Class 08 Direct and inverse proportions -1 : Direct Variation and Inverse Variation

 

Direct and inverse proportions

Activity-1 : Direct Variation and Inverse Variation

DATE:

AIM / Objective:

To find proportion

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of proportions

PROCEDURE:

 

Draw rectangle with length and breadth 9 cm and 5 cm

respectively. Now draw second rectangle with same area

but the length of rectangle should be 15 cm. Now observe

and write your observation

 

LEARNING ASSESSMENT:

 

. Now next time take new

length 45 cm and find what should be breadth if area of

rectangle remain same.

 

 

SOLUTION:

Class 08 Exponents and Powers -2 Exponential form

 

Exponents and Powers

 

Activity-2 : Exponential form

DATE:

 

AIM / Objective:

To  find out scientific notation

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of exponents and powers

 

PROCEDURE:

Research and find out the thickness of a hair and radius of

an atom.

 

LEARNING ASSESSMENT:

 

Then convert this into exponential form.

 

SOLUTION:

Class 08 Exponents and Powers -1 Exponents and Powers

 

Exponents and Powers

 

Activity-1 : Exponents and Powers

DATE:

 

AIM / Objective:

To  find out scientific notation

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of exponents and powers

 

PROCEDURE:

Find out the distance of all planets from sun. Then find

out their scientific notation and exponential forms.

LEARNING ASSESSMENT:

 

Students can find out distance from various resources like

internet or from Social Science books.

 

SOLUTION:

 

Class 08 Mensuration -2 : Area of a circle

 

Mensuration

Activity-2 : Area of a circle

DATE:

AIM / Objective:

To find the area of a circle

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of area

 

PROCEDURE:

Take a rope, tie it at one corner of a door knob and then

 

LEARNING ASSESSMENT:

 

find out how much area can be covered if you can move

around. Also mention the name of 2D figure obtained. Tie

a stone on one end of the rope and then rotate it.

 

SOLUTION: