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Primary 3 Mathematics Data Analysis Quiz

Free P3 Maths Data Analysis quiz, GLM5.3 AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 3 Mathematics AI Generated Generated by GLM 5.3 Flash Updated 2026-08-27

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Questions

Primary 3 Mathematics Quiz - Data Analysis

Name: _______________ Class: _______ Date: _______ Score: _______ / 60

Duration: 60 minutes | Total Marks: 60 | Version: Practice Quiz 1 of 5

Note: This quiz is created from syllabus-based question templates. It is not copied from past-year exam papers.

Instructions:

Answer all 20 questions.
Marks are shown in brackets ( ) at the end of each question.
Show your working for Section B and Section C.
You may use the bar graphs to help you. Do not use a calculator.

Section A (Questions 1-8, 2 marks each, 16 marks)

Read each bar graph or table carefully. Write your answer in the space provided.

Question 1.

The bar graph shows the number of books four pupils read in April.

Chart for Q1 (P3 Maths)

Generated chart for Q1.

How many books did Cailing read? [2]

Answer: _______________

Question 2.

Using the same bar graph "Books Read in April", what is the difference between the number of books read by the pupil who read the most and the pupil who read the fewest? [2]

Answer: _______________

Question 3.

The bar graph shows the drinks sold at a school canteen during recess.

Chart for Q3 (P3 Maths)

Generated chart for Q3.

How many bottles of apple juice were sold? [2]

Answer: _______________

Question 4.

Using the same bar graph "Drinks Sold at the Canteen", which drink was the most popular? [2]

Answer: _______________

Question 5.

The table shows the pets owned by the pupils in Class 3C.

Pet	Number of pupils
Dog	7
Cat	5
Fish	9
Bird	3

How many more pupils own fish than cats? [2]

Answer: _______________

Question 6.

Using the same table, how many pupils are there altogether in Class 3C? [2]

Answer: _______________

Question 7.

The bar graph shows the medals won by four houses on Sports Day.

Chart for Q7 (P3 Maths)

Generated chart for Q7.

Which house won the fewest medals? [2]

Answer: _______________

Question 8.

Using the same bar graph "Medals Won on Sports Day", how many medals did Green House and Blue House win altogether? [2]

Answer: _______________

Section B (Questions 9-16, 3 marks each, 24 marks)

Show your working clearly in the space provided.

Question 9.

The bar graph shows the ice cream cones sold by Uncle Lim from Monday to Friday.

Chart for Q9 (P3 Maths)

Generated chart for Q9.

On which day were the most cones sold? How many cones were sold on that day? [3]

Question 10.

Using the same bar graph "Ice Cream Cones Sold This Week", find the total number of cones sold from Tuesday to Thursday. [3]

Question 11.

Using the same bar graph, how many fewer cones were sold on Monday than on Friday? [3]

Question 12.

The bar graph shows the mass of newspapers collected by four classes during a recycling drive.

Chart for Q12 (P3 Maths)

Generated chart for Q12.

What was the total mass of newspapers collected by the four classes? [3]

Question 13.

Using the same bar graph "Recycling Drive - Newspapers Collected", how many more kilograms of newspapers did Class 3D collect than Class 3C? [3]

Question 14.

The bar graph shows the points scored by four players in an online maths game.

Chart for Q14 (P3 Maths)

Generated chart for Q14.

Arrange the four players in order, starting with the player who scored the most points. Write each player's points next to the name. [3]

Question 15.

Uncle Lim wants to sell 200 cones in the week shown in the graph "Ice Cream Cones Sold This Week". Did he reach his goal? If not, how many more cones did he need to sell? Show your working. [3]

Question 16.

Class 3E joins the recycling drive late and collects 36 kg of newspapers. Using the graph "Recycling Drive - Newspapers Collected", which class has now collected the most? How many more kilograms does this class have than Class 3B? [3]

Section C (Questions 17-20, 5 marks each, 20 marks)

Show all your working and draw carefully.

Question 17.

Class 3B was asked to choose their favourite sport. The results are shown in the table.

Sport	Number of pupils
Swimming	12
Soccer	18
Badminton	9
Table tennis	15

Draw a bar graph to show the results on the grid below.

Diagram for Q17 (P3 Maths)

Generated diagram for Q17.

Remember to: use the scale 1 unit = 3 pupils, draw straight bars, and label your bars. [5]

Question 18.

The bar graph shows the favourite hobbies of the 40 pupils in the P3 level.

Chart for Q18 (P3 Maths)

Generated chart for Q18.

