42 Fabulous 100th Day of School Ideas (Activities, Videos & More)

You and your students have been working hard and growing like crazy this school year. So your 100th day is a day that’s definitely worth celebrating—with gusto! Here is an awesome list of educational 100th day of school ideas to complement your curriculum. And the best part may be that your students will just think they’re having fun!
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100th Day of School Math Activities
1. Go on a chocolate scavenger hunt

Hide 100 chocolate kisses around the room and set your students off on a scavenger hunt. Create 10 groups and have each group find 10 chocolates and fill a ten-frame. Once every group fills their ten-frame, they can match the numbers on the bottom of their kisses to a class hundreds chart.
2. Set up counting stations
Lay out various collections of 100 items in bowls or bins—dominoes, linking cubes, Popsicle sticks, etc.—and challenge your students with this question: What can you create with 100 (fill in the blank)? Make sure that students use all 100 items in their creation.
3. Count gumballs
Model how to draw a simple gumball machine for your students—a big circle on top of a trapezoid base that fills the entire page. Then, have students draw their own and add 100 “gumballs” to the machine using dot paints.
4. Build 100 with pattern blocks
Lay out a large supply of pattern blocks. Then, challenge students to create the number with 100 using the blocks. On a recording sheet, have them record how many of each shape they used to make the number 100.
5. Count crayons

This activity is a great station for your 100 days celebration. Let students work in pairs. They count out 100 crayons and lay them out in any beautiful pattern they choose on their desks or table.
6. Roll to 100
Roll a pair of dice and add up the numbers until you get to 100. Keep track of how many rolls it took to get there.
7. Earn 100 bucks
This is a fun (and great life skills) activity for the 100th day! Create a checklist of 100 day activities and have students check off each activity they complete. At the end of the day, reward them with $10 in play money for each activity they complete with the goal of earning $100.
8. Declare 100 the “number of the day”
On the 100th day of school, celebrate with any of the activities shown above. From writing the number to adding and subtracting to creating a number line—students will gain number sense as they celebrate a milestone day.
9. Count out 100 snacks
One of our favorite 100th day of school ideas is … what else? Snacks! To begin, put ten of each different small snacks, such as Skittles, Rice Chex, raisins, etc., into small baggies. Give each student a baggie and also a worksheet printed with 10 ten-frames. Have students count out their snacks as they fill in each of the ten-frames with like items. When they get to 100, they get to eat their snack!
10. Have fun with hundreds charts

Hundreds charts are a great source of learning and practicing number skills on 100th Day. Check out our collection of 20 different fun and engaging hundreds chart activities to do with your students.
11. Create a visual display of what 100 looks like
Have students bring in 100 pieces of a small item (beans, paper clips, pebbles, etc.) in a small plastic zipper bag. Display all of your students’ contributions on a bulletin board and observe just how different 100 things can look.
100th Day of School Reading and Writing Activities
12. Create a bucket list
Explain what a bucket list is and give a few examples. Then ask your students to think about what they hope to accomplish in their lifetime. Finally, have them create their own “Before I am 100” bucket list to record their ideas on.
13. Take a word challenge
Set a timer and challenge students to write100 words. These can be favorite words, vocabulary words, names of people in their lives, or any words they choose!
14. Write about being 100 years old

Looking for 100th day of school ideas that incorporate writing and art? Have students create a picture of what they’ll look like at 100 years old and write an essay about what the world will be like then.
15. Celebrate 100th Day with stories about the 100th day
Read-alouds always make celebrations more fun! Check out titles like 100th Day Worries by Margery Cuyler, Rocket’s 100th Day of School by Tad Hills, and The 100th Day of School From the Black Lagoon by Mike Thaler. Also, try 3 Great Books for 100th Day from Random House Children’s Books.
16. Read stories with the word “hundred” in the title
Include these favorites: Centipede’s 100 Shoes by Tony Ross, I’ll Teach My Dog 100 Words by Michael Frith, and The Hundred Dresses by Eleanor Estes.
17. Read nonfiction 100s books
Even more fun 100s reading! Check out 100 Things To Do Before You Grow Up from National Geographic Kids, 100 Most Awesome Things on the Planet by Anna Claybourne, and 100 Inventions That Made History by DK Publishing.
100th Day of School STEM activities
18. Create with 100 things
Round up individual supplies like cups, LEGO bricks, Popsicle sticks, blocks, cardboard boxes, or other items in the classroom. Then allow your students time to use their imagination and create whatever they choose.
19. Build a 100-cup tower
Encourage teamwork with this fun activity. Partner up kids and challenge them to build a 100-cup structure. The task will encourage strategy, communication, and teamwork to accomplish.
20. Put together 100-piece puzzles
Little kids love putting together puzzles! Group them into teams and give them time to work on not only their cognitive and motor skills but their social skills as well.
21. Take a bridge challenge
Use 100 craft sticks (or straws) to build a bridge and see how much weight it can hold.
22. Set up a 100-domino run
Set up a domino chain reaction using 100 dominoes. The tricky part of this activity is getting the dominoes perfectly spaced so they all fall down from beginning to end.
100th Day of School Art and Music Activities
23. Turn the number 100 into a work of art

