In today’s seventh-grade mathematics lesson, the focus was on Topic 9, which involves interpreting and constructing frequency tables and bar charts. The students reviewed how to create frequency tables for ungrouped data and discussed the significance of grouping data when necessary. They also learned to construct bar charts using ungrouped discrete data derived from these frequency tables, exemplified by a case study on a shop selling bags of carrots throughout the week. The lesson emphasized the importance of visualizing data effectively, with bar charts illustrating the number of bags sold each day.