Understanding Chronological Order | 3rd Grade Maths Term 3 Unit 6: Time

3rd Maths : Term 3 Unit 6 : Time

Time: Chronological Order

Chronological Order

Have you noticed your mother preparing idly. How does she prepare it.

(i) First, she soaks rice and black gram in water.

(ii) Second she grinds then to prepare a batter.

(iii) Third she ferments the batter overnight

(iv) Fourth she boils the batter to make idlies.

These events occur in an order in the process of making idly.

The method of arranging events in the order of their happening is called chronological order.

Example of arranging things in chronological order.

Historical event

Education qualification

Family tree

1. Write ‘F’ for the event which comes first and ‘N’ for the event which happens next.

(i) Eating (N) cooking (F)

(ii) Boarding into a bus or train (F) reaching the destination (N)

(iii) Drawing a picture (F) colouring (N)

(iv) Taking out a book from the bag (F) reading (N)

(v) Opening the door (F) Entering the room (N)

This is Kayalvizhi’s family

Chronological order of her family members is Grandfather, Grandmother, Father, Mother, Kayalvizhi, and her younger brother.

2. Arrange the following events in chronological order.

i. Started walking, birth, started schooling in class 1, studying in Class 3, studying in Class 2.

Birth

Started walking

Schooling in class 1

Studying in class 2

Studying in class 3

ii. Sowing seeds, plucking fruits, growing fruit, flowering in plant, watering plants.

Sowing seeds

Watering plants

Flowering in plant

Growing fruit

Plucking fruits

3. Write the names of the your family members in the chronological order.

Ask the birth years of your family members and arrange them chronologically.

(Grandfather Name)

(Grandmother Name)

(Father Name)

(Mother Name)

(your older brother/Sister)

(Your Name)

(your younger brother/Sister)

Understanding Time: A Guide to the Times of a Day | 3rd Maths Term 3 Unit 6

Chapter: 3rd Maths : Term 3 Unit 6 : Time

Times of a Day

UNIT − 6: TIME

Times of a Day

Look at the sky. Is it same all the time?

Sometimes the sun shines and sometimes the moon and the stars twinkle.

When the sun shines we call it day and when the moon and the stars twinkle we call it night.

12 hours of day time (sunlight) and 12 hours of night time (Darkness) comprises one day (24 hours).

1. Sort the events according to the time of happening

1. Sun rise

2. Sun set

3. Coming to school

4. Returning home from school

5. Breakfast

6. Dinner

7. Darkness outside

8. Say Good Morning

9. Say Good Evening

3rd Maths: Addition and Subtraction of Money | Term 3 Unit 5

3rd Maths: Term 3 Unit 5: Money

Exercise: Addition and Subtraction of Money

Question 1

Sengothai bought a school bag for ₹ 210.30 and a sports shoe for 260.20. Find the amount to be returned by the shopkeeper if she has paid five hundred rupees to the shopkeeper.

Adding Rupees

Cost of the bag = ₹ 210.30

Cost of sports shoe = ₹ 260.20

Total cost = ₹ 470.50

Subtracting Rupees

Sengothai paid = ₹ 500.00

Total cost = ₹ 470.00

Shopkeeper has to return = ₹ 30.00

Amount returned by shopkeeper to Sengothai = ₹ 30

Question 2

Kumaran’s father asked him to get a change for ₹ 200 from his uncle. If his uncle gave him a hundred rupee note and a fifty rupees note, how much more his uncle has to give him?

Adding Rupees

Uncle gave = ₹ 100

= ₹ 50

Total = ₹ 150

Subtracting Rupees

Father gave = ₹ 200.00

Uncle gave = ₹ 150.00

Uncle has to give him = ₹ 50.00

His uncle has to give him = ₹ 50

Information Processing: Data Representation and Inferences | 2nd Maths Term 3 Chapter 6

Information Processing

2nd Maths: Term 3 Unit 6 - Representation of data and drawing inferences

Representation of data and drawing inferences

Travel Through

Keywords: Categorise, Information, Data, Record

Observe the living creatures seen in the pond. categorise and record them.

1. Tick / underline the bird found in more number. - crane / duck

2. Tick the creature found in less number. - turtle / dove

3. Tick the bird found in less number. - dove / duck

4. duck is seen in large number in the pond.

5. Among all the living creatures, the least found in the pond is turtle .

Learn

Tally marks

Tally marks are lines which represent the number as follows

Arivu, the farmer records the number of animals that are seen inside the fence using tally marks.

Teacher’s Note: Teacher can encourage the students to first draw the tally marks and then count the number of tally marks drawn.

Practice

What is my height?

Form groups as per the strength of the class. Collect the information from your friends and complete the table.

From the above table, fill in the data using tally marks.

Try This

Divide the class into groups as per the strength of the class. Record their blood group in the table given below using tally marks.

From the table, answer the following questions.

