Chapter 1: What's in a What's in a Name?
3rd StandardMathematics
What's in a What's in a Name? - Chapter Summary
# What’s in a Name?
## Overview
This chapter introduces children to early mathematics through relatable daily scenarios involving names, letters, animals, and objects. It promotes logical thinking, counting, comparison, and classification. It includes story-based learning, puzzles, and group activities.
## Key Topics Covered
### 1. Counting Using Marks
- **Story Setup**: Deba and Deep, two cowherds, track cows by marking on a wall when cows leave and return.
- **Concept Introduced**: Tally marks as a counting strategy.
- **Learning Outcome**: Understanding one-to-one correspondence between objects and markings; concept of counting in and out.
### 2. Comparing Length of Names
- **Activity**: Choose captains based on the longest and shortest names among a list of animals.
- **Skills Practised**:
- Counting number of letters in words
- Comparison (more than, less than)
- **Discussion Points**:
- Students compare their own names.
- Explore names of friends to find the longest and shortest.
- Identify common starting and ending letters.
### 3. Name-based Observations
- **Tasks**:
- Write names of friends.
- Identify and tick the longest names; cross the shortest.
- Count names with same starting letter.
- Count names with same ending letter.
- Note unused starting letters.
- **Skills**: Categorisation, observation, alphabet familiarity.
### 4. Number Names and Letter Count
- **Activity**: Create numbers with number cards and count the number of letters in the number name.
- **Examples**:
- "Fifty-six" has 8 letters.
- "Forty-three" has 10 letters.
- **Tasks**:
- Write own roll number in words and count letters.
- Find numbers between 1–99 that have the longest number names.
### 5. Puzzles on Number Names
- **Riddles Involving Number Names**:
- "My number name has two words. The first has 6 letters and the second 5. I am near 100." → Likely Answer: Ninety-one
- Among numbers 63–78, identify one with the smallest number name.
- **Objective**: Strengthen reasoning and vocabulary associated with number names.
### 6. Grouping Objects
- **Cards Grouped in Different Ways**:
- By food consumption (e.g., eats food / does not eat food).
- By electricity usage (e.g., TV, fan, lamp vs. pillow, blanket).
- **Objective**: Understand the concept of classification and grouping by a common feature.
- **Follow-up Task**: Group same objects differently and justify.
### 7. Survey and Data Collection (Hair Styles)
- **Activity**: Observe and count number of children with different hair styles.
- **Skill Focus**: Observation, data collection, and representation.
---
## New Terms and Definitions
| Term | Definition |
|-------------------|----------------------------------------------------------------------------|
| tally marks | Simple lines used to count or keep track of things |
| letter count | Number of letters used in a word or name |
| grouping | Placing items together based on common features |
| number name | Spelling of a number in words (e.g., 43 = forty-three) |
| classification | Sorting items into categories by shared traits |
| observation | Looking carefully to gather information |
| electricity | Power used by appliances like fan, lamp, and TV |
| ending letter | The last letter in a word |
| starting letter | The first letter in a word |
| roll number | A unique number assigned to a student in class |
---
## Practice Questions
### Easy (3)
1. Count the letters in the word **elephant**.
- **Answer**: 8
2. Which is shorter in letters: **rat** or **monkey**?
- **Answer**: rat (3 letters) < monkey (6 letters)
3. Write the number name of 23 and count its letters.
- **Answer**: Twenty-three → 11 letters
### Medium (2)
4. Your roll number is 47. Write its number name and count the letters.
- **Answer**: Forty-seven → 11 letters
5. Write 3 names of your friends. Which has the most letters?
- **Example**: Ananya (6), Ravi (4), Chaitanya (9) → Chaitanya is longest
### Difficult (3)
6. Find a number between 1–99 with the longest name.
- **Answer**: Seventy-seven → 12 letters
7. Group the following into “needs electricity” and “does not need electricity”: TV, blanket, lamp, chair.
- **Needs electricity**: TV, lamp
- **Does not need**: blanket, chair
8. Create a name-based puzzle like: “My name starts with S and ends with A. It has 6 letters. Who am I?”
- **Answer**: Sneha (if S and A are used and 5 letters)
### Very Difficult (2)
9. Make a table of starting letters of 10 names and find the most common starting letter.
- **Example**: A, A, R, S, S, S, M, T, R, S → Most common: S (4 times)
10. Write all numbers from 60 to 70 in number names and find which has the least letters.
- **Answer**:
- Sixty → 5
- Sixty-one → 9
- Sixty-two → 9
- …
- **Least**: Sixty (5 letters)
---
## Overview
This chapter introduces children to early mathematics through relatable daily scenarios involving names, letters, animals, and objects. It promotes logical thinking, counting, comparison, and classification. It includes story-based learning, puzzles, and group activities.
