Students will examine the structures of the Base Ten and Base Two place value systems. In this challenging math lesson, students will examine the structure of the Base Ten decimal place value ...

SAVANNAH, Ga. - To a room full of fifth graders, a one dollar bill gets attention. But the idea of turning that $1 into $5.50 thrills them! That's the benefit-to-cost ratio for the U.S. Army Corps ...

Conceptually based instruction on place value and two-digit addition and subtraction without regrouping was provided in four first-grade classrooms, and more conventional textbook-based instruction ...