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Data Handling Class 1 Notes Maths Chapter 9

Collection of data

The information that is collected in numbers is called data. 
Collection of information is called data collection. 
Look at the picture carefully. Colour various animals with different colours:
Data Handling Class 1 Notes Maths Chapter 9

Picture Graph

Look at the pictures given below:
Pictures of different toys in a shop are shown.
Data Handling Class 1 Notes Maths Chapter 9This is called a picture graph.

Sorting

Mother: Jiya, please help me in sorting vegetables in the basket. Jiya did it like this.
Jiya with her motherJiya with her mother

Mother: Sorting will help me know quickly how many of each are there. Look at the vegetables in Jiya's basket and write how many are of each type.
Data Handling Class 1 Notes Maths Chapter 9Data Handling Class 1 Notes Maths Chapter 9


Edurev Tips: Sorting helps in organising things or information.

The document Data Handling Class 1 Notes Maths Chapter 9 is a part of the Class 1 Course Mathematics for Class 1.
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FAQs on Data Handling Class 1 Notes Maths Chapter 9

1. What is data handling?
Ans. Data handling refers to the process of collecting, organizing, and analyzing data to gain insights and make informed decisions.
2. What is a picture graph?
Ans. A picture graph, also known as a pictograph, is a type of graph that uses pictures or symbols to represent data. It is a visual representation of data, making it easier to understand and interpret.
3. What is the purpose of sorting data?
Ans. The purpose of sorting data is to arrange it in a specific order, such as ascending or descending. Sorting makes it easier to analyze and search for specific information within a dataset.
4. How can picture graphs be used in data handling?
Ans. Picture graphs can be used in data handling by representing numerical data using pictures or symbols. This visual representation helps in understanding patterns, trends, and comparisons in the data.
5. What are some advantages of using picture graphs?
Ans. Some advantages of using picture graphs include easy interpretation, visual appeal, and the ability to convey complex data in a simple and concise manner. Picture graphs also make it easier to spot patterns, trends, and outliers in the data.
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