## Key Topics Covered
### 1. Counting Using Marks
- **Story Setup**: Deba and Deep, two cowherds, track cows by marking on a wall when cows leave and return.
- **Concept Introduced**: Tally marks as a counting strategy.
- **Learning Outcome**: Understanding one-to-one correspondence between objects and markings; concept of counting in and out.
### 2. Comparing Length of Names
- **Activity**: Choose captains based on the longest and shortest names among a list of animals.
- **Skills Practised**:
- Counting number of letters in words
- Comparison (more than, less than)
- **Discussion Points**:
- Students compare their own names.
- Explore names of friends to find the longest and shortest.
- Identify common starting and ending letters.
### 3. Name-based Observations
- **Tasks**:
- Write names of friends.
- Identify and tick the longest names; cross the shortest.
- Count names with same starting letter.
- Count names with same ending letter.
- Note unused starting letters.
- **Skills**: Categorisation, observation, alphabet familiarity.
### 4. Number Names and Letter Count
- **Activity**: Create numbers with number cards and count the number of letters in the number name.
- **Examples**:
- "Fifty-six" has 8 letters.
- "Forty-three" has 10 letters.
- **Tasks**:
- Write own roll number in words and count letters.
- Find numbers between 1–99 that have the longest number names.
### 5. Puzzles on Number Names
- **Riddles Involving Number Names**:
- "My number name has two words. The first has 6 letters and the second 5. I am near 100." → Likely Answer: Ninety-one
- Among numbers 63–78, identify one with the smallest number name.
- **Objective**: Strengthen reasoning and vocabulary associated with number names.
### 6. Grouping Objects
- **Cards Grouped in Different Ways**:
- By food consumption (e.g., eats food / does not eat food).
- By electricity usage (e.g., TV, fan, lamp vs. pillow, blanket).
- **Objective**: Understand the concept of classification and grouping by a common feature.
- **Follow-up Task**: Group same objects differently and justify.
### 7. Survey and Data Collection (Hair Styles)
- **Activity**: Observe and count number of children with different hair styles.
- **Skill Focus**: Observation, data collection, and representation.
---
## New Terms and Definitions
| Term | Definition |
|-------------------|----------------------------------------------------------------------------|
| tally marks | Simple lines used to count or keep track of things |
| letter count | Number of letters used in a word or name |
| grouping | Placing items together based on common features |
| number name | Spelling of a number in words (e.g., 43 = forty-three) |
| classification | Sorting items into categories by shared traits |
| observation | Looking carefully to gather information |
| electricity | Power used by appliances like fan, lamp, and TV |
| ending letter | The last letter in a word |
| starting letter | The first letter in a word |
| roll number | A unique number assigned to a student in class |
---
## Practice Questions
### Easy (3)
1. Count the letters in the word **elephant**.
- **Answer**: 8
2. Which is shorter in letters: **rat** or **monkey**?
- **Answer**: rat (3 letters) < monkey (6 letters)
3. Write the number name of 23 and count its letters.
- **Answer**: Twenty-three → 11 letters
### Medium (2)
4. Your roll number is 47. Write its number name and count the letters.
- **Answer**: Forty-seven → 11 letters
5. Write 3 names of your friends. Which has the most letters?
- **Example**: Ananya (6), Ravi (4), Chaitanya (9) → Chaitanya is longest
### Difficult (3)
6. Find a number between 1–99 with the longest name.
- **Answer**: Seventy-seven → 12 letters
7. Group the following into “needs electricity” and “does not need electricity”: TV, blanket, lamp, chair.
- **Needs electricity**: TV, lamp
- **Does not need**: blanket, chair
8. Create a name-based puzzle like: “My name starts with S and ends with A. It has 6 letters. Who am I?”
- **Answer**: Sneha (if S and A are used and 5 letters)
### Very Difficult (2)
9. Make a table of starting letters of 10 names and find the most common starting letter.
- **Example**: A, A, R, S, S, S, M, T, R, S → Most common: S (4 times)
10. Write all numbers from 60 to 70 in number names and find which has the least letters.
- **Answer**:
- Sixty → 5
- Sixty-one → 9
- Sixty-two → 9
- …
- **Least**: Sixty (5 letters)
---
What’s in a Name?