The bar for Reading has not been drawn yet. Find the number of pupils who chose Reading. Show your working. [5]

Question 19.

Mei made a bar graph of her sticker collection.

Chart for Q19 (P3 Maths)

Generated chart for Q19.

Ben looked at the graph and said, "Mei has 4 stickers." Explain what Ben did wrong and find the correct number of stickers Mei has. [5]

Question 20.

A bookshop recorded the number of bookmarks sold over two weeks.

Bookmark design	Week 1	Week 2
Star	24	30
Heart	18	18
Rainbow	30	27

(a) Which design sold more in Week 2 than in Week 1? By how many? [2] (b) Which design sold fewer in Week 2 than in Week 1? By how many? [2] (c) Find the total number of bookmarks sold in the two weeks. [1]

End of Quiz - Check your work before handing in.

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Answers

Primary 3 Mathematics Quiz - Data Analysis: Answer Key

Version: Practice Quiz 1 of 5 | Total Marks: 60

Syllabus-based practice content; not derived from past-year papers.

Answer 1. [2 marks]

Answer: 6 books

Teaching note: A bar graph shows data as bars. Read where the top of the bar meets the scale. Cailing's bar ends at the 3rd gridline. Since 1 unit = 2 books, $3 \times 2 = 6$ .
Common mistake: Writing "3" (counting units) instead of multiplying by the scale.

Answer 2. [2 marks]

Answer: 6 books

Working: Most books - Bala, 12 books. Fewest - Cailing, 6 books. Difference: $12 - 6 = 6$ books.
Teaching note: "Difference" always means subtraction. First find the tallest and shortest bars, then subtract.

Answer 3. [2 marks]

Answer: 25 bottles

Working: The apple juice bar ends at the 5th gridline. $5 \times 5 = 25$ bottles.
Teaching note: Always check the scale note before reading. Here each unit stands for 5 bottles, not 1.

Answer 4. [2 marks]

Answer: Water

Working: The water bar is the tallest, reaching 40 bottles, more than orange juice (30), apple juice (25) and grape juice (15).
Teaching note: On a bar graph, the tallest bar shows the largest value - you do not need to read every number to compare.

Answer 5. [2 marks]

Answer: 4 pupils

Working: Fish owners = 9, cat owners = 5. $9 - 5 = 4$ pupils.
Teaching note: "How many more" asks for a comparison, so subtract the smaller number from the larger.

Answer 6. [2 marks]

Answer: 24 pupils

Working: Add all rows: $7 + 5 + 9 + 3 = 24$ pupils.
Teaching note: "Altogether" means add every group. Check by adding again in a different order: $9 + 7 + 5 + 3 = 24$ .
Common mistake: Missing one row when adding.

Answer 7. [2 marks]

Answer: Yellow House

Working: Yellow House's bar is the shortest, reaching 6 medals (2 units $\times$ 3).
Teaching note: The shortest bar gives the smallest value. Reading the value (6) confirms the comparison.

Answer 8. [2 marks]

Answer: 24 medals

Working: Green House = 15 medals, Blue House = 9 medals. $15 + 9 = 24$ medals.
Teaching note: Read each bar separately using the scale (Green: 5 units $\times$ 3 = 15; Blue: 3 units $\times$ 3 = 9), then add.

Answer 9. [3 marks]

Answer: Friday, 50 cones

Working: The tallest bar is Friday. It ends at the 10th gridline: $10 \times 5 = 50$ cones.
Marks: 1 mark for naming Friday, 1 mark for using the scale ( $\times 5$ ), 1 mark for the answer 50.
Common mistake: Counting gridlines as cones directly (answering 10).

Answer 10. [3 marks]

Answer: 100 cones

Working: Tue = 35, Wed = 25, Thu = 40. Total: $35 + 25 + 40 = 100$ cones.
Marks: 1 mark for reading each value correctly, 1 mark for adding, 1 mark for the total with units.
Teaching note: Convert each bar to its value first, then add. Do not add bar heights in units.

Answer 11. [3 marks]

Answer: 30 cones

Working: Friday = 50, Monday = 20. $50 - 20 = 30$ fewer cones.
Marks: 1 mark for each correct value, 1 mark for correct subtraction.
Teaching note: "How many fewer A than B" means B $-$ A. Take the larger amount minus the smaller.

Answer 12. [3 marks]

Answer: 84 kg

Working: 3A = 18 kg, 3B = 24 kg, 3C = 12 kg, 3D = 30 kg. Total: $18 + 24 + 12 + 30 = 84$ kg.
Marks: 1 mark for correct readings, 1 mark for addition, 1 mark for total with units (kg).
Teaching note: Remember to write the unit. Mass here is measured in kilograms.

