Compare Decimals Using an Open Number Line

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Learn a new tactic for comparing decimals: the open number line! This is the final video in a five-part series on reading and writing decimals to the thousandths. Beginning with a review of greater than, less than, and equal symbols, the lesson continues with a discussion of how many times greater each place is than the previous place, and how greater numbers are to the left, lesser to the right. Then, multiple examples of decimals are placed on a number line, with a discussion of how to figure out where to place each decimal.

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CCSS: Designed
Classroom Considerations

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Pros

  • A common misunderstanding of forgetting that numbers can fall between the benchmark numbers on a number line is nicely explained 
Cons

  • None
Common Core