PPT: Data Handling and Presentation | Mathematics (Maths) Class 6 PDF Download

 Page 1


Data Handling 
and Presentation
Page 2


Data Handling 
and Presentation
What is Data?
Definition
Data is any set of facts, 
numbers, observations, 
or measurements that 
help us understand the 
world around us.
Everyday Examples
Classmates' favorite 
colors, students' weights, 
and other information we 
encounter daily.
Importance
Understanding how to present and interpret data 
correctly helps us draw conclusions and make decisions.
Page 3


Data Handling 
and Presentation
What is Data?
Definition
Data is any set of facts, 
numbers, observations, 
or measurements that 
help us understand the 
world around us.
Everyday Examples
Classmates' favorite 
colors, students' weights, 
and other information we 
encounter daily.
Importance
Understanding how to present and interpret data 
correctly helps us draw conclusions and make decisions.
Collecting and 
Organizing Data
Gathering 
Information
Ask questions to 
collect data, like 
which activity 
friends prefer at 
a school event.
Organizing 
Responses
Group similar 
answers together 
to identify 
patterns and 
trends.
Using Tally 
Marks
Count 
preferences with 
tally marks to 
easily see which 
option is most 
popular.
Page 4


Data Handling 
and Presentation
What is Data?
Definition
Data is any set of facts, 
numbers, observations, 
or measurements that 
help us understand the 
world around us.
Everyday Examples
Classmates' favorite 
colors, students' weights, 
and other information we 
encounter daily.
Importance
Understanding how to present and interpret data 
correctly helps us draw conclusions and make decisions.
Collecting and 
Organizing Data
Gathering 
Information
Ask questions to 
collect data, like 
which activity 
friends prefer at 
a school event.
Organizing 
Responses
Group similar 
answers together 
to identify 
patterns and 
trends.
Using Tally 
Marks
Count 
preferences with 
tally marks to 
easily see which 
option is most 
popular.
Tally Marks and Ordering 
Data
Tally Marks
A quick way to 
count in groups 
of five. Draw 
four vertical 
lines, then cross 
with a diagonal 
for the fifth 
count.
Ascending 
Order
Arranging 
numbers from 
smallest to 
largest makes 
patterns easier 
to spot.
Example: 
Shoe Sizes
When Mrs. 
Sandhya's 
jumbled list of 
shoe sizes is 
ordered, size 5 
clearly emerges 
as most common.
Page 5


Data Handling 
and Presentation
What is Data?
Definition
Data is any set of facts, 
numbers, observations, 
or measurements that 
help us understand the 
world around us.
Everyday Examples
Classmates' favorite 
colors, students' weights, 
and other information we 
encounter daily.
Importance
Understanding how to present and interpret data 
correctly helps us draw conclusions and make decisions.
Collecting and 
Organizing Data
Gathering 
Information
Ask questions to 
collect data, like 
which activity 
friends prefer at 
a school event.
Organizing 
Responses
Group similar 
answers together 
to identify 
patterns and 
trends.
Using Tally 
Marks
Count 
preferences with 
tally marks to 
easily see which 
option is most 
popular.
Tally Marks and Ordering 
Data
Tally Marks
A quick way to 
count in groups 
of five. Draw 
four vertical 
lines, then cross 
with a diagonal 
for the fifth 
count.
Ascending 
Order
Arranging 
numbers from 
smallest to 
largest makes 
patterns easier 
to spot.
Example: 
Shoe Sizes
When Mrs. 
Sandhya's 
jumbled list of 
shoe sizes is 
ordered, size 5 
clearly emerges 
as most common.
Introduction to Pictographs
What is a Pictograph?
A simple way to show data using 
pictures instead of numbers.
Creating a Pictograph
Draw pictures in a chart to represent 
quantities for different categories.
Quick Visual Analysis
Pictographs allow you to identify 
most and least popular items at a 
glance.