## Reflection: Intervention and Extension Introducing the Plus Sign - Section 2: Presentation of Lesson

As I mentioned in the video, I do not use this book for everything that it has to offer.  When each number is introduced, there is a page with several dominoes and students can look for the dominoes that have dots that add up to that number.  There is even an answer key at the bottom so they can self check.  I used this as an extension activity for several of my students during this unit.  Since the book is small, I only allowed two students to use it at a time.  I had the book in what we use as the listening center during reading and I let students who finished early go over and work through the book.  They really enjoyed it and it gave them extra practice adding up the dots.

Using Domino Addition Book
Intervention and Extension: Using Domino Addition Book

# Introducing the Plus Sign

Lesson 6 of 21

## Big Idea: Students will learn the meaning of the plus sign. The plus sign is introduced using the book Domino Addition!

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Standards:
Subject(s):
Math, addition, Critical Area
55 minutes

### Christina Yingling-Smith

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