Lial, Greenwell, Ritchey, Finite Mathematics, 9th Edition


Math Intervention for Grades 1–8+

Math Navigator Common Core is for students who struggle with math and can’t catch up. Targeted intervention modules get at the root causes or misconceptions that so often prevent student progress. Math Navigator Common Core focuses on foundational concepts to prepare students for the deep mathematical understandings of the Common Core State Standards.

Uncover Misconceptions and Identify Skill Deficiencies

Our Assessment and Reporting Online System (ARO) uncovers the many different misconceptions students have about math. Click here for a FREE Screener account that will help you uncover these misconceptions today! 


Targeted Intervention

Target misconceptions that prevent students from mastering the foundational concepts.

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Flexible Intervention

Select an intervention module that addresses your students’ specific math needs.

  • 20-day, topic-focused modules
  • 30–45 minute lessons
  • Use with any core math curriculum

Download list of all 26 modules

Precise Intervention

Determine students’ needs with a powerful Assessment and Reporting Online System.

  1. Screen
  2. Analyze
  3. Check
  4. Assess
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Program Facts

State Pages

  • Whiteboard Compatible (WBC)
  • Digital Courseware