Class 07 Data handling family survey

 DATA HANDLING

ACTIVITY – 3. Family Survey

DATE:

 

AIM / Objective:

To find mean, median and mode

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of mean, median and mode

 

PROCEDURE:

Collect data of number of family members of 10 neighbourhood families

 

LEARNING ASSESSMENT:

 

 find mean, mode and median.

Sl.no	family	No. of family members
1	Family1	3
2	Family2	5
3
4
5
6
7
8
9
10

 

 

SOLUTION:

Mean =

Class 07 Data handling fruit basket

 

DATA HANDLING

 

ACTIVITY – 2. Fruit Basket

 

DATE:

 

AIM / Objective:

To find the information from the collected data.

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of Data handling

 

PROCEDURE:

Description: Complete the following data.

 

LEARNING ASSESSMENT:

Which of the fruit shows -

1. Maximum difference in price of current week and price of previous week.

2. Minimum difference in price of current week and previous week.

SOLUTION:

S. No.	Name of Fruit	Price in current week	Price in previous week
1	Apples
2	Bananas
3	Papaya
4	Oranges/Mausami
5	Coconut

Class 07 Data handling bar graph

 

DATA HANDLING

 

ACTIVITY – 1. Bar Graph

DATE:

 

AIM / Objective:

To represent the data in graph

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of bar graph

 

PROCEDURE:

 

Description:

List out birth years of your family members at least 7 (if required the birth years of relatives may also be taken).

 

LEARNING ASSESSMENT:

 

Draw bar graph on A4 size pastel sheet.

Sl.no	Relationship	Birth year
1	Father
2	Mother
3	myself
4	Grand father
5	Uncle
6	Aunt
7	Grand mother

 

SOLUTION:

Class 07 Fractions and decimals plan your junk food

 

FRACTIONS AND DECIMALS

ACTIVITY – 3. Plan your junk food

DATE:

 

AIM / Objective:

To convert FRACTIONS into DECIMALS.

 

MATERIALS REQUIRED:

Pencil, scale, eraser, graph sheet

 

PREREQUISITE KNOWLEDGE:

Concept of FRACTIONS AND DECIMALS

 

PROCEDURE:

Description:

Take a small packet of wafers. List out the ingredients with their weights and calories.

 

 

LEARNING ASSESSMENT:

1. Find out total calories consumption.

2. Convert the weight of each ingredient in fraction and then decimal.

3. Why should we avoid junk food? Name any two healthy foods.

 

SOLUTION: