Focuses on the specialized pedagogical content knowledge that you need to teach ratios and proportions effectively in grades 6-8. The authors demonstrate how to use this multifaceted knowledge to address the big ideas and essential understandings that students must develop for success with ratios and proportions.
Memahami dan menguasai: nisbah dan kadaran
A story about a boy who wants to buy his grandfather a birthday present that the grandfather will like but that he can afford demonstrates how percentages can be used while shopping to manage money and expenses.