Why do we consider 100 days to be such a marker in the school year? Is it a matter of survival,
a day to beat the winter doldrums, an opportunity to teach math? Does it even matter?
Let's celebrate x 100!
I have posted 100 ideas/activities to celebrate this special day and I have included links
(at the bottom of the page) to other sites that celebrate the 100th day of school!
Enjoy x 100!

1. Play Manny's Rumble online to help students learn how to work with blocks of 1, 10, and most importantly 100!
2. Clap 100 times to start your day.
3. Create a necklace using 100 Cheerios or pieces of popcorn.
4. Write an essay with 100 letters.
5. Play the Toon University Counting to 100 game.
6. Punch 100 holes in a piece of paper and thread string through the holes.
7. Design a new alphabet with 100 letters, instead of 26.
8. Create a structure using 100 toothpicks and 100 gumdrops.
9. Write a 100 word essay describing what you would do if you found $100 dollars.
10. Illustrate addition and subtraction in a variety of bases using virtual base block manipulatives.
11. Create a collage using 100 different pieces of paper.
12. Challenge each student to blow 100 bubbles.
13.

Show students one of the 100 Days of Earthshots Videos (below). Then, ask them to journal about the photo(s) they found most interesting. Or....give students a digital camera and let them create a 100 slide show of their own earthshots!



If you don't see the embedded YouTube videos shown above use the following links to download .mp4 versions of the movies:

100 Days of Earth Shots
100 Days of EarthShots.org II - Photography Slideshow

14. Measure out a piece of paper that is 100 inches long and have students sign their name and draw a picture or write a message that describes the best thing they learned in the last 100 days. Display the paper in the hallway for all to see.
15. Listen to and watch the Bottles of Pop Song.
16. Release 100 balloons with a 100 day message and plot on a map the location of anyone who replies to your 100 day message.
17. Library media specialists can display 100 books in the library (in groups of 10) and challenge students to read 100 books between the 100th day and the end of school.
18. Have each child bring in a collection of 100 (small) things.
19. Have students cut out 100 happy faces (found in magazines or hand-drawn) and glue them to a poster to celebrate 100 happy days.
20. Listen to and watch Addem, fun number-based cartoon dramas. Watch each episode 10 times to reach 100 episodes.
21. Invite a centenarian from a local seniors' residence to meet with the children.
22. Incorporate "100 minutes of fun" in your day by starting lunch hour 20 minutes early and ending it later. Part of that 100 minutes could be spent viewing a movie...how about "101 Dalmations"?
23. Graph a hundred items - favourite colours, cookies, pets, etc., after interviewing 100 people in your school.
24. Play BINGO using a 100 chart.
25. Play the Count Along to 100 game.
26. Give student an opportunity to write a futuristic essay that predicts how people will live 100 years from now.
27. Provide materials to create 100 hearts or snowflakes that can be hung in the room or strung together to make a chain.
28. See how many students can whistle for 100 seconds.
29. Trace student feet and have them cut out and color them...then, tape 100 feet along the wall of the hallway.
30. Explore whole decimal numbers with virtual Base 10 Block manipulatives.
31. Plant 100 beans (or other seeds) and chart when they sprout, how tall they are, etc.
32. Create a song using 100 notes
33. Challenge students to mix watercolors to create 100 shades/tints of a primary color.
34. Use 100 construction rectangles to create a wall of pride... ask students to write one thing they appreciate about their school on each rectangle.
35. Play the Counting to One Hundred game online.
36. Count out and link 100 paperclips.
37. Count brush strokes as you brush your hair to reach 100.
38. Pour 100 jellybeans into a tall, narrow jar and another 100 jellybeans into a short, wide jar. Ask students which jar holds more; then, practice counting them as you distribute jellybeans in groups of 10 into Dixie cups.

39.

