Data Collection – Basic 1 Mathematics Lesson Note (Second Term)

Data collection

What is Data? Data is information we collect about things or people.

Ways to Collect Data:

• Counting
• Asking questions
• Measuring
• Observing

Exercise 11: Let’s collect data about our class:

1. How many boys are in our class? ___
2. How many girls are in our class? ___
3. How many pupils have black hair? ___
4. How many pupils wear glasses? ___

Exercise 12: Collect data about favorite fruits: Ask 5 friends: “What is your favorite fruit?”

• Apple: ___
• Orange: ___
• Banana: ___
• Mango: ___

5. PICTOGRAPHS

What is a Pictograph? A pictograph uses pictures to show information.

Reading a Pictograph: Favorite Pets 

Dogs: 🐕🐕🐕🐕🐕 

Cats: 🐱🐱🐱 

Birds: 🐦🐦🐦🐦

Exercise 13: Answer from the pictograph above:

1. How many children like dogs? ___
2. How many children like cats? ___
3. How many children like birds? ___
4. Which pet is most popular? ___

Exercise 14: Create your own pictograph: Favorite Colors in Our Class (Ask 10 classmates their favorite color)

Red: (draw circles for each person) Blue: Green: Yellow:

Exercise 15: Make a pictograph about shoes: Count different types of shoes in your class: Sneakers: (draw shoe symbols) Sandals: School shoes:

6. Retrieve and interpret data

Reading Data:

Exercise 16: Look at this data table: Number of Books Read

• Tom: 8 books
• Mary: 12 books
• John: 6 books
• Sarah: 10 books

Answer these questions:

1. Who read the most books? ___
2. Who read the least books? ___
3. How many books did Tom and John read together? ___
4. How many more books did Mary read than John? ___

Exercise 17: Interpret this pictograph: Fruits Sold Today Apples: 🍎🍎🍎🍎🍎🍎 Oranges: 🍊🍊🍊🍊 Bananas: 🍌🍌🍌🍌🍌

1. Which fruit sold the most? ___
2. How many oranges were sold? ___
3. How many fruits were sold in total? ___

7. Collate age group with heights

Measuring and Comparing Heights:

Exercise 18: Collect height data from 5 classmates: (Measure using hand spans or use tall/medium/short)

Name: _____ Height: _____ (tall/medium/short) Name: _____ Height: _____ (tall/medium/short) Name: _____ Height: _____ (tall/medium/short) Name: _____ Height: _____ (tall/medium/short) Name: _____ Height: _____ (tall/medium/short)

Exercise 19: Make a pictograph of heights: Heights in Our Class Tall children: (draw stick figures) Medium height children: Short children:

Exercise 20: Answer about heights:

1. How many children are tall? ___
2. How many children are short? ___
3. Are there more tall or short children? ___

Exercise 21: Compare ages and heights: (Ask 3 friends their age and height)

Friend 1: Age ___ Height _____ (tall/medium/short) Friend 2: Age ___ Height _____ (tall/medium/short) Friend 3: Age ___ Height _____ (tall/medium/short)

Questions:

1. Is the oldest child the tallest? ___
2. Are children of the same age the same height? ___