Explore fractions as parts of a set and the concept of equivalent fractions. Use area models to represent fractions. Explore fractions as parts of a set. Use fractions as parts of a set to introduce ...

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There are some basic properties of whole numbers any 3rd grader can tell you: Each number is represented by a single symbol, and followed by a single successor. Multiplication makes a number bigger; ...

There are some basic properties of numbers any 3rd grader can tell you: Each number is represented by a single symbol, and followed by a single successor. Multiplication makes a number bigger; ...