My Pals are Here! Science Higher Order Thinking Skills (HOTS) Primary 3&4 is a set of graded questions aimed at stretching the mental abilities of competent pupils by exercising the higher order thinking skills. There is one set of questions for each chapter in the textbooks. Each set of questions is divided into two sections. The first section, Developing Your Skills, helps pupils become more familiar with employing the various process skills (Knowledge, Understanding, Application, Analysis, Synthesis, and Evaluation). The second section, Taking up the Challenge, provides further enrichment by training pupils’ inquiry skills. At the end of each set of questions there is a table indicating the precise skill addressed by each question.

Answers are provided at the back, with explanations for the more complex questions.