Second Grade Unit 4
Pockets, Teeth, and Favorite Things
(Data Analysis)
​Duration: 2 Weeks
 October 30-November 13

Math Expressions - Unit 2:  Addition and Subtraction within 200
​Investigations -  Unit 3: Stickers, Number Strings and Story Problems
Username: Valley Elementary Test
​Password: Lilac#24
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Valley 2nd Grade Trimester Standards

CA Common Core Standards:  Measurement and Data

Represent and interpret data.
CCSS.MATH.CONTENT.2.MD.D.10
Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems1using information presented in a bar graph.


Curriculum and Pacing
Pacing
Key Lesson
Week 1:
​Investigation 1 - Working With Categorical data

Dates
Session 1.1:  Guess My Rule With People? 
Materials/Manipulatives:  
  • Plus 10 addition cards
    • (M4-R4)
    • T29, Ten-Frame Cards (Tens) Cut out ten-frame
  • Markers, Papers
  • Student Activity Book: Pages 1-2
Main Focus
  • Grouping data into categories based on similar attributes
  • Representing a set of data sorted into categories
  • Compering representations of a set of data
  • Using equations to show how the sum of the responses in each category equals the total responses collected
  • Valley Notes: Could also record data on a line plot.

Session 1.2:  Guess My Rule with Yekttis
Materials:   Main Focus:
  • Using known combinations to add two or more numbers
  • Relating the doubles and near-doubles combinations

Session 1.3:  Guess My Rule With Rules
Materials:   Main Focus:
  • Using a Venn Diagram to Represent a sorted set of data
  • Sorting a set of data by two attributes at one time
  • Choosing a survey question: Favorite Weekend Activity:  Students respond to a survey question about their favorite weekend activity and discuss ways to organize the data. 

Session 1.4:  Favorite Things
Materials:  
  • Sticks-on dots
  • Cubes
  • Circle for Guess My Rule (M45 & M46/R45 &R46)
  • Student Activity Book: Page: 5-6
Main Focus:
  • Sorting the same data in different ways
  • Describing what the data show about the group surveyed

Session 1.5:  Organizing "Favorite Things" Data
Materials:  
  • Envelopes; paper clips
  • Cubes
  • ​Student Activity Book: Pages 7
Main Focus:
  • ​Grouping data into categories based on similar attributes
  • Describing what the data show about the group surveyed
  • Sorting the same set of data in different ways
  • Representing a set of data sorted into categorie
**Students have to share the data from "Favorite Things"
Week 2:
​Investigation 2
Data Analysis
Session 2.1:  Pocket Towers 

Materials:  
  • Connecting Cubes
  • ​Sticky Notes
  • ​Student Activity Book: Pages 15-17
Main Focus:
  • Ordering, representing and describing a set of numerical data
  • Interpreting a data representation including a line plot
  • Describing important features of a set of data
  • Comparing ways of organizing data

Session 2.2:  Pocket and Data Representations

Materials:  
  • Cubes Sticks/Connecting Cubes
  • Class List
  • ​Student Activity Book: Pages 18-19
Main Focus:
  • Ordering, representing and describing a set of numerical data
  • Comparing representations of a set of data
  • Interpreting a data representation including a line plot
  • Developing strategies for combining multiple addends

Session 2.3:  How Many Teeth Have You Lost?

Materials:  
  • Cubes Sticks/Connecting Cubes
  • Sticky Notes
  • Index Cards
  • Class List
  • ​Student Activity Book: Pages 21-22
Main Focus:
  • Comparing representations of a set of data
  • Describing what the data show about the group surveyed
  • Making a plan for collecting data

Session 2.4:  Collecting Teeth Data from Other Classes

Materials:  
  • Cubes Sticks/Connecting Cubes
  • ​Student Activity Book: Pages 20-22 (completed) and 23
Main Focus:
  • Making predictions about data to be collected
  • Collecting and recording data from a survey

Classes will share data using a shared Google Document.

Session 2.5:  Comparing Teeth Data

Materials:  
  • Sticky Notes
  • Google Shared Document
  • ​Student Activity Book: Pages 27-29
Main Focus:
  • Comparing two or more sets of data

Session 2.8:  Assessment

Materials:  
  • Sticky Notes
  • Class List
  • Assessment (M57-59/R57-59)
  • ​Student Activity Book: Pages 34
Main Focus:
  • Ordering, representing and describing a set of numerical data
  • Comparing representations of a set of data
  • Interpreting a data representation including a line plot
  • Sorting a set of data by two attributes at one time
  • Using a Venn diagram to represent a sorted data
Alternative Assessment: Math Expressions - Unit 5: Lesson 10 (The cutest kitten-pictograph and bar graph)

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Additional Resources

Interactive 10 Frames

Guess My Rule With Yekttis
*If you are feeling creative and want to explore other data collection and graphing lessons, NCTM's Illuminations website is loaded.

Organizing and Representing Data Videos

Picture Graph

Line Plot

Bar Graphs

Students looking at the data (How many pockets?) after it was collected
Picture
Data was collected using note pads. Later we created a Line Plot graph using the same note pads.
Students had the opportunity to create a bar graph with the data they collected as a class.