiled a list of 100th day of school activities that I do almost every year in kindergarten.

Why Should You Celebrate the 100th Day of School?

In kindergarten, our content standards state that a child should be able to rote count to 100 by the end of kindergarten by 1’s and 10’s. My district splits up this goal into 4 smaller goals; count to 25 in 1st quarter, count to 50 by 1’s and 10’s in 2nd quarter, count to 75 in 3rd quarter, and count to 100 by 1’s and 10’s in 4th quarter. Of course, many can count to 100 before the 4th quarter and that is fine! These smaller chunks make it easier to obtain.


Since our standards and report card require counting to 100, we celebrate the 100th day of school to reinforce this skill. It is an exciting day filled with activities that, you guessed it, have our students practicing those counting skills!

To help kiddos reach their goals, we track our Counting with a graph. I have attached the graph in my freebie below. I love goal setting with the kids and they love to see progress. They add a sticker each time they meet one of the mini goals and then get a certificate once they master counting to 100 by 1’s and 10’s. So, what does a 100th day of school celebration look like?

How Do We Celebrate?

Since counting to 100 can take a long time when counting objects, I teach a lesson teaching other methods that are much quicker. We read the book, One Hundred Hungry Ants by Elinor Pinczes. I use small plastic ants that you can easily purchase from Amazon. Ours look very realistic. The always have a few that get a bit nervous seeing all these plastic ants on our reading carpet until I explain what they are. The book starts with one line of 100 ants. I demonstrate what it looks like with our 100 plastic ants. It sure does make a long line!One hundred hungry ants, 100th day of school, 100th day of school activities, count to 100 by 10’s, 100th day activities, kindergarten, teaching kindergarten, January activities, math activities, kindergarten math activities

Next, the ants go into two groups of 50, four groups of 25, five groups of 20, and last is 10 groups of 10. We discuss how we can count by 10’s and how much easier it is to count!

Last, we meet back at the table groups to practice counting objects by 10 groups of 10! They love making groups and rows! If I notice anyone struggling, then I call a small group over to go though the activity again along with explaining the concept again.

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I also start that week that the 100th day of school falls on with the book Miss Bindergarten Celebrates the 100th Day of Kindergarten. I love all the books in the Miss Bindergarten series, so the kiddos are already familiar and usually get really excited to hear a new version. In the story, Miss Bindergarten gets the classroom prepared and her students get their 100th day of school collections ready. Our class also does a collection! The story also has a growing caterpillar that tracks how many days of school they’ve had. We have one in our room. I make sure to point this out in the story.

Kindergarten math, 100tg day of school books, 100th day of school activities, teaching math in kindergartenHere is a picture of our caterpillar growing number line. We add colored strips each day with the pattern of green, yellow for 5’s, and red for 10’s. I add the 100th day hat on the 100th day of school. The kids love to see how long the caterpillar gets!

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Isn’t he cute? These two 100th day of school activities are our introduction to the day. They get the kiddos excited. I also explain that we will be doing activities where we will be counting to 100! At this point, my strugglers are looking at me and wondering how they will ever count that high! This is where I teach counting 10 groups of 10. We usually start with counting bears. Next, we extend this activity by making a 100th day of school crown with 100 stickers. I teach 2 half-day sessions, which is why I do this activity on a day prior to the 100th day. It also gives me time to get the crowns put together. I simply give the kiddos 5 strips of colored paper. I divide the paper with a thick black line to make 10 and they count your 10 stickers per half a strip.

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100th Day of School Activities

Here are the activities that happen on the 100th day of school. Some years I change them up, but most stay the same. Since I have 2 half-day sessions and time is limited, I have stations set up with volunteers. We rotate through 5 stations at about 15-20 minutes each.

  • Build a 100 cup tower: I used red solo cups. This is harder than you think! The small group had to work together to get all 100 cups up. Tip: be sure to buy extra cups. A few were stepped on and broke, this way you can easily replace them.
  • 100 snack mix: I used this templet from Firstie Favories. Using 10 frames to make groups of 10 really helps. I usually have a parent volunteer at this station. I always supply gloves to the volunteer and hand sanitizer for the kids to use before collecting the snack.
  • 100 Fruit Loop Necklace: I have yarn that has been prepped with a bit of glue at the end to keep it from coming unraveled and easier to thread. They count out 10 groups of 10 and thread on. This is a great fine motor activity! This station usually takes the longest!
  • I could eat 100…. the children write and illustrate what they would like to eat 100 of. I love hearing their answers!

Other activities that we sometimes include. Dress like you are 100 years old, collect 100 canned goods to donate to the local food bank, and 100 year old pictures, 100 exercises.

I used the app AgingBooth on iTunes is snap pics of the kiddos. This was a classroom favorite and I would print and send the pictures home.

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How We Finish Our Day

Finally, to wrap our day up, I pass out our 100th day of school collections that they bring in from home. I attached a few free printable to help you get started.

We count out our collections and compare bags to see how certain items look like they have more/less, but really have the same amount.

It is a very fun and busy day. I hope you can use some of these ideas in your classroom on the 100th day of school!

Grab your free copy of Counting to 100 goal tracking here!!

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