Geometric-measurement - Session 6: Area Learning Trajectory – Instructional tasks and teaching strategies

Part 6: Wrap up

video of math teacher

Overview

This part includes a review of the key concepts of measurement: attribute, conservation, transitivity, equal partitioning, units and unit iteration, origin, accumulation, and the relation between measurement and number.

Key Points

The eight key concepts listed above are foundational for all types of measurement. For example, regardless of the attribute being measured, all measurement involves selecting a unit and then iterating that unit (units and unit iteration). With length, the units are one dimensional, and they can be iterated by placing them end to end with no overlaps or gaps. With area, the units are two dimensional, but they can also be iterated with no overlaps or gaps to cover the entire surface of an object.

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  • DTE Home
  • Geometric Measurement Home
  • Sessions
    • Session 1: Length Learning Trajectory – Mathematical goals
    • Session 2: Length Learning Trajectory – Developmental progression
    • Session 3: Length Learning Trajectory – Instructional tasks and teaching strategies
    • Session 4: Area Learning Trajectory – Mathematical goals
    • Session 5: Area Learning Trajectory – Developmental progression
    • Session 6: Area Learning Trajectory – Instructional tasks and teaching strategies
    • Session 7: Volume Learning Trajectory – Mathematical goals
    • Session 8: Volume Learning Trajectory – Developmental progression
    • Session 9: Volume Learning Trajectory – Instructional tasks and teaching strategies
    • Session 10: Connecting dimensions of measurement

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