# What is a Square?

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## Objective

Students will be able to name and describe the attributes of a square.

#### Big Idea

There's a Square is a great book to use to review 2-dimensional shapes. The students will review all of the basic 2-dimensional shapes and learn about the attributes of a square.

## Problem of the Day

5 minutes

I start the lesson with a problem of the day to help students review skills and concepts from prior lessons and develop their ability to problem solve.  I call the students up to the carpet. The students find their spots while saying this chant with me.

Criss cross, applesauce, hands in your lap, eyes on the teacher, you've got to show me that.

I project the Problem of the Day on the SMART Board and say to students, "This is our Problem of the Day for today.  This says 'Name this shape.  Circle the shapes that match. Find additional examples in the classroom.'  This Problem of the Day has several parts.  What do we need to do first?"  (Name the shape).  "What is this shape?"  (A circle).  "What do we need to do next?"  (Circle the shapes that match).  I call up students to circle the circles.  "What is the last thing we need to do?"  (Find additional examples in the classroom).  I call several students to point out examples of circles in our classroom.

I tell students, "Today we are going to continue learning about shapes.  We are going to read a fun story and learn about squares!"

## Presentation of Lesson

25 minutes

I show students the book There's a Square by Mary Serfozo.  I tell students that in this story,  we will hear about a lot of shapes.  We are going to pay extra close attention to the section of the story about the square.  I read the story aloud.  When finished, I pull up this PowerPoint presentation from TeacherspayTeachers.com.  I show the second slide and ask, "What shape is this?"  (Square)  I trace over one of the sides.  "This is a side.  Each straight line that makes up a shape is called a side.  How many sides does a square have?"  (4)  I point to a corner.  "The place where two sides meet is called a corner.  How many corners does a square have?" (4)  A corner can also be called a vertex.  I sing the Square Song.  I have the students sing with me the second time.  "What else did the song tell us about squares?"  (All the sides are the same).

## Practice

20 minutes

Since the students finish their papers at different times, I circulate through the room to make sure that students are completing their papers, putting it in the tray and getting their centers.  This week's centers are:

Shape Monster Book (Hubbardscupboard.org)
My Shape Flip Book (KindergartenCrayons.blogspot.com)
Building Shapes (Teacher Made Resource, craft sticks, fruit loops, noodles and drinking straws )
Shapes - Lakeshore Instant Learning Center