Three experiments report classroom instruction derived from cognitive research and focused on moving children across two developmental transitions: from counting-all to counting-on with entities ...

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 ...

Little kids are looking at a lot of dots these days. The theory behind this increasingly popular practice is that an ...

As surely as 2+2=4, it also equals a beginning step on students’ mathematics journey. Single-digit addition facts like these are so heavily used in mathematics that it’s critical that students ...

A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...

In Boston public schools, 3, 4 and 5-year-olds are getting their first introduction to math. Before they walk through the kindergarten door, the “Building Blocks” curriculum is designed to encourage ...

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