New
New
Year 4

Round a 4-digit number to the nearest hundred and ten

I can use place value to round a 4-digit number to the nearest hundred and the nearest ten.

New
New
Year 4

Round a 4-digit number to the nearest hundred and ten

I can use place value to round a 4-digit number to the nearest hundred and the nearest ten.

Lesson details

Key learning points

  1. Identify the next and previous multiples of 10 or 100 to the number on a number line.
  2. Rounding to the nearest 100, look at the tens value to decide whether to round to the previous or next multiple of 100
  3. Rounding to the nearest 10, look at the ones value to decide whether to round to the previous or next multiple of 10
  4. If the value of the digit you are looking at is 5 or more you round to the next multiple.

Common misconception

A tricky digit for many pupils to consider is 0 because the rounded number is often the same as the original number. Pupils are often tempted to round to the multiple before the one they should.

Spend some time establishing with pupils that occasionally when zeroes are involved, the number does not actually change when it is rounded. Number lines are a great visual support when rounding, including in this aspect.

Keywords

  • Rounding - Making a number simpler but keeping its value close to what it was.

  • Multiple - The result of multiplying a number by an integer. For example, multiples of 100 are 100, 200, 300, 400 etc.

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

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6 Questions

Q1.
What is the next number in the sequence? 0 100 200 300
Correct Answer: 400
Q2.
Which of these numbers is a multiple of 100?
Correct answer: 500
3,486
80
Correct answer: 5,000
Q3.
Which of these is the multiple of 10 that comes before 327?
300
Correct answer: 320
330
400
Q4.
What is the next multiple of 10 after 589?
Correct Answer: 590
Q5.
Match each 3-digit number to the nearest multiple of 10
Correct Answer:149 ,150

150

Correct Answer:157 ,160

160

Correct Answer:144 ,140

140

Q6.
When rounding numbers, what is the rule for the digit 5?
Round to the previous multiple.
Correct answer: Round to the next multiple.
Do not round the number.
Round to either multiple - it does not matter.

6 Questions

Q1.
Round 4,825 to the nearest multiple of 100
An image in a quiz
4,000
Correct answer: 4,800
4,900
5,000
Q2.
Select all of the numbers that, when rounded to the nearest multiple of 100, round to 5,200
An image in a quiz
5,149
Correct answer: 5,150
Correct answer: 5,151
Correct answer: 5,249
5,250
Q3.
Round 3,515 to the nearest multiple of 10
An image in a quiz
Correct Answer: 3,520, 3520
Q4.
Round 3,510 to the nearest multiple of 10
3,500
Correct answer: 3,510
3,520
4,000
Q5.
Round 5,555 to the nearest multiple of 10
Correct Answer: 5,560, 5560
Q6.
Round 4,820 to the nearest multiple of 10
Correct Answer: 4,820, 4820

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