Build, read, write, and represent three-digit numbers using base-10 blocks and symbols. Build, read, write (in standard and expanded form), and represent three-digit numbers using base-10 blocks and ...

Basketball player Elton Brand presents a challenge about the math behind free throw shots. Basketball player Elton Brand describes how he became an NBA star, then presents a challenge about the math ...

Algebra uses letters and symbols in the place of numbers and can be used to simplify expressions. Algebraic notation close algebraic notationA series or system of written symbols used to represent ...

HAMMONTON - Two empty clotheslines hung across the whiteboard in Kathy DiGiovanni's third-grade class at the Warren E. Sooy Jr. Elementary School. Students quickly clip a row of math equations on the ...