Answer 13. [3 marks]

Answer: 18 kg

Working: 3D = 30 kg, 3C = 12 kg. $30 - 12 = 18$ kg.
Marks: 1 mark for each value, 1 mark for subtraction with units.
Common mistake: Comparing bar heights in units (3 units vs 2 units) and forgetting the scale of 6 kg per unit.

Answer 14. [3 marks]

Answer: Sam (25), Tina (20), Priya (15), Wei (10)

Working: Read each bar: Sam $5 \times 5 = 25$ , Tina $4 \times 5 = 20$ , Priya $3 \times 5 = 15$ , Wei $2 \times 5 = 10$ . Then order from largest to smallest.
Marks: 1 mark for all values correct, 2 marks for fully correct order (1 mark if only one swap).
Teaching note: Converting every bar to its value makes ordering safe - comparing unit heights alone can lead to errors.

Answer 15. [3 marks]

Answer: No. He needed 30 more cones.

Working:
Step 1: Add the week's sales: $20 + 35 + 25 + 40 + 50 = 170$ cones.
Step 2: Compare with the goal: $170 < 200$ , so the goal was not reached.
Step 3: Find the shortfall: $200 - 170 = 30$ cones.
Marks: 1 mark for correct total, 1 mark for the comparison/conclusion, 1 mark for 30 more cones.
Teaching note: Multi-step data problems need you to collect values from the graph first, then decide whether to add, subtract, or both.

Answer 16. [3 marks]

Answer: Class 3E; 12 kg more than Class 3B

Working: 3E collects 36 kg. Compare: 36 kg $>$ 30 kg (3D), so Class 3E now has the most. Difference from 3B: $36 - 24 = 12$ kg.
Marks: 1 mark for identifying 3E, 1 mark for justifying with the comparison, 1 mark for 12 kg.
Teaching note: New information can change the graph's "winner". Always compare the new

<stage5_quiz_answers_md>

Primary 3 Mathematics Quiz - Data Analysis: Answer Key

Version: Practice Quiz 1 of 5 | Total Marks: 60

Syllabus-based practice content; not derived from past-year papers.

Answer 1. [2 marks]

Answer: 6 books

Teaching note: Read where the top of Cailing's bar meets the scale. It ends at the 3rd gridline. Since 1 unit = 2 books, $3 \times 2 = 6$ .
Common mistake: Writing "3" (counting units) instead of multiplying by the scale.

Answer 2. [2 marks]

Answer: 6 books

Working: Most books - Bala, 12 books. Fewest - Cailing, 6 books. Difference: $12 - 6 = 6$ books.
Teaching note: "Difference" always means subtraction.

Answer 3. [2 marks]

Answer: 25 bottles

Working: The apple juice bar ends at the 5th gridline. $5 \times 5 = 25$ bottles.
Teaching note: Always check the scale note before reading.

Answer 4. [2 marks]

Answer: Water

Working: The water bar is the tallest, reaching 40 bottles.
Teaching note: The tallest bar shows the largest value.

Answer 5. [2 marks]

Answer: 4 pupils

Working: Fish owners = 9, cat owners = 5. $9 - 5 = 4$ pupils.
Teaching note: "How many more" means subtract.

Answer 6. [2 marks]

Answer: 24 pupils

Working: $7 + 5 + 9 + 3 = 24$ pupils.
Common mistake: Missing one row when adding.

Answer 7. [2 marks]

Answer: Yellow House

Working: Yellow House's bar is the shortest, reaching 6 medals ( $2 \times 3$ ).
Teaching note: The shortest bar gives the smallest value.

Answer 8. [2 marks]

Answer: 24 medals

Working: Green House = 15 medals, Blue House = 9 medals. $15 + 9 = 24$ medals.
Teaching note: Read each bar using the scale first, then add.

Answer 9. [3 marks]

Answer: Friday, 50 cones

Working: The tallest bar is Friday, ending at the 10th gridline: $10 \times 5 = 50$ cones.
Marks: 1 mark for naming Friday, 1 mark for using the scale, 1 mark for the answer 50.
Common mistake: Counting gridlines as cones directly (answering 10).

Answer 10. [3 marks]

Answer: 100 cones

Working: Tue = 35, Wed = 25, Thu = 40. $35 + 25 + 40 = 100$ cones.
Marks: 1 mark for reading each value, 1 mark for adding, 1 mark for the total with units.

