Collecting and Representing Data | Information Processing | Class 3 Maths Term 1 Unit 6

3rd Maths : Term 1 Unit 6 : Information Processing

Collecting and Representing data

Symbols and pictures can be used to represent data. This is known as Pictorial Representation. This helps us to study and understand data easily.

Example

Look at the below picture and fill the required data.

1. How many are there?

2. How many are there?

3. Circle the animal which is more in count.?

4. Circle the animal which is less in count?

5. What is the difference between highest and lowest count?

6. Total number of animals in the zoo train is .

Example

The following picture represents the data on fruits sold in a shop.

Look at the above picture and fill the required data.

1. Name the fruit which was sold more?

2. Name the fruit which is sold less. Orange

3. Find the number of apples sold.

4. Write the number of bananas sold?

5. what is the difference in the number of pineapples sold and oranges sold ?

Practice

1. Collect the data from 40 of your friends about their favourite food and represent it in Picture.

2. The following picture represents the number of chocolates sold at a shop in a week.

Answer the following questions from the data given in the above table.

1. The total number of chocolates sold on Thursday is 40

2. The sale was maximum on Monday

3. The sale was minimum on Saturday

4. Sales were equal on and Tuesday and Friday

5. The total number of chocolates sold in six days are 180 Chocolates.

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 5: Learning about Seasons

2nd Maths: Term 1 Unit 5 - Time

Seasons

Travel Through

Keywords: Summer, Winter, Rainy

Teacher’s Note: Teacher can ask questions about the fruits, things etc., given in the above picture and elicit answers regarding the seasons.

Learn

SUMMER MONTHS: March, April, May, June

RAINY MONTHS: July, August, September, October

WINTER MONTHS: November, December, January, February

Game

Procedure

1. Teacher can prepare picture cards depicting seasons. (Example: Walking with an umbrella)

2. Select a student at random and tell him/her to pick a picture card.

3. Now, the student should explain the picture card by mono acting.

4. Other students must find out the action and tell the relevant season acted by the student.

Practice

Tick (✔) the suitable food items we eat in the seasons given.

Pleasure Time

Colour the months according to their seasons. Use ‘green’ for Winter, ‘Yellow’ for Summer and ‘blue’ for Rainy seasons.

Show Answer

Winter Months : November, December, January, February

Summer Months : March, April, May, June

Rainy Months: July, August, September, October

2nd Standard Maths Term 1 | Unit 5: Learning the Months of the Year

2nd Maths: Term 1 Unit 5 - Time

Months of the year

Travel Through

Keywords: January, February, March, April, May, June, July, August, September, October, November, December

* There are 12 months in a year.

* January is the first month of a year and December is the last month of a year. January 1 is the first day in a year.

* There are 7 months with 31 days and 4 months with 30 days.

* February month has either 28 or 29 days.

Teacher’s Note: Teacher can discuss the festivals celebrated in each month to motivate the children to know the months in a year.

Practice

Observe the calendar given in the previous page and write the number of days in each month.

Show Answers

January: 31

February: 28

March: 31

April: 30

May: 31

June: 30

July: 31

August: 31

September: 30

October: 31

November: 30

December: 31

Practice

Write the names of the months in order in the following table.

Show Ordered List of Months

1. January

2. February

3. March

4. April

5. May

6. June

7. July

8. August

9. September

10. October

11. November

12. December

Pleasure Time

Match the following

Show Answers

Festival

Republic Day

Independence Day

Teacher’s Day

Children’s Day

Month

January

August

September

November

Know more

Fix the names of the months in each knuckle as shown in the figure. The months represented by each knuckle has 31 days and the spaces in between have 30 days. But, February has either 28 or 29 days.

2nd Standard Maths Term 1 | Unit 5: Learning the Days of the Week

2nd Maths: Term 1 Unit 5 - Time

Days of the week

Learn

Days of the week

There are 7 days in a week.

1. Sunday

2. Monday

3. Tuesday

4. Wednesday

5. Thursday

6. Friday

7. Saturday

Sunday is the first day of the week.

Practice

Answer the following.

1. What is the fourth day of the week?

2. What is the seventh day of the week?

3. Which day comes after Thursday?

4. Which day comes before Wednesday?

5. How many days are there in a week?

Show Answers

1. Wednesday

2. Saturday

3. Friday

4. Tuesday

5. 7 days

Try this

Answer the following.

1. Which day comes 2 days after Monday?

2. Which day comes 3 days after Wednesday?

3. Which day comes a day before Sunday?

4. Which day comes 2 days before Saturday?

5. Which day comes 3 days before Friday?

Show Answers

1. Wednesday

2. Saturday

3. Saturday

4. Thursday

5. Tuesday

Try this

Time table of class 2

Observe and fill in the table.

