Top Picks for Ninth Graders

Geometry traditionally follows the study of algebra. Jacob's Geometry is very interactive and complete for the motivated math student. UCSMP motivates all students with colorful problems and applications. The Art of Problem Solving will further develop

a classic & contemporary geometry text

Geometry: Seeing, Doing, Understanding

Harold R. Jacobs

Topic: math
Age Level: secondary
You'll use it daily

high school geometry text

Geometry (University of Chicago School Mathematics Project)

Zalman Usiskin, Daniel Hirschhorn, Arthur Coxford

Topic: math
Age Level: secondary
You'll use it daily

detailed solutions

The Art of Problem Solving Volume 1: the Basics

Sandor Lehoczky

Topic: math
Age Level: secondary
You'll use it daily