Class IV – PISA Questions: Thousands Around Us

Question 1: Comparing Numbers

A school has 4,287 students, another school has 3,958 students, and a third school has 4,320 students.

Q1a. Which school has the most students?
Answer: Third school (4,320 students)

Q1b. How many more students does it have than the school with the least students?
Answer: 4,320 − 3,958 = 362 students more

Question 2: Place Value Reasoning

Q2a. In 27,654, what is the value of 6?
Answer: 6 is in the hundreds place, so value = 600

Q2b. In 45,218, what is the sum of the digits in the thousands and tens place?
Answer: Thousands = 5, Tens = 1 → Sum = 5 + 1 = 6

Question 3: Rounding Numbers

A factory produces 23,478 toys in a year.

Q3a. Round this number to the nearest thousand.
Answer: 23,000

Q3b. Round this number to the nearest ten thousand.
Answer: 20,000

Question 4: Word Problem – Addition

A library has 12,458 books. This month, it receives 3,742 more books.

Q4a. How many books are in the library now?
Answer: 12,458 + 3,742 = 16,200 books

Q4b. If 4,500 books are borrowed, how many books remain?
Answer: 16,200 − 4,500 = 11,700 books

Question 5: Word Problem – Subtraction

A farmer has 8,732 kg of wheat. He sells 2,489 kg.

Q5a. How much wheat remains?
Answer: 8,732 − 2,489 = 6,243 kg

Q5b. If the remaining wheat is divided equally into 4 bags, how much wheat will each bag have?
Answer: 6,243 ÷ 4 = 1,560.75 kg per bag (approx. 1,561 kg)

Question 6: Estimation

A city has 12,487 houses, and each house has 5 people.

Q6a. Estimate the total population.
Answer: 12,487 × 5 ≈ 62,435 people

Q6b. If 1,250 new houses are built, estimate the new population.
Answer: 12,487 + 1,250 = 13,737 × 5 ≈ 68,685 people

Question 7: Comparing Large Numbers

Arrange in ascending order: 15,672; 14,289; 16,031; 15,000
Answer: 14,289; 15,000; 15,672; 16,031

Question 8: Real-Life Application

A bus company sold 13,456 tickets this month. Another company sold 12,987 tickets.

Q8a. Which company sold more tickets?
Answer: First company (13,456 tickets)

Q8b. How many tickets more did the first company sell?
Answer: 13,456 − 12,987 = 469 tickets more

Question 9: Critical Thinking – Multiple Steps

A school has 5,432 pencils. They buy 2,678 more pencils and then distribute 4,500 pencils to students.

Q9a. How many pencils are in the school after buying more?
Answer: 5,432 + 2,678 = 8,110 pencils

Q9b. How many pencils are left after distributing?
Answer: 8,110 − 4,500 = 3,610 pencils

Question 10: Problem Solving with Rounding

A company produces 47,682 bottles in a month.

Q10a. Round to the nearest thousand.
Answer: 48,000

Q10b. Round to the nearest ten thousand.
Answer: 50,000

Question 11: Place Value and Reasoning

Q11a. In 36,518, which digit is in the ten-thousands place?
Answer: 3

Q11b. What is the difference between the digits in the thousands place and hundreds place?
Answer: Thousands = 6, Hundreds = 5 → Difference = 6 − 5 = 1

Question 12: Word Problem – Multi-Step

A shop has 9,872 chocolates. They sell 3,489 chocolates and buy 2,350 more chocolates.

Q12a. How many chocolates are there after selling?
Answer: 9,872 − 3,489 = 6,383 chocolates

Q12b. How many chocolates after buying more?
Answer: 6,383 + 2,350 = 8,733 chocolates

Question 13: Reasoning – Even/Odd Numbers

Q13a. Is 24,876 an even number or odd number?
Answer: Even (last digit is 6)

Q13b. Is 15,421 even or odd?
Answer: Odd (last digit is 1)

Question 14: Real-Life Comparison

A stadium has 12,435 seats and another has 12,543 seats.

Q14a. Which stadium has more seats?
Answer: Second stadium (12,543 seats)

Q14b. How many more seats does it have?
Answer: 12,543 − 12,435 = 108 seats more

Question 15: Estimation – Rounding and Calculation

A factory produces 36,842 toys, and another produces 28,975 toys.

Q15a. Round both to the nearest thousand and calculate the approximate difference.
Answer: 36,842 → 37,000; 28,975 → 29,000; Difference ≈ 37,000 − 29,000 = 8,000 toys

Q15b. What is the actual difference?
Answer: 36,842 − 28,975 = 7,867 toys

This set of 15 PISA questions includes:

Place value reasoning
Large number comparison
Real-life word problems
Rounding and estimation
Multi-step calculations

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Saturday, August 16, 2025