For example, in the number 24 – the digit 2 is worth 20 (twenty), and in the number 2007 the digit 2 is worth 2000 (two thousand). The valueof the digit we define knowing its place value, i.e. These are 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 (one, two, three, four, five, six, seven, eight, nine, nought ( = zero)). There are ten digits (or figures) in mathematics. 7 (seven), 15 (fifteen), 136 (one hundred and thirty six) are whole numbers.įor writing words we use letters, for writing numbers we use digits (or figures). The numbers we use to count objects are called whole numbers.
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