Counting, Adding, Subtracting to 100/120: 100th Day of School Centers

Grade Levels
1st - 2nd
Resource Type
Formats Included
  • PDF
90 pages
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In this resource you will find 7 ready-to-print math centers, coordinating labels, and visual directions for your math-center bins. These games allow students the opportunity to practice building, composing, and decomposing 100 and/or 120.

These centers and games could be used as a part of your daily/weekly math centers, What I Need (WIN) review days, 100th/120th Day of School celebrations, morning tubs, and/or take-home math games.

Go Fish or Make-a-Match (card game)

I can find two addends whose sum is 100/120.

Close the Circle (board game)

I can add within and beyond 100/120, counting by 10s.

Puzzle It!** (puzzles)

I can count within 100/120, starting at any number.

Is It 100/120? (sort)

I can represent 100/120 in different ways.

Sum Pathway (board game)

I can find addends with a sum of 100.

Difference Pathway (board game)

I can find subtrahends that have a difference of 100/120.

Race to 100/120** (board game)

I can count within 100/120 starting at any number.

**Games included in duplicate form in my Kinder, 1st, and/or 2nd Grade Math Centers packs and therefore were not considered when pricing this resource.

Knowing that state standards differ for 1st and 2nd grade between states, the same set of materials for working to 100 and 120 are included. This file is broken into two sections. The first section works to 100 and the second section is the same set of centers and games but works to 120. Having both options allows you to make the best decision for your school, classroom, and students.

Happy Teaching,

Catherine – The Brown Bag Teacher

Total Pages
90 pages
Answer Key
Teaching Duration
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to see state-specific standards (only available in the US).
Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.


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