Surprise students by dressing up like a 100 year old man/woman and talk about what was happening in your curricular area 100 years ago.
40. Relate number patterns up to 100 with visual patterns using the Sieve of Eratosthenes.
41. Give cooperative groups 100 playing cards and see which group uses all the cards first to create a card house structure.
42. Work collaboratively to write down the name of 100 animals.
43. Hand out printable number lines and have students chart objects you have collected in jars and different size containers. Students can draw a mark on the chart showing their estimate and then draw a mark on the chart showing the actual number of objects in a jar.
44. Listen to the song "One Hundred Years From Now" by the Byrds.
45. Explore percentages and fractions using a virtual pie chart.
46. Give each student $100 in play money and hold an auction for trinkets that you have collected throughout the year.
47. Dance to the song "100 Years Ago" by the Rolling Stones.
48. Have students take 100 steps down the hall to see who has the longest stride.
49. Run dribbling comepetitions to see who can dribble 100 times first.
50. See what 100 Jelly Beans looks like; then, see what 10 x 100 jelly beans look like.
51. Make a 100 stamp book with 10 pages and 10 stamps on each page.
52. Estimate and test how long it would take to do 100...jumping jacks, sit-ups, hops, spins, etc.
53. Create a snack with ten pieces of ten items, such as goldfish, popcorn, peanuts, m&m's, fruit loops, chocolate chips, raisins, cheerios, pretzels...Have the children count out their own and sort them.
54. Count 100 ice cubes into a container and estimate how much liquid there will be when they melt.
55. Print some of the 100 Day printables available at A to Z Teach Stuff for use in the classroom.
56. Flip a coin 100 times. Graph the number of heads and tails.
57. Check out the Hot 100 Chart at Billboard.com.
58. Make a list of 100 of the most important people in history and describe why they were important.
59. How many times can you find 100 in the newspaper?
60. Older students can try the challenging dot-to-dot activities that incorporate Roman Numeral numbers and traditional numbers found at Cartoon Magazine.com.
61. Have students list 20 foods in each of the five food guide pyramid groups.
62. In the gym, set up 10 stations with activities to do 10 times each, such as 10 shots with the floor hockey puck, 10 throws with the scoops to a partner, 10 jumping jacks, 10 ball bounces, 10 skips with a rope, 10 throws with beanbags into a container, 10 shots with a basketball, 10 circles with a hoola hoop, 10 bounces on the small trampoline, and 10 juggles with scarves.
63. Have the children bring in a hat from home that is covered in 100 of the same item. For example, they could bring in a baseball hat which had 100 sfety pins on it.
64. Hide 100 pieces of candy in the room. After a hunt for them, have each person call out how many pieces she/he found while everyone adds the total on calculators.
65. Starfall features an easy 100 dot-to-dot activity that you can print out as an activity.
66. Collect 100 autographs.
67. Have your students explore how many different ways they can make 100 cents.
68. Divide up 100 heart templates between a group of students. Each student writes " I am thankful for...." and fills in the blank and illustrates if time. Display all of the thankful hearts in a hallway display in the shape of the number 100.
69. Older students could explore what music will look like in 100 years or learn about what music was like 100 years ago.
70. Check out the Hip Hip Hooray for the 100th Day! lesson found at the Instructor/Scholastic web site.
71. Draw a picture of what you will look like at 100 years old.
72. Collect $100 for charity.
73. Make a list of 100 kind words.
74. Give recognition to the person served the hundredth meal in the cafeteria.
75. Visit This Day in History to learn what happened on this day 100 years ago.
76. Count out 100 days before or after your birthday.
77. See how long it takes to type one-hundred 100 times.
78. Have student close their eyes and guess when 100 seconds have passed. they open their eyes when they think the time has passed.
79. Roll a pair of dice 100 times and chart the results.
80. Play the Free Rice game. Every time you get a vocabulary word correct 20 grains of rice will be donated to the United Nations World Food Program. It's easy to donate 100 grains of rice. Warning: This site is addictive! Chances are you will find yourself donating far more than 100 grains of rice!
81. Use the numbers 1-9 in order and any operational symbols to make a number sentence equal to 100.
82. Number 100 circle stickers in green, red, blue, and yellow and place them around the room. Give each child a 100 grid and a crayon for each of the colors. Give them 20 minutes to find as many stickers as possible and color the spaces on the grid the correct color of the sticker.
83. Make a class chart of foods having 100 calories or less per serving.
84. Have 10 rubber stamps and stamp pads available. Each child stamps each of the 10 stamps 10 times. Then children can count the sets of 10 by tens to 100.
85. Celebrate the creepy centipede as you take time to read the online article: Centipedes Can Have 100 Legs. The site also includes a video featuring the creepy centipede.
86. Collect 100 cans of food for the local food pantry.
87. Distribute 100 cut-out hearts...have students write one thing they love about school on each heart. Hang the hearts from the ceiling for a colorful Valentine display.

88.

The 100th day usually falls in February, the same month as Black History Month. Have the children research and compile a list of 100 African-Americans that have made a difference.
89. Put out 100 piece puzzles for students to work on during the day.
90. Challenge students to fold 100 Origami Cranes using the directions found at How to Make Origami Peace Cranes. Follow the activity with a visit to the Kids Web Japan site to learn about the 1000 cranes. Ask students if they are ready to keep folding Cranes to reach 1000!
91. Set up 100 cereal boxes in domino fashion and have children knock them down to watch them fall.
92. Using a lite-brite, children create a design using 100 lights.
93. Give each student a number as they walk into the classroom and draw for prizes every 100 minutes throughout the day.
94. Line up 100 books from end to end to see how far they will reach.
95. Did you know the $100 bill, with features the likeness of Benjamin Franklin, is the most frequent target of counterfeiters operating outside the United States. Learn how the $100 bill getting a high-tech face lift at MSNBC.
96. Make a poster for your hallway that has 100 painted handprints.
97. Hold a penny harvest and count out the pennies in groups of 100 to be donated to a charity.
98. Use a map to plot a 100 radius from the location of your school. Incorporate Google Earth as part of the lesson to help students visualize the distance.
99. Give students 100 math problems to solve.
100. Help BT Bear catch enough blocks to reach 100 (he must catch them in groups of 10) at the BT Bear's Catch 10 site.

Other Sites that Celebrate 100 Days of School...

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