Give students cutouts of the numbers 1, 0, and 0 and have them use their imagination to come up with an original design using the numbers. A couple of examples: a face; a cat, using one zero for the head, one for the body, and the number 1 for the tail; or a snowman, using the zeros for the head and body and the 1 as the base of a top hat.
24. Make bead necklaces
What’s more adorable than little kids stringing together colorful bead necklaces? Not only does this activity build find motor skills, it reinforces number sense.
25. Sing the 100 Days of School song
Did you know there are actually a few different versions of songs to celebrate the 100th day? Search YouTube for songs and videos by creators such as The Learning Station, The Kiboomers, and others.
26. Make a “I wish I had 100 …” collage
Have your students draw or cut out pictures of things they’d love to have 100 of, like puppies, pizzas, books, etc.
27. Make a colorful paper chain
Younger kids may sometimes find it difficult to grasp just how big the number 100 is. Let students pair up with a friend or small group, then show them how to create paper chains using 100 strips of different-colored construction paper.
28. Decorate T-shirts

100th Day is a big deal, so why not go all out and dress the part? Have students bring in a plain white or light-colored T-shirt from home on 100th Day. Have markers available and have each child write a big bubble letter 100 in the center of the front of the shirt. Next, challenge them to decorate their shirt with 100 drawings of their choice—anything from flowers to stars to smiley faces or whatever their imagination comes up with. For older students, check out these Unique 100 Days of School Shirt ideas.
100th Day of School Science Activities
29. Conduct a water-drop experiment
Using small eye droppers, students will test to see how many drops of water can fit on the surface of a penny. Before conducting this experiment, have students make predictions. See if anyone can make it to 100 without spilling a drop.
30. Count heartbeats
Pass out stopwatches and instruct students to observe and record how long it takes to count 100 heartbeats while sitting in their seats. Now get everyone up and running in place (or doing jumping jacks) for a minute and repeat the exercise.
31. Measure melting ice cubes

Freeze 100 small ice cubes before class. Gather students into groups and divide the ice cubes as evenly as possible between the groups. Have each group decide the environment in which to place their cup of ice cubes—in the sun, in the shade, up high, down low, covered, uncovered, etc. Have students mark the time they begin, then check frequently and record the time when all of their ice cubes have completely melted. Discuss the results as a whole class.
32. Plant 100 seeds
This is a good activity to start before 100 Day. Plant 100 fast-growing seeds (like radish, cress, or mustard seeds) and observe how many sprout by 100th Day.
33. Make a 100 reasons poster
Gather your students together and brainstorm 100 reasons why they love school. Answers might include their friends, the class, the teacher, etc. Draw a fun design on a large piece of chart paper; for example, a rainbow, a spiral, or a heart. Then, write the students’ responses along the edges of your design and title the poster “100 Reasons We Love ‘X’ Grade.”
34. Write “If I Had $100” essays

Imagine you are given $100 to donate to any charity in the world. How would you spend this money to make life better for someone else?
35. Brainstorm 100 acts of kindness to celebrate the 100th day
For the week leading up to the 100th day, create a poster titled “100 Acts of Kindness.” Then ask kids at circle time each day to brainstorm a few ideas to add to the poster. By the time the 100th day arrives, they’ll have 100 wonderful examples of kindness to inspire them.
36. Go on a 100-hearts scavenger hunt
Spread a little love! Cut out 100 gold hearts from shiny wrapping paper and hide them around your class before your students arrive. Wait until someone finds the first one, then challenge them to find all 100. Each time a student finds one, have them insert it into your hundreds pocket chart or onto a paper hundreds chart laid out on a flat surface.
37. Collect 100 smiles

What a joyful idea! Divide students up into 10 sets of partners (or small groups, depending on the math) and send them off to collect 10 smiles from different people around school. Have them draw one smiley face on a dry-erase board each time they get a smile. Alternatively, create a worksheet with 100 smiley face emojis and cut it into 10 smiley face strips. Students can then color in a smiley face with a highlighter for each smile they collect.
38. Celebrate how much you’ve already learned
It’s amazing how much kids can learn in just 100 days! Pass out colored sticky notes and ask students to write down or draw one of their favorite things they have learned this year. Then display them with the label “100 Things We Have Learned” to reinforce just how far you’ve all come together.
More 100th Day of School Activities
39. Get your students up and moving

Need 100th day of school ideas that get kids moving? Create a checklist worksheet of activities like 10 jumping jacks, 10 sit-ups, 10 push-ups, hop on one foot 10 times, etc., and have students color in each item as soon as they finish each activity.
40. Watch 100th Day videos
Entertaining short videos about the 100th day of school are a great way to get kids excited about the big event. Try some of these 100th Day Videos in between activities or at the end of the day.
41. Walk 100 steps
Have you ever wondered where you would end up if you took a 100-step walk from your classroom door? Ask students to predict where they would end up if they did just that. Then, head out and see how accurate their predictions are. Do it a couple of times in different directions if time allows.
42. Bop some balloons
Give each student a balloon and have them blow it up (younger children may need your help tying their balloon off). Now, challenge them to see who can bop their balloon up in the air 100 times without having it fall to the ground. This activity may require a lot of space so head outside before you begin.