Answer 11. [3 marks]

Answer: 30 cones

Working: Friday = 50, Monday = 20. $50 - 20 = 30$ fewer cones.
Marks: 1 mark for each correct value, 1 mark for correct subtraction.
Teaching note: "How many fewer A than B" means B $-$ A.

Answer 12. [3 marks]

Answer: 84 kg

Working: $18 + 24 + 12 + 30 = 84$ kg.
Marks: 1 mark for correct readings, 1 mark for addition, 1 mark for total with units (kg).
Teaching note: Remember to write the unit.

Answer 13. [3 marks]

Answer: 18 kg

Working: 3D = 30 kg, 3C = 12 kg. $30 - 12 = 18$ kg.
Marks: 1 mark for each value, 1 mark for subtraction with units.
Common mistake: Comparing unit heights and forgetting the scale of 6 kg per unit.

Answer 14. [3 marks]

Answer: Sam (25), Tina (20), Priya (15), Wei (10)

Working: Sam $5 \times 5 = 25$ , Tina $4 \times 5 = 20$ , Priya $3 \times 5 = 15$ , Wei $2 \times 5 = 10$ . Order from largest to smallest.
Marks: 1 mark for all values correct, 2 marks for fully correct order.

Answer 15. [3 marks]

Answer: No. He needed 30 more cones.

Working:
Step 1: Add the week's sales: $20 + 35 + 25 + 40 + 50 = 170$ cones.
Step 2: Compare with the goal: $170 < 200$ , so the goal was not reached.
Step 3: Find the shortfall: $200 - 170 = 30$ cones.
Marks: 1 mark for the total, 1 mark for the comparison/conclusion, 1 mark for 30 more cones.

Answer 16. [3 marks]

Answer: Class 3E; 12 kg more than Class 3B

Working: 3E collects 36 kg. Compare: 36 kg $>$ 30 kg (3D), so Class 3E now has the most. Difference from 3B: $36 - 24 = 12$ kg.
Marks: 1 mark for identifying 3E, 1 mark for the comparison, 1 mark for 12 kg.
Teaching note: New information can change the graph's "winner". Always compare the new value with every existing bar.

Answer 17. [5 marks]

Answer: Correctly drawn bar graph

Bars to draw (scale 1 unit = 3 pupils):
Swimming: $12 \div 3 = 4$ units high
Soccer: $18 \div 3 = 6$ units high
Badminton: $9 \div 3 = 3$ units high
Table tennis: $15 \div 3 = 5$ units high
Marks: 1 mark for each correctly drawn bar (height and correct column); 1 mark for neat straight bars, correct title/labels and use of the given scale.
Common mistake: Drawing bars using the raw numbers (e.g., 12 units high) instead of dividing by the scale.

Answer 18. [5 marks]

Answer: 9 pupils chose Reading.

Working:
Step 1: Add the known groups: Sports + Music + Art = $14 + 9 + 8 = 31$ pupils.
Step 2: Subtract from the total surveyed: $40 - 31 = 9$ pupils.
Check: $14 + 9 + 9 + 8 = 40$ . ✓
Marks: 1 mark for method, 1 mark for 31, 2 marks for 9, 1 mark for a check or clear statement with units.
Teaching note: When one part is unknown, use the whole minus the known parts.

Answer 19. [5 marks]

Answer: Mei has 40 stickers.

Explanation: Ben read the height of the bar as the number of stickers. He forgot to use the scale. The graph says "Each unit = 10 stickers", and the bar rises to the 4th unit.
Working: $4 \times 10 = 40$ stickers.
Marks: 2 marks for explaining Ben's mistake (ignoring the scale), 2 marks for multiplying by 10, 1 mark for the answer 40 stickers.
Teaching note: On scaled picture/bar graphs, always multiply the units by what each unit stands for.

Answer 20. [5 marks]

(a) Answer: Star design; 6 more

Working: Week 2 $-$ Week 1 = $30 - 24 = 6$ . Star sold 6 more bookmarks in Week 2 than in Week 1. Heart stayed the same, and Rainbow fell, so only Star increased. [2]

(b) Answer: Rainbow design; 3 fewer

Working: Week 1 $-$ Week 2 = $30 - 27 = 3$ . Rainbow sold 3 fewer bookmarks in Week 2 than in Week 1. [2]

(c) Answer: 147 bookmarks

Working: Week 1 total: $24 + 18 + 30 = 72$ . Week 2 total: $30 + 18 + 27 = 75$ . Grand total: $72 + 75 = 147$ bookmarks. [1]
Teaching note: For two-way tables, read along the correct row or column before comparing or adding.

End of Answer Key