Primary 3 Mathematics Data Analysis Quiz

P3 Maths Quiz: Data Analysis

Questions: 20
Time: 30 minutes
Total Marks: 40

Instructions:

• Answer all questions
• Write your answers clearly in the spaces provided
• Study the graphs and tables carefully before answering

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Section A: Multiple Choice Questions (10 marks)

Choose the correct answer. Write 1, 2, 3 or 4 in the brackets.

1. Study this bar graph showing favourite fruits of 20 students. (2 marks)

Fruits    | Number of Students
Apples    | ████████ (8)
Oranges   | ██████ (6) 
Bananas   | ████ (4)
Grapes    | ██ (2)

Which fruit is the most popular?

1. Oranges
2. Bananas
3. Apples
4. Grapes

Answer: ( )

2. Using the same bar graph, how many more students like apples than grapes? (2 marks)

1. 4
2. 5
3. 6
4. 8

Answer: ( )

3. Look at this table showing books read by students in one month: (2 marks)

Student    | Number of Books
Ahmad      | 8
Mei Ling   | 5
Kumar      | 12
Sarah      | 3

Who read the fewest books?

1. Ahmad
2. Mei Ling
3. Kumar
4. Sarah

Answer: ( )

4. What is the total number of books read by all four students? (2 marks)

1. 25
2. 28
3. 30
4. 32

Answer: ( )

5. Study this pictograph: (2 marks)

Number of Cars in Parking Lot
Monday    ⚪ ⚪ ⚪ ⚪
Tuesday   ⚪ ⚪ ⚪
Wednesday ⚪ ⚪ ⚪ ⚪ ⚪

Each ⚪ = 10 cars

How many cars were there on Wednesday?

1. 5
2. 30
3. 40
4. 50

Answer: ( )

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Section B: Short Answer Questions (15 marks)

6. Complete this table using the bar graph below: (3 marks) [Bar graph showing pets owned by students]

Pet Type   | Number of Students
Dogs       | ________
Cats       | 8
Hamsters   | 5
Fish       | ________

Bar graph shows: Dogs=12, Fish=3

7. Study this data about rainfall in centimeters: (3 marks)

Week 1: 15 cm
Week 2: 8 cm  
Week 3: 22 cm
Week 4: 11 cm

Which week had the most rainfall? ________ What is the difference between the highest and lowest rainfall? ________ cm

8. Create a simple bar graph for this data: (3 marks)

Favorite Sport | Number of Students
Football       | 6
Basketball     | 4
Swimming       | 8
Tennis         | 2

Draw the bar graph in the space below (use grid if provided)

9. Study this pictograph: (3 marks)

Books Sold at School Fair
Fiction    📚 📚 📚 📚 📚
Science    📚 📚 📚
History    📚 📚 📚 📚

Each 📚 = 5 books

How many fiction books were sold? ________ books How many more fiction books than science books? ________ books

10. Look at the pattern in this data: (3 marks) Day 1: 10 visitors Day 2: 15 visitors Day 3: 20 visitors Day 4: 25 visitors Day 5: ?

How many visitors do you think came on Day 5? ________ visitors

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Section C: Word Problems (15 marks)

11. The school canteen recorded how many plates of different foods were sold in one day: (4 marks)

Fried Rice: 35 plates
Noodles: 28 plates
Chicken Rice: 42 plates
Curry: 19 plates

a) Which food was sold the most? ________________ b) What is the total number of plates sold? ________ plates

Working:

12. Mrs Lim asked her class about their favorite colors. Here are the results: (5 marks)

Red: 6 students    Blue: 8 students
Green: 4 students  Yellow: 2 students

She wants to display this data in a bar graph with a scale of 1 square = 2 students. How many squares will she need for each color?

Red: ______ squares Blue: ______ squares
Green: ______ squares Yellow: ______ square

Working:

13. A library recorded the number of books borrowed each day: (3 marks)

Monday: 45 books     Thursday: 38 books
Tuesday: 52 books    Friday: 41 books  
Wednesday: 29 books

What is the average number of books borrowed per day?

Working:

Answer: ________ books per day

14. Look at this data about temperature over 5 days: (3 marks)

Day 1: 28°C    Day 4: 32°C
Day 2: 30°C    Day 5: 29°C
Day 3: 31°C

Arrange the temperatures from lowest to highest.

