Mathematics - Term 2 - Week 6

Data handling involves collecting, organizing, and interpreting information. It helps us make sense of the world around us. In this lesson, we will learn how to represent data using charts and graphs, and how to analyze this data to answer questions. We'll explore different types of data, such as categorical and numerical data, and how to use them effectively.

Let's say we conducted a survey in class to find out which fruit is the favorite among students. The results were: Apples - 5, Bananas - 3, Oranges - 4. We can represent this data using a bar graph. On the x-axis, we will list the fruits, and on the y-axis, we will show the number of votes. Each fruit will have a bar that corresponds to the number of votes it received. This visual representation helps us quickly see which fruit is the most popular.

Now, let's create a pictogram based on the following data: In a class of 20 students, 8 like soccer, 5 like basketball, and 7 like tennis. Each picture will represent 1 student. Draw a pictogram with symbols for each sport. Discuss with your partner how many symbols you will need for each sport and why this method is useful for visualizing data.

Complete the worksheet provided. It includes questions where you will need to analyze a set of data about pets owned by students in your class. You will create a bar graph to represent the data and answer questions about the most and least popular pets. Make sure to show your working clearly and check your answers for accuracy.

• To collect and organize information
• To create art
• To play games
• To write stories

Answer: To collect and organize information

Data handling is primarily about collecting and organizing information to make sense of it.

• Fruits
• Colors
• Numbers
• All of the above

Answer: All of the above

Data can be categorical (like fruits and colors) or numerical (like numbers).

Answer: A bar graph is used to represent and compare different categories of data visually.

Bar graphs help us see differences in quantities across categories easily.

• 5
• 10
• 15
• 20

Answer: 5

10 students prefer chocolate, and 5 prefer vanilla, so 10 - 5 = 5 more students prefer chocolate.

Answer: It is important to check your work to ensure accuracy and to identify any mistakes.

Checking your work helps you understand your data better and prevents errors.

• Numbers
• Pictures
• Lines
• Colors

Answer: Pictures

A pictogram uses pictures to represent quantities of data visually.

Answer: One way to collect data is by conducting a survey.

Surveys allow us to gather information from a group of people about their preferences or opinions.