Question 1: A school has 246 students. Round this number to the nearest 10 to estimate the number of students in the school.

Answer: 250

Question 2: A car traveled 1,352 km in a week. Round this distance to the nearest 10 km to estimate how far the car traveled.

Answer: 1350

Question 3: A shop sells 487 items in a day. Round this number to the nearest 10 to estimate the daily sales.

Answer: 490

Question 4: A farmer harvested 2,768 apples last season. Round this to the nearest 10 for an approximate count.

Answer: 2760

Question 5: A factory produces 3,124 units of a product each week. Round to the nearest 10 to estimate weekly production.

Answer: 3120

Question 6: A marathon runner runs 42,195 meters in total. Round this to the nearest 10,000 meters to give an approximate distance.

Answer: 42000

Question 7: A delivery truck makes 875 deliveries in a month. Round this to the nearest 10 for an estimate.

Answer: 880

Question 8: A gardener plants 1,439 flowers in a season. Round to the nearest 10 to estimate the number of flowers planted.

Answer: 1430

Question 9: A city has a population of 1,236,789. Round this to the nearest 10,000 for a rough estimate.

Answer: 1230000

Question 10: A warehouse stores 9,562 items. Round this to the nearest 10 for an estimate of items stored.

Answer: 9560

Question 11: A train travels 789 km in a journey. Round to the nearest 10 km to estimate the distance traveled.

Answer: 790

Question 12: A farmer's field measures 4,987 square meters. Round this to the nearest 10 square meters for an approximation.

Answer: 4990

Question 1: A supermarket sold 3,467 bottles of juice last week. Estimate the number sold using rounding. If each bottle costs £2.50, estimate the total sales for the week.

Answer: £8,668

Question 2: A school library has 1,856 books. After a new shipment, the total becomes approximately 2,010. How many books were added? Round your answer and explain the steps.

Answer: Approximately 154 books added

Question 3: A factory produces 4,987 units daily. In one week, estimate the total production. Round carefully and justify your calculations.

Answer: Approximately 35,000 units

Question 4: A car traveled 2,764 km over 5 days. Round the total distance and find the average distance traveled per day. Show all working.

Answer: Approximately 2760 km total; about 552 km per day

Question 1: A farmer harvests 12,345 apples. Round to the nearest 10,000 to estimate the harvest size.

Answer: 10000

Question 2: A city’s population is approximately 987,654. Round to the nearest 10,000 for a quick estimate.

Answer: 990000

Question 3: A delivery company made 8,764 deliveries in a year. Round to the nearest 10 for an approximate count.

Answer: 8760

Question 1: A sports stadium has a capacity of 54,367 seats. Round to the nearest 1,000 to estimate its capacity. If 75% of seats are filled during a game, estimate the number of spectators.

Answer: Approximately 40,800 spectators

Question 2: A city plans to build 123 new houses. After planning, the total estimated cost is about £987,654. Round to the nearest 10,000 for the total cost estimate. Explain your reasoning.

Answer: Approximately £990,000

Question 1: A farmer harvests 3,251 apples and rounds to the nearest 10 as 3250. Is this correct? Explain your answer and correct if necessary.

Answer: No, it is not correct. 3,251 rounds to 3,250 because the units digit is 1, which means rounding down.

Question 2: A student estimates 9,876 km as 10,000 km when rounding to the nearest 10,000. Is this error acceptable? Justify your response.

Answer: Yes, because it is within 124 km, which is a small difference for a rough estimate.