View Correct Answers

Period 3 is for:

Monday: Games

Tuesday: Drawing

Wednesday: Games

Thursday: Library

Friday: Music

2nd Standard Maths Term 1 | Unit 5: Introduction to Time & Daily Routines

2nd Maths: Term 1 Unit 5

Time

Recall

Order the activities as 1, 2, 3 and so on upto 9 from morning to night

Show the Correct Order

Answer: 1 3 5 4 2 7 6 8 9

2nd Standard Maths | Unit 4: Standard Units of Measuring Length

2nd Maths: Term 1 Unit 4 - Measurement

Standard units of measuring length

Travel Through

Measuring length in a long jump ground

Keywords: Centimetre, Metre, Scale

Teacher’s Note: Teacher can facilitate the children to discuss about the use of standard units of measurement.

Learn

Measuring by standard unit

Objects of greater length are measured in metre (m) and objects of smaller length are measured in centimetre (cm).

Photo frame is measured in Centimetre.

Saree is measured in metre.

Practice

Tick (✔) the appropriate unit to measure the following objects.

Learn

Measuring length

Let us learn to measure the length of the objects using scale.

Teacher’s Note: Teacher should encourge children to count the centimetre. The object can be kept at different value say 3cm or 5cm instead of 0 to ensure the children count and right the length of the object.

Practice

Observe the picture in previous page and write the length of the objects. One is done for you.

Show Answers

Length of the comb is 12 cm.

Length of the straw is 10 cm.

Length of the pencil Is 14 cm.

Length of the crayon is 7 cm.

2nd Standard Maths | Unit 4: Measuring Length with Non-Standard Tools

2nd Maths: Term 1 Unit 4 - Measurement

Measuring length using uniform non standard tools

Travel Through

Measuring length in a long jump ground

Key words: Length

Teacher’s Note: Teacher can guide the students to know the difference in measurements observed by measuring footspan (non uniform non standard) and a stick (uniform non standard).

Learn

How many times of this eraser’s length will be equal to the length of this pencil?

I guess it will be 5 times.

My guess is 3 times.

Ok, Let us measure and find.

Length of the pencil is four times the length of the eraser.

Oh! My guess is more.

My guess is less.

Teacher’s Note: Encourage the students to guess the measurement and verify it by actually measuring them. Try to make the guess close to actual measure by providing various opportunities.

Practice

Observe the measuring tool, guess and write the length of the real object by guessing. Then, use the measuring tool and write the measured value.

Teacher’s Note: Teacher can make the students to measure various objects in the surrounding by guessing and by actual measurement using non standard tools.

Try This

Colour the squares to match the length of the objects. Count the coloured squares and write the count inside the circle.

Observe the above table and answer the following questions.

Show Questions & Answers

1. Which two objects have the same length?
Answer: Pen and pencil

2. Which is the longest object?
Answer: Stationary box

3. What is the total length of the pencil and crayon?
Answer: Six

4. Is the pencil box longer than the pencil? If yes, by how many squares?
Answer: Yes, two

5. Which is the shortest object?
Answer: Eraser

Think Like A Mathematician

Which among the given tools would be appropriate to measure the brim of the round table?

Show Answer

Answer: rope

2nd Standard Maths Term 1 | Unit 4: Introduction to Measurement

2nd Maths: Term 1 Unit 4

Measurement

Recall

Measuring Length

Use the given measurement and find the length of the real objects depicted in the picture.

The length of the table is ____ hand spans.

The length of the board is ____ hand spans.

The length of the mat is ____ hand spans.

The length of the book is ____ hand spans.

The length of the pencil is ____ hand span.

Show Answers

The length of the table is 6 hand spans.

The length of the board is 8 hand spans.

The length of the mat is 10 hand spans.

The length of the book is 2 hand spans.

The length of the pencil is 1 hand span.

2nd Standard Maths Term 1 | Unit 3: Patterns in Colours

2nd Maths: Term 1 Unit 3 - Patterns

Patterns in colours

Travel Through

In a Jungle

Teacher’s Note: Teacher can encourage the children to observe the colour patterns of animals in the above picture. Motivate them to tell about the observed patterns.

Learn

Observe and identify the patterns of colours in these objects.

Practice

Colour and complete the patterns.

Try This

Collect the things with colour patterns seen in your surroundings. Discuss about the patterns in them.

Know more

Patterns in colours are seen in dress, rangoli, decoration and painting.

Activity

Plait a bunting

Prepare a bunting by pasting colour papers of different colours in a pattern as shown below.

Pleasure Time

Let’s design a dress

Follow your own colour patterns and design the dresses given below.