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E:\Working\Orange_Education\TouchPad_Maths_4\Open_Files\Chap_13\Chap_13
\ 10-Nov-2025 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

Save the Environment projects of Class 4

project topics tally Marks number of Students

Save Water
Save Trees

Save Energy 14

Reduce Pollution
Use Public Transport 5

Total

Answer the following questions after completing the table.

1. How many students are there in the class? ____________

2. Which topic is the most popular among the students? ________

3. Which topic is the least popular among the students? ________

4. How many students chose the topic “Save Water”? ________

5. How many more students chose the topic “Reduce Pollution” than the topic
“Use Public Transport”? ____________

REpRESEnting DAtA

Pictographs and bar graphs are used to represent data. They help to present
information in a way that is easy to interpret and understand.

pictograph

When pictures are used to represent information, it is called a pictorial representation.
Pictorial representations are known as pictographs.

Example 1. The following table shows the data collected regarding the number of
bottles sold by a milk-booth in a particular week. Represent it using a pictograph.

Days Monday Tuesday Wednesday Thursday Friday Saturday

number of milk
bottles sold 40 60 80 50 30 70

Solution. To represent the above data pictorially, we choose a milk bottle as a symbol.
Let the symbol of one milk bottle represent 10 milk bottles.

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Mathematics 4 Data Handling