Give geometry a go with students in grades 7 and up using Helping Students Understand Geometry. This 128-page book includes step-by-step instructions with examp

Facilitate a smooth transition from arithmetic to algebra for students in grades 7 and up using Helping Students Understand Algebra. This 128-page book includes

Facilitate a smooth transition from arithmetic to pre-algebra for students in grades 7 and up using Helping Students Understand Pre-Algebra. This 128-page book

Facilitate a smooth transition from algebra to algebra II for students in grades 7 and up using Helping Students Understand Algebra II. This 128-page book inclu

Why are there so many formulas for area and volume, and why do some of them look alike? Why does one quadrilateral have no special name while another has severa