# Expanded notation and expanded form

## Interactive practice questions

Express the following as a single number:

$40000+400+20+1$40000+400+20+1.

Note: Do not use comma separators

Easy
Less than a minute

Express the following number in expanded form:

$1430$1430

Express the following number in expanded form:

$23005$23005

Express the following number as a sum of place values

$60424$60424

You do not need to use index notation.

### Outcomes

#### NA3-3

Know counting sequences for whole numbers.

#### NA3-4

Know how many tenths, tens, hundreds, and thousands are in whole numbers.