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  • Interpretation of Symbols
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Interpretation of Symbols

Third Grade Lessons
  1. Comparing Discrete Quantities - Students compare amounts of tokens and unknown amounts of discrete quantities. In both cases they are guided to adopt line segments to represent discrete amounts and the differences between them. They are also asked to discuss composition of measures: "the difference plus the smaller amount is equal to the larger amount" and, "the larger amount minus the difference is equal to the smaller amount".
  2. Comparisons - Comparisons and comparison operators: =, ≠, <, >.
  3. Heights as Functions - In this class children will work on the functional representation of two unknown heights and on the composition of the shorter height plus the difference between the heights as equal to the second height.
  4. Symbols - Discussion about what symbols are; writing messages or "stories" with symbols; interpreting symbols.
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