• Elementary Mathematics Grade 2 Unit 5

    Subject: Mathematics
    Grade: 2 
    Timeline: 7 days
    Unit 5 Title: Graphing and Interpreting Data

    Unit Overview: 
    This unit will give students the opportunity to draw picture graphs, bar graphs, and line plots to represent data. Students will solve simple put-together, take-apart, and comparing problems using information presented in a bar graph or line plot.

    Unit Objectives:
    At the end of this unit, all students must be understand how to read and interpret data on a bar graph or line plot.

    Focus Standards:
    PA.CCSS.Math.Content.CC.2.4.2.A.4 Represent and interpret data using line plots, picture graphs, and bar graphs.(2.MD.9, 2.MD.10)

    Mathematical Practice Standards: 
    #1  Make sense of problems and persevere in solving them.  
    Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of the solution and plan a solution pathway rather than simply jumping into a solution attempt. Proficient students check their answers to problems using a different method. They continually ask themselves, “Does this make sense?” They can understand the approaches of others to solving complex problems and identify correspondences between different approaches.
    #4  Model with mathematics.  
    Mathematically proficient students can apply the mathematics they know to solve problems arising in everyday life, society, and the workplace. In early grades, this might be as simple as writing an addition equation to describe a situation.   
    #5  Use appropriate tools strategically.
    Mathematically proficient students consider the available tools 
    #6  Attend to precision.  
    Mathematically proficient students try to communicate precisely to others.  They try to use clear definitions in discussion with others and in their own reasoning.  They state the meaning of symbols they choose, are careful about specifying units of measure, calculate accurately and efficiently, and express numerical answers with a degrees of precision appropriate for the problem context.

    Concepts - Students will know:
    • What a Line Plot is
    • How to read a line plot
    • How to read a bar graph
    • How to interpret data on a graph
    Competencies -Students will be able to:
    • Create a line plot
    • Create a bar graph
    • Read a line plot
    • Read a bar graph

    • Unit 4 Assessment and Exit Slips (Quizzes)
    • Daily RSA

    Elements of Instruction:
    First Grade Common Core State Standards for Measurement and Data states that students are able to organize, represent, and interpret data with up to three categories. Students are also able to ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than another. Expect to use differentiation options for students who may not have mastery of these skills. 

    Each lesson has differentiation options for each portion of the lesson.  Additional differentiation options are listed with directions and student masters in the Teacher’s Guide to Games.  

    Interdisciplinary Connections:
    • Related Literature Books
    • Daily Math Routines

    Additional Resources / Games:
    Students will play a variety of games that directly support the content of the lesson and the overall goals for the unit. Games for unit four include:
    • Rolling for Numbers
    • Digit Game