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Published byShannon Webb Modified over 8 years ago

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PLACE VALUE

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Standard form: 804,932,008 *Each group of three digits is called a period and is separated by a comma Word form: eight hundred four million, nine hundred thirty-two thousand, eight *When you get to the comma, say the period * Expanded form: 8 x 100,000,000 + 4x 4,000,000 + 9x 100,000 + 3 x 10,000 + 2 x 1,000 + 8 *Split up the number using place value. For example, an 8 in the hundred millions place equals 8 x 100,000,000.

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You can line up the numbers to compare Example:76,552 Ο 76,852 76,552 76,852 5 < 8 so 76,552 < 76,852

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Examples: 7 = 0.7 54 = 0.54 17 = 0.017 10 100 1,000

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Word form 0.55 1. Say the decimal as a whole number fifty-five 2. Label the place value. In what column does the number end? hundredths Word form is fifty-five hundredths

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Standard form twenty-seven thousandths 1. What is the place value? Thousandths = 0. __ __ __ 2. Place the numbers to the right 0. 0 2 7 Standard form is 0.027

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Expanded form0.95 Multiply each number by it’s place value. 0.95 = (9 x 1/10) + (5x 1/100)

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You can line up the numbers to compare Example:0.592 Ο 0.512 0.592 0.512 9 > 1 so 0.592 > 0.512

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