Teacher Created Resources Power Pen Learning Cards: Reading Comprehension Grade 3 (6198) Each set includes content and questions that reinforce: using words in context; finding main ideas and details; identifying sequence; making inferences and predictions; analyzing and comparing information; integrating knowledge; and understanding author's purpose. Includes 53 (8" x 5") double-sided practice cards as well as instruction and answer key cards! Power Pen needed for use with cards.