As with the other example we will use a place value chart to work out the answer. The whole number is 56 and the part 42. Here we have 5 sets of pencils and 6 marbles representing 56. We've taken ...

75 is the whole number and 43 and 32 are the parts. When a number is made up of more than one digit we can use a place value chart with headings, like ones, tens, hundreds and thousands ...