Year 10 GCSE Maths Worksheet – Rounding to Nearest 10, 100 & 1000 (for 15‑Year‑Olds)

Instructions

Read each question carefully. To round a number, look at the digit to the right of the place value you are rounding to. If the digit is 5 or more, round up. If the digit is 4 or less, keep the place value digit the same. Remember to replace the following digits with zeros.

Section A: Rounding to the nearest 10

Round the following numbers to the nearest 10.

1. 78
2. 152
3. 695
4. 1,483
5. 3,009
6. A café sold 247 cups of coffee on Monday. Round this number to the nearest 10.

Section B: Rounding to the nearest 100

Round the following numbers to the nearest 100.

1. 431
2. 876
3. 2,350
4. 9,961
5. 14,545
6. A website received 35,882 hits in one day. The site owner reported this figure rounded to the nearest 100. What number did they report?

Section C: Rounding to the nearest 1000

Round the following numbers to the nearest 1000.

1. 6,800
2. 4,290
3. 18,500
4. 79,750
5. 129,499
6. The distance from London to Tokyo is approximately 9,588 km. What is this distance rounded to the nearest thousand kilometres?

Section D: Mixed Practice and Challenge

Complete the table below. Round each number to the required place value.

Challenge Question:

A business reports its quarterly profits. In Q1 it made £12,480, in Q2 it made £15,810, and in Q3 it made £14,500. To create a simplified chart, each profit figure needs to be rounded to the nearest thousand.

1. What are the rounded profit figures for Q1, Q2, and Q3?
2. Using your rounded figures, calculate the estimated total profit for the three quarters.

Answer Key

Section A: Rounding to the nearest 10

1. 80
2. 150
3. 700
4. 1,480
5. 3,010
6. 250 cups

Section B: Rounding to the nearest 100

1. 400
2. 900
3. 2,400
4. 10,000
5. 14,500
6. 35,900 hits

Section C: Rounding to the nearest 1000

1. 7,000
2. 4,000
3. 19,000
4. 80,000
5. 129,000
6. 10,000 km

Section D: Mixed Practice and Challenge

Table Answers:

Challenge Question Answers:

1. Q1: £12,000, Q2: £16,000, Q3: £15,000
2. £12,000 + £16,000 + £15,000 = £43,000