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Place Value, Word, Expanded and Standard Forms

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Decimals show amounts between two consecutive counting numbers (3,4…) 0.45 is between 0 and is between 3 and 4 25,196.8 is between 25,196 and 25,197

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Decimal word names always end in -th or -ths one tenth0.1 four hundredths0.04 seven and three tenths7.3

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The decimal is represented by the word and when writing and saying decimals in words. 2.1 = two and one tenth 4.5 = four and five tenths = seventeen and sixty-one hundredths

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To write a number containing a whole number and decimal follow these steps: A. Write the whole number in words B. Write and C. Write the numbers shown in the decimal D. Write the last place a digit occupies in the decimal (the farthest right) A. thirty-two B. and C. forty-six D. hundredths thirty-two and forty-six hundredths

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Write the place individually =

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Write the place individually = 5

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Write the place individually =

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Write the place individually =

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Write the place individually =

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Multiply the digit by the value of the corresponding place =

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Multiply the digit by the value of the corresponding place = (5 x 1)

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Multiply the digit by the value of the corresponding place = (5 x 1) + (3 x 0.1)

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Multiply the digit by the value of the corresponding place = (5 x 1) + (3 x 0.1) + (6 x 0.001)

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Multiply the digit by the value of the corresponding place = (5 x 1) + (3 x 0.1) +(6 x 0.001)

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To put a number in standard (numeral) form from expanded form, just add all places together

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To put a number in standard (numeral) form from expanded form, just add all places together

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To put a number in standard (numeral) form from expanded form, just add all places together (be sure to line up your decimals)

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To put a number in standard (numeral) form from expanded form, just add all places together

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Standard form of one hundred thirty and three tenths Expanded form of 0.56 Word form of 0.234

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