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http://illuminations.nctm.org/LessonDetail.aspx?ID=L26

A lesson plan for grades K–2 Mathematics

Provider: National Council of Teachers of Mathematics


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This Illuminations lesson is the fourth of an eight-part unit titled &dlquo;Begin With Buttons.” In this lesson, students use buttons to create, model, and record addition sentences. They also explore commutativity in addition contexts.

This lesson is referenced in the Illuminations unit plan titled “Begin with Buttons” and is related to the Illuminations lessons titled “Button Trains,” “Many Sets of Buttons,” “How Many Buttons?,” “Numbers Many Ways,” “Lost Buttons,” “Shirts Full of Buttons,” and “Begin with Buttons: Looking Back and Moving Forward.”

North Carolina Curriculum Alignment

Mathematics (2004)

Grade 1

  • Goal 1: Number and Operations - The learner will read, write, and model whole numbers through 99 and compute with whole numbers.
    • Objective 1.01: Develop number sense for whole numbers through 99.
      • Connect the model, number word, and number using a variety of representations.
      • Use efficient strategies to count the number of objects in a set.
      • Read and write numbers.
      • Compare and order sets and numbers.
      • Build understanding of place value (ones, tens).
      • Estimate quantities fewer than or equal to 100.
      • Recognize equivalence in sets and numbers 1-99.
    • Objective 1.03: Develop fluency with single-digit addition and corresponding differences using strategies such as modeling, composing and decomposing quantities, using doubles, and making tens.
  • Goal 4: Data Analysis and Probability - The learner will understand and use data and simple probability concepts.
    • Objective 4.01: Collect, organize, describe and display data using line plots and tallies.

Grade 2

  • Goal 1: Number and Operations - The learner will read, write, model, and compute with whole numbers through 999.
    • Objective 1.01: Develop number sense for whole numbers through 999.
      • Connect model, number word, and number using a variety of representations.
      • Read and write numbers.
      • Compare and order.
      • Rename.
      • Estimate.
      • Use a variety of models to build understanding of place value (ones, tens, hundreds).
    • Objective 1.04: Develop fluency with multi-digit addition and subtraction through 999 using multiple strategies.
      • Strategies for adding and subtracting numbers.
      • Estimation of sums and differences in appropriate situations.
      • Relationships between operations.

Kindergarten

  • Goal 1: Number and Operations - The learner will recognize, model, and write whole numbers through 30.
    • Objective 1.01: Develop number sense for whole numbers through 30.
      • Connect model, number word (orally), and number, using a variety of representations.
      • Count objects in a set.
      • Read and write numerals.
      • Compare and order sets and numbers.
      • Use ordinals (1st-10th).
      • Estimate quantities fewer than or equal to 10.
      • Recognize equivalence in sets and numbers 1-10.
    • Objective 1.03: Solve problems and share solutions to problems in small groups.
  • Goal 4: Data Analysis and Probability - The learner will collect, organize and display data.
    • Objective 4.01: Collect and organize data as a group activity.
    • Objective 4.02: Display and describe data with concrete and pictorial graphs as a group activity.