1.1 Read, write, order and compare positive integers

Write 456 in word form.

Write 509 in words.

Write 274 in words.

Convert word form to standard form (numbers).

four hundred and ninety-seven

Convert word form to standard form (numbers).

three hundred and nineteen

Convert word form to standard form (numbers).

eight hundred and three

Convert word form to standard form (numbers).

nine hundred and thirty

Put into expanded form (000+00+0)

386

Put into expanded form (000+00+0)

405

Put into expanded form (000+00+0)

710