Data Collection Basic 1 Mathematics Lesson Note
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DATA COLLECTION
What is Data? Data is information we collect about people or things.
Exercise 14: Let’s collect class data:
- How many pupils wear glasses? ___
- How many pupils have black shoes? ___
- How many pupils brought lunch? ___
- How many pupils walked to school? ___
Exercise 15: Collect favorite color data: Ask 10 classmates their favorite color:
- Red: ___
- Blue: ___
- Green: ___
- Yellow: ___
- Others: ___
Exercise 16: Collect pet data: Ask 5 friends: “Do you have a pet?”
- Has pet: ___
- No pet: ___
5. PICTOGRAPHS

Making Pictographs: A pictograph uses pictures to show data.
Exercise 17: Read this pictograph:
Favorite Fruits
Apples: 🍎🍎🍎🍎🍎🍎
Oranges: 🍊🍊🍊🍊
Bananas: 🍌🍌🍌🍌🍌
Questions:
- How many children like apples? ___
- How many children like oranges? ___
- Which fruit is most popular? ___
- How many children were asked? ___
Exercise 18: Create your own pictograph: Transportation to School (Ask 8 classmates how they come to school)
Walking: (draw footprints) Car: (draw car symbols) Bus: (draw bus symbols)
Exercise 19: Make a pictograph about favorite subjects: Favorite School Subjects Math: (draw symbols) English: Art: Science:
6. RETRIEVE AND INTERPRET DATA
Reading Data Tables:
Exercise 20: Study this data: Books Read This Month
- Kemi: 8 books
- Tolu: 12 books
- Ade: 6 books
- Bisi: 10 books
Answer:
- Who read the most books? ___
- Who read the least books? ___
- How many books did Kemi and Ade read together? ___
- How many more books did Tolu read than Ade? ___
Exercise 21: Interpret this pictograph: Pets in Our Class Dogs: 🐕🐕🐕🐕🐕 Cats: 🐱🐱🐱 Birds: 🐦🐦🐦🐦 Fish: 🐠🐠
- Which pet is most common? ___
- How many cats do pupils have? ___
- How many pets in total? ___
- How many more dogs than cats? ___
7. COLLATE AGE GROUP WITH HEIGHTS
Collecting Age and Height Data:
Exercise 22: Survey your classmates: (Measure using tall/medium/short or hand spans)
Name: _____ Age: _____ Height: _____ (tall/medium/short)
Name: _____ Age: _____ Height: _____ (tall/medium/short)
Name: _____ Age: _____ Height: _____ (tall/medium/short)
Name: _____ Age: _____ Height: _____ (tall/medium/short)
Name: _____ Age: _____ Height: _____ (tall/medium/short)
Exercise 23: Make a pictograph of heights by age: Heights of 6-Year-Olds Tall: (draw stick figures) Medium: Short:
Heights of 7-Year-Olds Tall: Medium: Short:
Exercise 24: Compare age and height data:
- Are all 6-year-olds the same height? ___
- Are all 7-year-olds taller than 6-year-olds? ___
- Which age group has more tall children? ___