Page 243 - Math Genius C4

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\\September 30, 2025 12:04 PM Bharat Arora P-9 Reader _________________________ Date: ___________________74

Mind Map
math Creative Thinking
dAtA HANdLINg

data Bar graph

The information collected in the form of example: The bar graph shows the favourite ice-cream flavours of
numerical figures is called data. various students.
Y Favourite Ice-Cream Flavours of Students
14
Organising data using tally marks 12

Favourite tally marks Number of 10 8
animal children Number of students 6
Lion ||| 8 4
Bear 5 2
Tiger 10 0 X
Elephant | 6 Vanilla Chocolate Kesar Bu er- Anjeer
scotch
pista
Monkey || 7 Ice-cream flavours
Zebra |||| 4

Pictograph
example: The pictograph shows the number of different kinds of fruit-trees in an orchard.
Fruits Number of trees

Mango

Apple

Guava

Orange

Pear

Key: = 15 trees.

Project Experiential Learning
Do a survey in an electronics shop near your home about the different
electronic items bought by people in a particular month.

Draw a tally chart and a bar graph to represent your collected data by taking a suitable
scale.

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