## Reflection: Connection to Prior Knowledge Filling the Shadow - Section 2: Filling the Shadow In Different Ways

While students are working on the Filling the Shadow activity, I am looking for a few things.  First of all I want to see if the students can recognize what shapes will fill a piece of the outline.  I also want to find out how the use of the vocabulary is developing.  By asking them to explain their work (as they are engaged in the activity) I can see gain an understanding of their use of the vocabulary (trapezoid, hexagon, etc.)  This observation time also allows me to see if the students can decompose shapes in different ways to change their design. The videos Explaining Her Thinking and Explaining Her Thinking 2 are examples of this observation and conversation that I had with two students.  In the first video, you will see that the student is secure with a couple of the terms but still doesn't know the term Hexagon.  Now that I know this, I can use this information to touch base with her throughout the rest of the unit (until she gets it).

Connection to Prior Knowledge: Reflection on Vocabulary Use

# Filling the Shadow

Unit 6: Shapes Within Shapes
Lesson 1 of 4

## Objective: SWBAT find different combinations of shapes that fill the same area. SWBAT decompose shapes in different ways.

### Thomas Young

203 Lessons14 new

## Big Idea: Variety is the spice of life and the concept of the day as students fill the same pattern block outline three different ways.

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Standards:
Subject(s):
Math, Geometry, 1st Grade, decomposing, finding the sum
70 minutes

### Thomas Young

203 Lessons | 14 new

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