We present a case study of teaching and learning fraction addition on number lines in one 6th-grade classroom that used the Connected Mathematics Project Bits and Pieces II materials. Our main ...

To solve basic math operations — and more complicated ones down the road — kids need problem-solving skills and number sense. Number sense is the ability to understand what numbers mean, how they ...

Text in an Excel cell may span several lines. For example, cells in a sheet listing employees may contain extended comments on each worker's performance. Excel controls the number of lines in such a ...