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Examine an approach to adding measures of various units. An instructor demonstrates a horizontal approach to adding mixed measures by borrowing from the larger measures. The examples shown include time and length.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Incorporate the video lesson as an introduction to unit conversions
- Allow time for individuals to practice after watching the video
Classroom Considerations
- Requires an understanding of simple unit conversions
- This video is hosted on YouTube
Pros
- The horizontal method uses an approach similar to the algorithm for adding and subtracting large numbers
Cons
- Does not relate the problems to a contextual situation