Education Technology

Names for One-Half

Subject Area
Math: Elementary Math: Algebraic Thinking
Math: Elementary Math: Number Operations
Level
K-5
Activity Time
60 Minutes
TI Calculator
TI-15 Explorer™/TI-10
Other Materials
    This is Activity 5 from the EXPLORATIONS Book:
    Uncovering Math with Manipulatives, the TI-10, and the TI-15 Explorer

    The following material is required for this activity:
  • Pencils
Resource Types
Lessons

Names for One-Half

Activity Overview

Students use their understanding of integers, fractions, decimals, and operations to find mathematical expressions that equal one-half.

Before the Activity

  • See the attached PDF file for detailed instructions for this activity
  • Print student activity sheet page 23 from the attached PDF file for your class
  • During the Activity

    Distribute the page to the class.

    Follow the activity procedures:

  • Express one-half in several different ways - using different situations, whole numbers, fractions, and decimals
  • Find different names for one-half
  • Use a calculator to record as many names for one-half as possible
  • Compare the expressions and separate them into categories
  • Select one of your categories and write more expressions that fit that category
  • Describe a real-life situation for one category
  • After the Activity

  • Review student results
  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary
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    Download Files
    Subject Area
    Math: Elementary Math: Algebraic Thinking
    Math: Elementary Math: Number Operations
    Level
    K-5
    Activity Time
    60 Minutes
    TI Calculator
    TI-15 Explorer™/TI-10
    Other Materials
      This is Activity 5 from the EXPLORATIONS Book:
      Uncovering Math with Manipulatives, the TI-10, and the TI-15 Explorer

      The following material is required for this activity:
    • Pencils
    Resource Types
    Lessons
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