Data Handling Class 4 Maths Chapter 14 CBSE Notes 2025-26

This chapter introduces students to the essential concept of data handling, helping them understand the systematic way of collecting, recording, and presenting information. The story opens with Rohan and Anjali, who are curious about their friends' favourite school subjects. To find out, they consider appropriate questions and finally settle on “Which subject do you like the most?” to draw clear and focused answers from their classmates.

Rohan and Anjali's classmates share their preferences, mentioning subjects like Mathematics, Languages, Arts, The World Around Us, and Physical Education. To keep the data organized and readable, they use abbreviations: M for Mathematics, L for Languages, T for The World Around Us, A for Arts, and P.E. for Physical Education. A total of 45 students participate in this survey, and each response is recorded carefully using these short forms.

The responses collected are then counted for each subject, helping Rohan and Anjali see trends about which subjects are the most or least liked. Using a simple count and tick-mark method, the children can answer questions like how many students preferred Mathematics or Arts the most. This step-by-step recording makes data handling less confusing and helps everyone see how information can be sorted and managed effectively.

• Abbreviations simplify large data sets and prevent errors while counting.
• Each student's choice is equally valued during the counting process.
• Data collection is the foundation for making sense of larger groups’ opinions.

After collecting the information, it is displayed in a tabular format. The subjects are listed alongside a blank column for the number of students who prefer each one. Tables like these help in visually organizing the information, making it easier to compare numbers and spot which subject is the most favored.

Students are encouraged to compare this table with a simple list and discuss which way is easier to understand and why. Organizing data in this manner helps to quickly identify common and uncommon preferences and is useful for drawing quick conclusions.

• Tables make patterns obvious at a glance.
• Favourites and least favourites stand out clearly.
• Visual representation aids group discussions and insights.

Another fun activity involves recording which coloured ice golas children prefer during lunch. By colouring or marking on a diagram, students can visually represent data, making it simple to see which colour is most popular and which is the least. This visual method is a form of pictorial representation, showing how even simple drawings can help with understanding data.

1. Identify the colour with the most marks for most popular.
2. Identify the colour with the least marks for least popular.
3. Compare boys’ and girls’ preferences as well for deeper insight.

Data collection extends to finding out which students play only chess, only cricket, both games, or neither. Separate tables are used to record the number of girls and boys in each category. This information allows for direct comparisons, like determining whether boys or girls play chess or cricket more, or how many children enjoy both activities.

Students can use these organized records to answer questions directly and learn comparison skills as part of data handling.

In the Bal Mela example, Rohan and Anjali count how many people ate fruit chaats and sandwiches over three days. They record their numbers using pictographs, where each icon or symbol stands for a fixed number of items sold. Such representation is not only colourful and fun but also makes comparing sales for each day seamless. Students can fill out tables and answer questions like which day saw the most sandwich sales or which food item was most popular on a particular day.

• Pictographs give a quick view of quantity using symbols.
• They help spot trends easily, such as highest and lowest sales.
• Different days’ sales can be compared without complex calculations.

Manipulatives such as 2D shapes, Dienes blocks, nets of solid shapes, arrow cards, and fraction kits are highlighted, suggesting hands-on learning for understanding mathematical concepts. For example, nets can be cut and folded to form prisms and pyramids, supporting children’s understanding of geometry and solid shapes by allowing them to build and handle physical models.

• Dienes blocks help with number sense and calculation.
• Arrow cards enhance place value concepts.
• Fraction kits develop understanding of equal parts and fractions.

Using these aids during practice builds interest and engagement, helping children see maths in action beyond textbooks.

The chapter closes with an introduction to box diagrams for solving word problems in addition and subtraction. Three main types are discussed: combine (adding two sets together), change (how much more is added or left), and compare (seeing the difference between two amounts). For instance, determining the total number of children in two stages at school is a combine problem, while figuring out how much money increased in a piggy bank is a change problem. Compare problems help visualize the difference in age or quantity between two things.

1. Draw boxes for each group or quantity mentioned in the problem.
2. Fill known values and mark unknowns with question marks.
3. Use the correct operation (addition or subtraction) based on the diagram.

Understanding which type of word problem is being discussed helps students pick the right method for calculations and find the correct answer efficiently. Teachers are encouraged to support children in framing clear questions and focus on the use of correct mathematical terms and reasoning.

Class 4 Maths Chapter 14 Notes – Data Handling: Key Revision Points

NCERT Class 4 Maths Chapter 14 covers fundamentals of data handling, introducing collection and presentation techniques. These notes provide clear examples, tables, and simple definitions based on the latest syllabus. Strengthen your understanding of data collection, tables, and pictographs for easy revision ahead of exams.

Use these concise notes to review key activities and topics in “Data Handling” before assessments. Key pointers and step-wise explanations simplify challenging concepts, making class 4 Mathematics revision more effective and engaging for every student.