Wednesday, July 19, 2023

Class 08 Data handling Probability

 

Data handling





 

 Activity-1 : Probability

DATE:

 

AIM / Objective:

To find the probability

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

 

Concept of Chance and probability

 

PROCEDURE:

 

Take a deck of 52 cards. Observe the cards and their colour.

 

LEARNING ASSESSMENT:

 

Then answer following questions

a) Probability of getting an even number card.

b) Probability of getting a black ace.

 

SOLUTION:

Class 08 Practical geometry Construct the given sketch using ruler and compasses

 

PRACTICAL GEOMETRY



 

Activity-2 :

Subtopic: Construct the given sketch using ruler and compasses.

DATE:

 

AIM / Objective:

To construct the given sketch

 

MATERIALS REQUIRED:

Pencil, scale, eraser, matchsticks, glue

 

PREREQUISITE KNOWLEDGE:

Concept of geometry

 

PROCEDURE:

Description: Construct the following sketch as per the given dimensions

1. A square of side 4 cm.

2. An equilateral triangle of side 4 cm.

3. A parallelogram of base 6 cm.

4. A rectangle of 6 cm x 4 cm.

 

LEARNING ASSESSMENT:

 

Construct the given sketch using ruler and compasses

 

SOLUTION:




Class 08 Practical geometry Figures on the same base

 

PRACTICAL GEOMETRY





Activity-1 :

Subtopic: Figures on the same base.

DATE:

 

AIM / Objective:

To construct a square & rhombus

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of geometry

 

PROCEDURE:

Description:

(i) Construct a square and a rhombus on the same base of 6 cm.

(ii) Construct a parallelogram and rectangle on the same base of 9 cm and between the same parallels.

LEARNING ASSESSMENT:

(i) How many such rhombuses can be constructed?

 

(ii) How many parallelograms can be drawn on the same base and between the same parallels?

SOLUTION:

 

Class 08 Understanding Quadrilaterals Area of parellelogram = B x H

 

Understanding Quadrilaterals



 

Activity-3 :

Subtopic: Area of parellelogram = B x H

DATE:

 

AIM / Objective:

To derive the formula to find the area of parallelogram

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of parallelogram

 

PROCEDURE:

• Draw a parellelogram ABCD and cut it

• Fold ABCD such that DE AB

• Cut ΔAED and paste along DEBC to get DEXC

Ar (ABCD) = Ar (DEXC)

= EX CX

= AB x DE

= Base x Height

 

LEARNING ASSESSMENT:

 

Derive the formula to find the area of the parallelogram

 

 

SOLUTION:










Class 08 Understanding Quadrilaterals Angle sum property of a concave quadrilateral

 

Understanding Quadrilaterals

 



Activity-2 :

Subtopic: Angle sum property of a concave quadrilateral.

 

DATE:

 

AIM / Objective:

To Prove that angle sum property of a quadrilateral

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of quadrilaterals

 

PROCEDURE:

 

Description:

On a coloured sheet of paper draw a convex quadrilateral ABCD.

Cut out the four angles and paste these cutouts so that there is no gap between them and write the observation.

 

LEARNING ASSESSMENT:

Prove that angle sum property of a quadrilateral is ______

 

SOLUTION:

Class 08 Understanding Quadrilaterals To locate various convex and concave polygons by paper folding

 

Understanding Quadrilaterals




 

Activity-1 :

Subtopic: To locate various convex and concave polygons by paper folding.

DATE:

 

AIM / Objective:

To locate various convex and concave polygons

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of polygons

 

PROCEDURE:

 

Description:

 

Take a rectangular sheet of paper. Fold it in any way and then unfold it. Draw a line on the crease using a ruler and pencil. Repeat this process 7 more times.

Mark the points of intersection as A, B, C, D and so on.

 

LEARNING ASSESSMENT:

 

Identify polygons and identify whether they are convex or concave.

 

SOLUTION:

Class 08 Linear Equations in one variable Take a dice and throw it

 

Linear Equations in one variable



 

Activity-2 : Take a dice and throw it

DATE:

 

AIM / Objective:

To solve the simple equations.

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of Simple equations

 

PROCEDURE:

 

Description:

Get the boost and calculate your score.

 

LEARNING ASSESSMENT:

Play with your friend

 

SOLUTION:








Class 08 Linear Equations in one variable Framing Linear Equations

 

 Linear Equations in one variable







 

Activity-1 : Framing Linear Equations

DATE:

 

AIM / Objective:

To frame the linear equation

 

MATERIALS REQUIRED:

Pencil, scale, eraser, colour pencils / crayons

 

PREREQUISITE KNOWLEDGE:

Concept of Simple equations

 

PROCEDURE:

Description:

Find out the age of your grandfather and father.

 

 

LEARNING ASSESSMENT:

 

Form a linear equation between these two -

a) Age of your grandfather and your age.

b) Your age and your father's age.

 

Solution

Class 08 Rational numbers Addition and subtraction of rational numbers.

 

RATIONAL NUMBERS



 

Activity-2 :

Subtopic: Addition and subtraction of rational numbers.

DATE:

AIM / Objective:

To find the value of Rational numbers

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of LCM & rational numbers

 

PROCEDURE/ DESCRIPTION:

Description:

Write fractions in mixed form and find out the hidden word.

LEARNING ASSESSMENT:






 

SOLUTION

Class 08 Rational numbers Operations on rational numbers

 

RATIONAL NUMBERS




 

Activity-1 :

Subtopic: Operations on rational numbers.

 

DATE:

 

AIM / Objective:

To find the value of Rational numbers,

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of RATIONAL NUMBERS

 

PROCEDURE:

 

Description:

Description: Twenty caravans are travelling across the desert one day apart. The first carvan reached the oasis and the camels drank half of the water in the pool. On the second day, the second carvan reached the oasis and the camels drank one-third of the water that was left. On the third day, the camels in the third carvan drank one quarter of the water that was left. On the first day the pool contained 1050m3 of water.

 

LEARNING ASSESSMENT:

How much water was left after the 20th carvan passed through.

Hint: Observe the pattern and calculate.

 

SOLUTION:

Pages

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