Place value is not only important for whole numbers ... For decimals, we focus on the columns tenths, hundredths and thousandths. By combing the two, ‘in-between’ numbers can be shown.

Numbers that end in a 5 or a number greater than 5 are rounded up to the nearest tenth or hundredth. This number line shows how this works for decimals between 1.6 and 1.7. A place value chart can ...