Estimate sums and differences using front-end estimation.
Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.
Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.
This link will help you better understand middle school math.