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When a decimal number has zeros after the comma, at the end of the number, we can delete those zeros since they have no value.

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In order to convert the tenths to thousandths, we multiply the tenths by 100, moving the decimal comma two places to the right. Example: 7.257 tenths = 725.7 thousandths.

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In order to convert the units to thousandths, we multiply the tenths by 1000, moving the decimal comma three places to the right. Example: 5.25 units = 5250 thousandths.

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In order to convert hundredths to tenths we have to do groups of 10 hundredths to do a tenth.
With 30 hundredths we have 3 tenths. What we have done is to divide by 10. For this we move the comma one place to the left. Example: 50 hundredths = 5 tenths.

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In order to convert hundredths to units we have to make groups of 100, move the decimal comma two places to the left. Example: 700 hundredths = 7 units.

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We convert the thousandths to units dividing by 1000, moving the decimal comma three places to the left. Example: 327 thousandths = 0.327 units.

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Transformation exercises

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®Arturo Ramo García.-Record of intellectual property of Teruel (Spain)
No 141, of 29-IX-1999

Plaza Playa de Aro, 3, 1º DO 44002-TERUEL