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Writing
Starfall

It's the 100th day of school!

For Students K - 2nd
In this 100th day of school learning exercise, students write about if they could have 100 of anything, what would it be. Students also describe how the world will look in 100 years.
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Activity
ReadWriteThink

Read Write Think: Red Write Think: Celebrate the 100th Day of School

For Teachers Pre-K - 1st
Use the activities and resources in this lesson plan from ReadWriteThink to find ways to celebrate the 100th day of school.
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Lesson Plan
Utah Education Network

Uen: Celebrating 100

For Teachers Pre-K - K
This lesson engages students in the read aloud book of Elinor J. Pinczes, One Hundred Hungry Ants, and in daily reinforcement of counting activities. Students will engage in a number of activities connected to the 100th day of school.
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Unit Plan
PBS

Pbs Learning Media: 100 Days of School

For Students Pre-K - 1st
The 100 Days of School collection includes Videos, Documents, Interactive, and Media Gallery for Grades PreK-K, K-2, 3-5, 6-8.
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Website
Other

K 3 Learning pages.com: 100th Day of School

For Teachers Pre-K - 1st
This site features several links for kindergarten through third grade resources for the 100th Day of School. These links include activities, songs, poems and more.
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Website
Scholastic

Scholastic: Celebrate the 100th Day of School

For Teachers 3rd - 5th
This resource presents many 100th Day activity ideas. They are listed by the following subject areas: language arts, math, social studies, science and even a just for fun section.
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Lesson Plan
Success Link

Success Link: Fruit Loops Graphs

For Teachers K - 1st Standards
A lesson plan on graphing for young learners that can be adapted for older elementary students too. Use Fruit Loops for providing data that can be expressed in many different graphs.
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Website
A to Z Teacher Stuff

A to Z Teacher stuff.com: 100th Day of School

For Teachers Pre-K - 1st
How can you plan an exciting and educational 100th day of school for your students? The answers can be found in this comprehensive resource. This site features activities, lesson plans, songs, poems and more.
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Lesson Plan
ReadWriteThink

Read Write Think: Descriptive Writing and the 100th Day of School

For Teachers Pre-K - 1st
Contains plans for three lessons that teach descriptive writing skills by creating and writing about a "100th day bottle." In addition to objectives and standards, this instructional plan contains links to PDF handouts and sites used in...
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Activity
Scholastic

Scholastic Teachers: Celebrate the 100th Day of School!

For Teachers Pre-K - 1st
Scholastic has put together 100th day math ideas from several different teachers. Includes "zero, my hero", probability, sorting, measuring, estimating, counting, weighing, money, and other ideas for celebrating the 100th day.
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Lesson Plan
Better Lesson

Better Lesson: Extending Partners of 10 and 100

For Teachers 2nd
Second graders use their partners of 10 to add numbers to 1,000 in partners of 100.
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Interactive
ABCya

Ab Cya: 100 Snowballs!

For Students Pre-K - 1st
Children love to play in the snow! 100 Snowballs is an interactive activity that gives children the opportunity to have fun by clicking and dragging snowballs around a winter scene. Children can create anything they imagine as long as it...
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Website
Other

100th Day of School Activities

For Students Pre-K - 1st Standards
These mostly math-related activities are for elementary teachers to celebrate the 100th day of school.
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Whiteboard
ClassFlow

Class Flow: 100th Day of School Activities

For Teachers Pre-K - 1st
[Free Registration/Login Required] This flipchart contains various activities to celebrate the 100th day of school. These activities review numbers and operations for second and third grade. Writing is also incorporated into several of...
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Website
abcteach

Abcteach: 100 Days of School Poem

For Teachers 3rd - 5th
The PDF document features a poem about reaching the 100th day of school.
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Graphic
History is Fun

Jan Brett: Happy 100th Day of School Coloring Page Pdf

For Students Pre-K - 1st
Print out this illustrated PDF file page created by Jan Brett to color and celebrate the 100th day of school.
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Interactive
Starfall

Starfall: Hundredth Day of School

For Students Pre-K - 1st
Early readers can practice their counting skills with this short online storybook based on the hundredth day of school.
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Activity
Other

Teachers first.com: 50 Ideas for the 100th Day of School

For Teachers Pre-K - 1st
Great ideas for "100th Day" activities. Most of these would be a good challenge for upper elementary school students if you want to include them in your 100th Day celebration. Activities include counting, measuring, weighing, sorting,...
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Activity
Scholastic

Scholastic Instructor: Hip Hip Hooray for the 100th Day!

For Teachers Pre-K - 1st
Scholastic.com provides a reproducible coordinate grid activity on a 100 grid to help your students celebrate the 100th day of school.