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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; ...

For many elementary teachers, fractions have traditionally sprung to mind lessons involving pizzas, pies, and chocolate bars, among other varieties of “wholes” that can be shared. But in what many ...

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 ...

We know there are individual differences in math ability, even at a young age, but what basic cognitive tools lay the foundation for whether we are good with numbers? And specifically, what basic ...

We know there are individual differences in math ability, even at a young age, but what basic cognitive tools lay the foundation for whether we are good with numbers? And specifically, what basic ...