Using Variables to Represent Measurements

Using Variables to Represent Measurements

Train Cars

Opening

Train Cars

Think and Discuss

  • Watch the video of a train. Pay attention to the different types of cars that make up the train.
  • Suppose the train has two flatcars. If the length of a flatcar is some number b, then the length of two flatcars can be represented as b + b, or 2b.

VIDEO: Train Cars

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