Information Processing: Listing All Possible Ways | 3rd Maths Term 1 Unit 6

3rd Maths : Term 1 Unit 6 : Information Processing

Listing down all possible ways

Example 1: Trousers and Shirts

Kavin has taken 2 trousers and 3 shirts with him to wear in a picnic. list down all the possible choices that he can wear them.

Here are the choices.

There are two possible ways of dressing using one shirt and two trousers as shown in picture 1. Similarly we shall pair remaining two shirts with the trouser in four ways as shown in picture 2 and picture 3.

Hence there are six possible ways of pairing two trouser with three shirts.

Example 2: Fruits and Vegetables

Kaviya likes to eat one vegetable and one fruit in a day. Apples and oranges are her choices among fruits and carrots and cucumbers are her choices among vegetables. Complete the given table by filling the ways she combine one fruit with one vegetable.

Example 3: Three-Digit Numbers

List down all possible ways of forming three digit numbers by using the digits 4, 5 and 7 once.

Possible ways

Practice

1. List down all possible ways of forming three digit numbers by using the given digits only once.

a. 9, 6, 8

b. 3, 2, 0

c. 1, 5, 4

Possible ways

a. 986 968 698 689 896 869

b. 320 302 230 203 032 023

c. 154 145 415 451 541 514

2. Find all possible ways of combining the three letters a, e, t using each of them once.

Possible ways

Activity 1

Let us colour the blocks.

Find all possible ways of colouring the given blocks with blue and red. One is done for you.

Activity 2

Fill the white space in the given blocks with alternate colours and answer the following questions based on it.

1. Total number of blocks: 2

2. Number of rose block: 4

3. Number of blocks: 6

4. Number of blocks in 2 and 4 row: 1 & 2

5. How many more than : 2

Example 4: Words Starting with 'R'

List all possible 3 lettered words 4 lettered words and 5 lettered words that start with alphabet ‘R’.

Look at the above words and answer the questions.

1. Number of 4 lettered words are ___.

2. Number of words with 5 letters are ___.

3. There are ____ 3 lettered words.

4. There are ____ 5 lettered words.

List Down All Possible Words

List down all possible meaningful 3 lettered and 4 lettered words starting with the alphabet ‘A’.

Activity 3

List the names of the animals with 4 letters.

Deer, goat, lamb and lion

2nd Standard Maths Term 1 | Unit 6: Information Processing & Systematic Listing

2nd Maths: Term 1 Unit 6

Information Processing

Systematic listing

Travel Through

Arun wants to reach the school from his house. One way is shown for you. List down all the other possible ways.

Key words: Systematic list, Pair, Way

Teacher’s Note: Teacher may explain one way shown in the picture and let the children discuss about other possible ways.

Learn

Possible ways of pairing

Let us learn the number of ways of dressing oneself with two shirts and two shorts.

There are four ways to wear the dress.

Teacher’s Note: Teacher can use things like pen and cap, bottle and lid,etc., available in the classroom to show different ways of pairing.

Practice

Find all possible ways of arranging a pair of cups among the four cups.

One way is shown. Find all the other possible ways.

12 ways

Try This

* Sathya has a pencil, a blue pen and a black Pen.

* She likes to gift two out of these three things to her friend.

* Find all the possible ways to place them in the gift box.

Show Possible Ways

There are 3 possible ways to choose two items:

(i) Pencil and Blue Pen

(ii) Pencil and Black Pen

(iii) Blue Pen and Black Pen

2nd Standard Maths Term 1 | Unit 6: Systematic Listing

2nd Maths: Term 1 Unit 6

Information Processing

Systematic listing

Travel Through

Arun wants to reach the school from his house. One way is shown for you. List down all the other possible ways.

Key words: Systematic list, Pair, Way

Teacher’s Note: Teacher may explain one way shown in the picture and let the children discuss about other possible ways.

Learn

Possible ways of pairing

Let us learn the number of ways of dressing oneself with two shirts and two shorts.

There are four ways to wear the dress.

Teacher’s Note: Teacher can use things like pen and cap, bottle and lid,etc., available in the classroom to show different ways of pairing.

Practice

Find all possible ways of arranging a pair of cups among the four cups.

One way is shown. Find all the other possible ways.

12 ways

Try This

* Sathya has a pencil, a blue pen and a black Pen.

* She likes to gift two out of these three things to her friend.

* Find all the possible ways to place them in the gift box.

Show Possible Ways

There are 3 possible ways to choose two items:

(i) Pencil and Blue Pen

(ii) Pencil and Black Pen

(iii) Blue Pen and Black Pen

2nd Standard Maths Term 1 | Unit 6: Systematic Listing

2nd Maths: Term 1 Unit 6

Information Processing

Systematic listing

Travel Through

Arun wants to reach the school from his house. One way is shown for you. List down all the other possible ways.

Key words: Systematic list, Pair, Way

Teacher’s Note: Teacher may explain one way shown in the picture and let the children discuss about other possible ways.

Learn

Possible ways of pairing

Let us learn the number of ways of dressing oneself with two shirts and two shorts.

There are four ways to wear the dress.

Teacher’s Note: Teacher can use things like pen and cap, bottle and lid,etc., available in the classroom to show different ways of pairing.

Practice

Find all possible ways of arranging a pair of cups among the four cups.

One way is shown. Find all the other possible ways.

12 ways

Try This

* Sathya has a pencil, a blue pen and a black Pen.

* She likes to gift two out of these three things to her friend.

* Find all the possible ways to place them in the gift box.

Show Possible Ways

There are 3 possible ways to choose two items:

(i) Pencil and Blue Pen

(ii) Pencil and Black Pen

(iii) Blue Pen and Black Pen