Answer: ____°C, ____°C, ____°C, ____°C, ____°C

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END OF QUIZ

Total: 40 marks

P3 Maths Quiz: Data Analysis - Answer Key

Section A: Multiple Choice Questions

Q1. Answer: (3) Apples Explanation: From the bar graph, apples have the highest bar (8 students), making them the most popular fruit.

Q2. Answer: (3) 6 Explanation: Students who like apples: 8, Students who like grapes: 2 Difference: 8 - 2 = 6 more students

Q3. Answer: (4) Sarah Explanation: Comparing the numbers - Ahmad (8), Mei Ling (5), Kumar (12), Sarah (3) Sarah read the fewest with only 3 books.

Q4. Answer: (2) 28 Explanation: Total = 8 + 5 + 12 + 3 = 28 books

Q5. Answer: (4) 50 Explanation: Wednesday has 5 symbols, each symbol = 10 cars So 5 × 10 = 50 cars

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Section B: Short Answer Questions

Q6. Answer: Dogs = 12, Fish = 3 Explanation: Read the values directly from the bar graph provided.

Q7. Answer: Week 3, 14 cm Working: Week 3 had the most rainfall (22 cm) Difference = highest - lowest = 22 - 8 = 14 cm

Q8. Answer: Bar graph showing:

• Football: 6 units tall
• Basketball: 4 units tall
• Swimming: 8 units tall
• Tennis: 2 units tall

Q9. Answer: 25 books, 10 books Working: Fiction books: 5 symbols × 5 books = 25 books Science books: 3 symbols × 5 books = 15 books Difference: 25 - 15 = 10 more fiction books

Q10. Answer: 30 visitors Working: Pattern: increases by 5 each day Day 1: 10, Day 2: 15 (+5), Day 3: 20 (+5), Day 4: 25 (+5) Day 5: 25 + 5 = 30 visitors

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Section C: Word Problems

Q11. Answer: a) Chicken Rice b) 124 plates

Working: a) Comparing all foods: Chicken Rice (42) is highest b) Total = 35 + 28 + 42 + 19 = 124 plates

Q12. Answer: Red: 3 squares Blue: 4 squares Green: 2 squares
Yellow: 1 square

Working: Scale: 1 square = 2 students Red: 6 ÷ 2 = 3 squares Blue: 8 ÷ 2 = 4 squares Green: 4 ÷ 2 = 2 squares Yellow: 2 ÷ 2 = 1 square

Q13. Answer: 41 books per day

Working: Total books = 45 + 52 + 29 + 38 + 41 = 205 books Number of days = 5 Average = 205 ÷ 5 = 41 books per day

Q14. Answer: 28°C, 29°C, 30°C, 31°C, 32°C

Working: Arranging from lowest to highest: Day 1: 28°C (lowest) Day 5: 29°C
Day 2: 30°C Day 3: 31°C Day 4: 32°C (highest)

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Teaching Notes

Key Skills Tested:

• Reading and interpreting bar graphs
• Understanding pictographs and scales
• Reading data from tables
• Finding patterns in data
• Calculating totals, differences, and averages
• Creating simple bar graphs

Graph Reading Skills:

• Bar graphs: Height of bar = value
• Pictographs: Count symbols and multiply by scale
• Tables: Find intersection of row and column
• Scales: Each symbol/square represents a specific number

Common Student Errors:

1. Scale confusion: Forgetting to multiply by the scale value
2. Comparison errors: Not correctly identifying highest/lowest values
3. Calculation mistakes: Adding incorrectly when finding totals
4. Pattern recognition: Not seeing the consistent increase/decrease
5. Graph creation: Not using consistent spacing or labels

Key Vocabulary:

• Bar graph: Uses bars to show data
• Pictograph: Uses pictures/symbols to show data
• Scale: How much each symbol represents
• Data: Information collected
• Total: Add all values together
• Average: Total divided by number of items
• Difference: Subtract smaller from larger value

Extension Activities:

• Collect class data (favorite subjects, pets, etc.)
• Create graphs from real data
• Compare data from different sources
• Look for patterns in weather, sports scores
• Practice reading graphs in newspapers/magazines

Assessment Tips:

• Always check if there's a scale to multiply by
• Read all labels carefully
• Double-check arithmetic calculations
• Look for key words: "most," "least," "total," "difference"