New
New
Year 3

Represent a 3-digit number up to 1,000 in different ways

I can represent 3-digit numbers in different ways.

New
New
Year 3

Represent a 3-digit number up to 1,000 in different ways

I can represent 3-digit numbers in different ways.

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Lesson details

Key learning points

  1. Place value equipment represents 3-digit numbers efficiently.
  2. A 3-digit number is made out of hundreds, tens and ones.
  3. The position of the digit tells you its place value.

Keywords

  • Represent - Represent means showing something, or standing for something.

  • 3-digit number - A 3-digit number represents a number of hundreds, tens and ones.

  • Place value - Place value means how much a digit is worth in a number.

Common misconception

Pupils may struggle to represent numbers where tens or ones are missing (e.g. 307 or 680).

Use place value grids to represent numbers, showing that there are 'no tens' or 'no ones'. Use alongside base ten block representations.

Most pupils will find base ten blocks very useful in this lesson. They can be used alongside place value grids to represent 3-digit numbers.
Teacher tip

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).

Lesson video

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6 Questions

Q1.
What number is represented by the base ten blocks?
An image in a quiz
Correct Answer: 60, sixty
Q2.
What number is represented by the base ten blocks?
An image in a quiz
Correct Answer: 145, one hundred and forty five
Q3.
What is the value of the 7 digit in the number 173?
7
Correct answer: 70
700
Q4.
What number is one less than 120?
Correct Answer: 119, one hundred and nineteen
Q5.
What is the sum of each equation?
Correct Answer:60 + 20 =,80

80

Correct Answer:50 + 10 =,60

60

Correct Answer:40 + 30 =,70

70

Q6.
Which calculations would cross a 100s boundary?
Correct answer: 99 + 10
104 + 10
87 – 10
Correct answer: 104 - 10

6 Questions

Q1.
Which of these are 3-digit numbers?
Correct answer: 103
1,000
96
Correct answer: 330
Q2.
What is the value of the digit 8 in 586?
800
Correct answer: 80
8
Q3.
What number is represented by the base 10 blocks?
An image in a quiz
Correct Answer: 321, three hundred and twenty one
Q4.
What number is represented by the base ten blocks?
An image in a quiz
Correct Answer: 206, two hundred and six
Q5.
Which place value chart represents 400 + 30 + 2 =
An image in a quiz
a
b
Correct answer: c
Q6.
What is the missing addend?
An image in a quiz
Correct Answer: 6, six, 6 ones, six ones , six 1s