This activity is about hundreds, tens and ones.
In a 3-digit number the digits go in columns.
Look at the number:
Put each digit in the columns like this:
So 345 is 3 hundreds, 4 tens and 5 units, which is three hundred and forty-five.
345 = 300 + 40 + 5
Are you happy to have a go at some questions on this now?