Christy Needham began her career as a high school math teacher. She went on to develop the math materials and curriculum for a major worldwide education company. She enjoys volunteering with math professional development within the community and at her children’s school. She currently resides in Simi Valley, California.

"Excellent supplements for standard textbooks, offering readers friendly introductions to foundational concepts while using plain language, clear examples, and end-of-chapter quizzes to reinforce key concepts."—Booklist

Christy Needham began her career as a high school math teacher. She went on to develop the math materials and curriculum for a major worldwide education company. She enjoys volunteering with math professional development within the community and at her children’s school. She currently resides in Simi Valley, California.

"Excellent supplements for standard textbooks, offering readers friendly introductions to foundational concepts while using plain language, clear examples, and end-of-chapter quizzes to reinforce key concepts."—Booklist

Christy Needham began her career as a high school math teacher. She went on to develop the math materials and curriculum for a major worldwide education company. She enjoys volunteering with math professional development within the community and at her children’s school. She currently resides in Simi Valley, California.

"Excellent supplements for standard textbooks, offering readers friendly introductions to foundational concepts while using plain language, clear examples, and end-of-chapter quizzes to reinforce key concepts."—Booklist