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.

### 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.

### 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.

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).

## Starter quiz

### 6 Questions

Q1.
What number is represented by the base ten blocks?
Q2.
What number is represented by the base ten blocks?
Correct Answer: 145, one hundred and forty five
Q3.
What is the value of the 7 digit in the number 173?
7
700
Q4.
What number is one less than 120?
Correct Answer: 119, one hundred and nineteen
Q5.
What is the sum of each equation?

80

60

70

Q6.
Which calculations would cross a 100s boundary?
104 + 10
87 – 10

## Exit quiz

### 6 Questions

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