This lesson will teach you the concepts behind proper tense and subject-verb agreement, including techniques for how to spot and correct errors in agreement.

This lesson focuses on important elements of coordinate geometry to know for the ACT Math section.

This lesson reviews best practices for annotating ACT Reading passages while you read, with a focus on maximizing retention and information integration.

Most passages on the ACT Science present experiments or studies that generate data to be interpreted. This lesson reviews the important elements of these and provides the opportunity to practice with a full-length passage in the quiz.