Class 07 Integers Play with balls

 

INTEGERS

ACTIVITY – 3 PLAY WITH BALLS

DATE:

 

AIM / Objective:

To find the value of integers.

 

MATERIALS REQUIRED:

Pencil, scale, eraser

 

PREREQUISITE KNOWLEDGE:

Concept of Integers

 

PROCEDURE:

Description:

Students are supposed to take two different coloured sketch pens, same number of identical balls are to be drawn for one integer as indicated. Perform activity

according to given example.

 

Note:  –ve symbol means opposite/change of colour

Example:

Let, Green for +ve integer

Red for –ve integer

1) 2 x 3 (2 times 3)

2) –2 x (–3) {–2 times (–3)} {6}

 

LEARNING ASSESSMENT:

Show the following in the form of pictures of balls.

i) –3 x 4   ii) 2 x –4

iii) –3 x –4       iv) 4 x 5

SOLUTION: