100th day of school activities are a natural fit for Montessori schools and homeschools. With Montessori’s emphasis on concrete introductions to the decimal system, including activities such as the hundred board, the 100th day of school is a perfect time to reinforce Montessori math concepts.
Many schools and homeschools reach 100 days in late January or early February. Even if you’ve already passed 100 days, you can still do 100th day activities to observe the day you reached 100 days of school for this school year.
Here are some ideas from Montessori schools and Montessori bloggers for celebrating 100 days of school.
Montessori-Inspired 100th Day of School Activities
Hundred Chart Tray
Hundred Chart Tray from Montessori-Inspired Valentine Math Trays (hundred board extension can be used with small objects of any theme)
Hundred Chart Art
Hundred Chart Art Tray from Montessori-Inspired Valentine Math Trays
Edible 100 Chain (Photo from The Education of Ours)
100th Day of School, Celebrated at Home from The Education of Ours (Note: Don’t miss the big floor-sized hundred board!)
100-Piece Trail Mix (Photo from Barefoot in Suburbia)
100th Day Posts (making 100-piece trail mix and counting 100 golden beads) from Barefoot in Suburbia (photo from Montessori Monday)
“Montessori Hundred Days of School Show and Tell
100th Day of School from Missouri Valley Montessori School
100th Day of School Fun from Adobe Montessori
100th Day of School Posts (Freebie and Activities) from Discovery Kidzone Montessori Adventures
100th Day of School from Clemson Montessori School
Kids’ 100th Day Activities Pinterest Board
I have a Kids’ 100th Day Activities Pinterest Board with links to lots of activities and free printables for celebrating the 100th day of school. Also, be sure to check out my 100 Acts of Kindness posts linked to the Kindness Projects Pinterest Board. I’ll publish one here tomorrow, too! Recording 100 Acts of Kindness would be another great activity for a hundred board variation! 
Are you planning anything special for the 100th Day of School?
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I'm Deb Chitwood. My header photo models are my children, Christina, at 1 1/2, my son, Will, at 3, and Christina again at 16. Christina is now 22, and Will is 27. Please see the 
I love how some of these are tied to Valentine’s Day.
JDaniel4′s Mom recently posted..Preschool Math- Snowman Hole Punch Counting
Thanks … I think it’s especially fun that the 100th day of school typically happens when it’s appropriate to put out Valentine’s Day activities as well.
Deb recently posted..Montessori Monday – Montessori-Inspired Chinese New Year Activities
A great collection of ideas (as usual)
Thanks for linking up to Sharing Saturday!
chelle recently posted..Sharing Saturday #2
Thanks so much for your kind comment, Chelle! And thanks for hosting Sharing Saturday!
Deb recently posted..Montessori Monday – Montessori-Inspired Chinese New Year Activities
You have great ideas!! I’ve never thought to celebrate our 100th day, but we are always looking for an excuse to celebrate
Thanks so much for linking up to the Hearts for Home Blog Hop! Blessings!
Heather recently posted..Homeschool Week in Review: 1/20-1/26
Thanks, Heather! I never thought to celebrate the 100th day of school as a teacher or homeschooler, but I know I would now with all the awesome ideas that are available!
Deb recently posted..Montessori Monday – Montessori-Inspired Chinese New Year Activities
We just celebrated our 100th day a few weeks ago and it was so much fun! I love the Edible 100 Chain.
Thank you for linking up to the brand new Hearts for Home Blog Hop!
Jill recently posted..Reading in 1st Printable Reader Series
Thanks, Jill! Wow … you’ve been working hard since you already celebrated your 100th day a few weeks ago!
Deb recently posted..Montessori Monday – Montessori-Inspired Chinese New Year Activities
So many fun, clever ideas! Love the edible chain – so clever with counting by 10s!
I featured this at TGIF this week here – http://www.livinglifeintentionally.blogspot.com/2013/02/tgif-linky-party-61.html
Thanks for linking up and sharing your creativity! Hope to see you linked up again this week,
Beth =-)
Thanks so much for featuring my post at TGIF, Beth! I’m linked up already!
The edible chain is awesome, isn’t it?!
Deb recently posted..Montessori Monday – Montessori-Inspired Chinese New Year Activities