折线图（10岁以上）
Line graphs (age 10+)
解读并绘制饼图和折线图，并利用这些图表解决问题。
Interpret and construct pie charts and line graphs; use these to solve problems
学习证据 / Evidence
- 从显示一天温度变化的折线图中读取数值，并识别变化趋势。
- 通过计算扇形角度，根据给定数据绘制饼图。
- 在已知总数的情况下，利用饼图确定每个扇形所代表的实际数量。
- Read values from a line graph showing temperature over a day and identify trends
- Construct a pie chart from given data by calculating sector angles
- Use a pie chart to determine the actual quantity represented by each sector given the total
评估问题 / Assessment
{{name}}能读懂饼图（例如展示家庭每周预算分配的饼图），并利用它来回答问题和解决问题吗？
Can {{name}} read a pie chart — for example, one showing how a family spends its weekly budget — and use it to answer questions and solve problems?