Overview
This chapter introduces children to early mathematics through relatable daily scenarios involving names, letters, animals, and objects. It promotes logical thinking, counting, comparison, and classification. It includes story-based learning, puzzles, and group activities.
Key Topics Covered
1. Counting Using Marks
- Story Setup: Deba and Deep, two cowherds, track cows by marking on a wall when cows leave and return.
- Concept Introduced: Tally marks as a counting strategy.
- Learning Outcome: Understanding one-to-one correspondence between objects and markings; concept of counting in and out.
2. Comparing Length of Names
- Activity: Choose captains based on the longest and shortest names among a list of animals.
- Skills Practised:
- Counting number of letters in words
- Comparison (more than, less than)
- Discussion Points:
- Students compare their own names.
- Explore names of friends to find the longest and shortest.
- Identify common starting and ending letters.
3. Name-based Observations
- Tasks:
- Write names of friends.
- Identify and tick the longest names; cross the shortest.
- Count names with same starting letter.
- Count names with same ending letter.
- Note unused starting letters.
- Skills: Categorisation, observation, alphabet familiarity.
4. Number Names and Letter Count
- Activity: Create numbers with number cards and count the number of letters in the number name.
- Examples:
- "Fifty-six" has 8 letters.
- "Forty-three" has 10 letters.
- Tasks:
- Write own roll number in words and count letters.
- Find numbers between 1–99 that have the longest number names.
5. Puzzles on Number Names
- Riddles Involving Number Names:
- "My number name has two words. The first has 6 letters and the second 5. I am near 100." → Likely Answer: Ninety-one
- Among numbers 63–78, identify one with the smallest number name.
- Objective: Strengthen reasoning and vocabulary associated with number names.
6. Grouping Objects
- Cards Grouped in Different Ways:
- By food consumption (e.g., eats food / does not eat food).
- By electricity usage (e.g., TV, fan, lamp vs. pillow, blanket).
- Objective: Understand the concept of classification and grouping by a common feature.
- Follow-up Task: Group same objects differently and justify.
7. Survey and Data Collection (Hair Styles)
- Activity: Observe and count number of children with different hair styles.
- Skill Focus: Observation, data collection, and representation.
New Terms and Definitions
| Term | Definition |
|---|---|
| tally marks | Simple lines used to count or keep track of things |
| letter count | Number of letters used in a word or name |
| grouping | Placing items together based on common features |
| number name | Spelling of a number in words (e.g., 43 = forty-three) |
| classification | Sorting items into categories by shared traits |
| observation | Looking carefully to gather information |
| electricity | Power used by appliances like fan, lamp, and TV |
| ending letter | The last letter in a word |
| starting letter | The first letter in a word |
| roll number | A unique number assigned to a student in class |
Practice Questions
Easy (3)
-
Count the letters in the word elephant.
- Answer: 8
-
Which is shorter in letters: rat or monkey?
- Answer: rat (3 letters) < monkey (6 letters)
-
Write the number name of 23 and count its letters.
- Answer: Twenty-three → 11 letters
Medium (2)
-
Your roll number is 47. Write its number name and count the letters.
- Answer: Forty-seven → 11 letters
-
Write 3 names of your friends. Which has the most letters?
- Example: Ananya (6), Ravi (4), Chaitanya (9) → Chaitanya is longest
Difficult (3)
-
Find a number between 1–99 with the longest name.
- Answer: Seventy-seven → 12 letters
-
Group the following into “needs electricity” and “does not need electricity”: TV, blanket, lamp, chair.
- Needs electricity: TV, lamp
- Does not need: blanket, chair
-
Create a name-based puzzle like: “My name starts with S and ends with A. It has 6 letters. Who am I?”
- Answer: Sneha (if S and A are used and 5 letters)
Very Difficult (2)
-
Make a table of starting letters of 10 names and find the most common starting letter.
- Example: A, A, R, S, S, S, M, T, R, S → Most common: S (4 times)
-
Write all numbers from 60 to 70 in number names and find which has the least letters.
- Answer:
- Sixty → 5
- Sixty-one → 9
- Sixty-two → 9
- …
- Least: Sixty (5 letters)