| aimia_m_lessonanyideas_request | Give a creative idea how to organize and what to do at a part of the lesson |
| What part of a lesson | New topic |
| Which subject | Mathematics |
| What age group | Year or Grade 7 |
| What topic | Concept of proportionality and review key vocabulary words such as proportion ratio and rate |
| Quantity | 1 |
| Any other preferences |
To begin with, the teacher can ask the students to recall a situation where they have heard the word 'proportional' or 'proportionality'. It could be from the context of cooking, finances, measurement, or any other instance where the idea of relating quantities is crucial.
After this, the teacher can provide the students with a brief overview of how proportionality works. The teacher can use an example such as the price of apples and oranges to explain the concept of proportional relationships. For instance, if the price of one apple is $1, and the price of five oranges is $5, then it is possible to say that the price of one orange is proportional to the price of one apple.
Once the concept of proportional relationships is clear, the teacher can present the key vocabulary words such as proportion, ratio, and rate. The teacher can create a table on the board and fill in examples for each term. For instance, for the term 'proportionality,' the teacher can give an example: "In a proportional relationship, the ratio of two quantities remains constant." For the term 'ratio,' the teacher can give examples such as "If there are thirty students in a classroom, and fifteen are boys, the ratio of boys to girls is 1:2." For the term 'rate,' the teacher can provide an example like "If a car travels 60 miles in one hour, the rate of the car speed is 60 miles per hour."
Finally, the teacher can present the students with an activity where they will apply their understanding of proportionality. The teacher can ask the students to organize into groups and provide each group with a set of real-life problems from the context of cooking, finances, measurement, or any other instances where proportions are significant. The students will have to identify the related quantities, use the proportional relationships, and solve the problem.
By the end of this lesson, the students will have a clear understanding of the concept of proportionality and the key vocabulary words related to it. Moreover, the activity will give the students the chance to exercise their problem-solving skills while applying their comprehension of the concept in practical situations.