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Number Sense: Unitizing Principle

January 25, 2018

Developing Number Sense: Principles of Counting

All concepts of number sense need to be actively taught. The unitizing principle helps students develop the understanding of place value. This principle of counting is the last to be taught when all of the other principles are understood.

Unitizing Principle

When students have developed the understanding that our math system uses base ten units. Objects are grouped into ten once a number is bigger than 9. And then, into sets of 100 when the number is bigger than 99.

When this occurs, students are aware of the concept that a one appears in the tens column and a zero in the ones column.

Practice

Hands on manipulation of objects, especially base ten or snap cube manipulatives, help students learn this concept

Have students play games together with manipulatives and have them build the numbers to represent their ideas. For instance,”I had 5, but now I have 5 more. What number do I have?” Playing number games like this help children see this principle concretely and helps them to understand it in a deeper way.

Click here to see other number sense principles and activities to support number sense development!

Number Sense Freebie

I use this landscape of learning to know where each student is developmentally with number sense and to target small groups with students who have similar needs. Click on the image to be able to download this!

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Learning in Kindergarten, Math, Number Sense ·

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Number Sense: Principles of Counting »

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Hi, my name is Michelle. I am a wife, mother of two and a teacher. Our family has two dogs - one recently fostered in a rescue scenario. I love creating teaching materials to support my student's learning journey and love that this can support busy teachers with engaging activities for your students! Our family loves exploring the outdoors by hiking, biking and boating.
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I love exploring sight words with my students with I love exploring sight words with my students with interactive activities!
This Build a Snowman activity challenges students to solve the word before the snowman is finished! Find this activity now in my TpT store!

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Non-standard measurement is a joy for children! T Non-standard measurement is a joy for children! 
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GIVAWAY CLOSED! @learnandplayinfdk congratulations GIVAWAY CLOSED! @learnandplayinfdk congratulations on winning this giveaway! Please send me your email in a DM and I’ll email you the file! Thank you to all who participated!

My Number sense Google Slide Activities are finished. These are a perfect digital addition to your classroom or for distance learning.
I’ve decided to give one away to a lucky educator! 

How to enter:
1️⃣ Like and save this post
2️⃣ Leave me a comment below about the number sense concept your students struggle the most with recognizing
3️⃣ Tag an educator who also may want to win this

For additional entries
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The giveaway will be finished at 8 PM Tuesday, November 17th! 
Good luck! 💕

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