1. Which blood group is the most common among the groups?

2. Which is the least found blood group among the groups?

3. O− is the universal donor. The maximum number of chance that the O− can donate to is ------------

Teacher’s Note: Teacher can tell children that any blood cannot be used by other. Also tell them that +ve is different from -ve. To donate the blood, same group of blood should be used. O− can be donated to any other group. AB+ can accept any other blood group.

Tags: Information Processing | Term 3 Chapter 6 | 2nd Maths, 2nd Maths : Term 3 Unit 6 : Information Processing

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail

2nd Maths Term 3 Unit 2: A Guide to Patterns in Numbers

2nd Maths: Term 3 Unit 2 - Patterns

Patterns in Numbers

Keywords: Rule, Arrange, Order

Recall

Observe and complete the patterns in numbers.

Travel Through

Roll and Scroll game

Two students can do the activity.

Make a number board with numbers from 1 to 37 as shown in the picture.

The first player throws a dice and a number appears on the face of the dice say 2.

The other player places a coin on the number 2 and skips to number position in twos such as 4,6,8,10 and so on till the last number. The first player records each of the number positions.

Now, the second player gets the chance to throw the dice. When the number 2 appears again the player tells all the number positions jumped orally. If he gets a number 3, then the first player moves a coin by skip counting in threes.

The second player record each of the number positions jumped. The above procedure is continued till the players are familiarised with the number patterns starting from 2, 3, 4, 5 and 6.

Learn

Find the rule and complete the patterns.

Activity

Count and write the number of ice sticks and complete the patterns using the rules.

Practice

Find the rule and write them in each of the pattern given below.

Pleasure Time

1) Write the number patterns for the given instructions.

(i) The last number is 21. The first number is 13. Write the rule.

13 (+2) 15 (+2) 17 (+2) 19 (+2) 21

(ii) The pattern begins with 39. The next number is 3 less than the previous number.

39(−3), 36(−3), 33(−3), 30(−3) 27

(iii) The middle number in the pattern is 45. The number previous to it is 40.

35 (+5), 40 (+5), 45 (+5), 50 (+5), 55

2) Draw sticks to continue the pattern.

Try This

Draw the missing black keys in a pattern.

Ordinal and Cardinal Numbers | 2nd Maths Term 3 Chapter 1: Numbers

Ordinal and Cardinal Numbers

2nd Maths : Term 3 Unit 1 : Numbers

Ordinal and cardinal numbers

Travel Through

Maya had some grains to feed the birds. She threw the grains on the ground. Some birds and animals came there one by one and had their food. The order they had the food is given below.

1. Crawing crow came first.

2. Pretty parrot came second.

3. Majestic dove came third.

4. Sweet myna came fourth.

5. Cute squirrel came fifth.

6. Naughty monkey came sixth and finished all the grains.

Learn

In a library, the first 10 racks were allotted for magazines and dailies. Books that are arranged in different racks from 11th onwards as shown below.

Answer the following questions from the above picture.

(i) Story books are arranged in the 13^th rack.

(ii) Books on history can be found in the 16^th rack.

(iii) Between which two racks are mathematics books placed? 16^th and 18^th

(iv) The English books are next to the 18^th rack.

(v) General Knowledge books are in the 11^th rack.

(vi) My favourite books are in the 13^th rack.

Learn

What is special about 14th of November?

Wow! Children’s day

When is your birthday?

It comes on 29^th of November.

14th of November, 29th of November are called ordinal numbers. It represents the order of a number.

14, 29 are cardinal numbers. They are counting numbers.

Practice

Answer the following questions based on the above calendar.

(i) 3rd friday of November falls on 15^th.

(ii) 7th of November 2019 falls on Thursday.

(iii) 1st sunday of the month falls on 3rd November

(iv) The day 15.11.2019 falls on 3^rd week of November.

(v) If 4th of November falls on saturday then 18^th of November will be the 3rd saturday of the month.

Pleasure Time

(i) Write the mobile number of your father or mother.

8883375808

Pick out and write the digits in the following positions.

7th digit is 5

6th digit is 7

2nd digit is 8

The last number appears in 10th place.

(ii) Find out who am I?

Here are the clues to find it out.

* I am 5 lettered word.

* You can sit on me.

* If you remove my first letter. I will be on your head.

* If you remove my second letter you can breathe me (in and out); I am everywhere.

Ans : CHAIR

(iii) Here are the clues to find out.

* I am 8 lettered animal.

* My first and third letter are same.

* My last 3 letters refer to a small insect that you could find anywhere where there is sweet but I won’t fl y.

* My second letter is the first letter of the word that represent the national flower.

* I am the biggest animal on land.

Ans : ELEPHANT

(iv) Find the name of the flower.

* The Fifth letter is ‘F’.

* The Second letter is ‘H’.

* The Fourth and nineth letter is ‘E’.

* ‘O’ will come in third and seventh position.

* The Tenth letter is ‘R’.

* The Eigth letter is 23rd letter in the sequence of alphabets.

* The First letter is 19th letter in alphabet’s list.

* The Sixth letter is twelfth letter of alphabets.

Ans : SHOEFLOWER