Representing Comparing and Ordering Decimals

Representing, Comparing, and ordering decimals

By Ron Schroeder

decimal numbers represent combinations of whole numbers and numbers between whole numbers.

Place Value can help you understand , write, and compare decimal numbers.​

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Place Value

​Reading and Writing Decimals

Write the decimal in standard form, expanded form, and words.

​ Standard form: 1.05

Expanded Form: 1 + 0.05

Word Form: one and five hundredths​

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Standard Form: 0.0517

​ Expanded Form: 0.05 + 0.001 + 0.0007

Word Form: five hundred seventeen ten-thousandths​

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Comparing and Ordering Decimals

Order the decimals from least to greatest. 13.25, 13.2, 13.04

1. Compare two of the numbers at a time.

2. Start at the left and compare the digits.

3. Look for the first place where the digits are different.

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13.25 > 13.20 13.25 > 13.04​ 13.20 > 13.04

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​​ 13.04 13.2 13.25

​​13 13.1 13.2 13.3 13.4 13.5 13.6 13.7

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Draw

Order the decimals from least to greatest and put on a number line. 9.5, 9.35, 9.65

Draw

Order the decimals from least to greatest and put on a number line. 4.18, 4.1, 4.09