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**Comparing and Ordering Decimals**

Lesson 1-3

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Using Models If you are comparing tenths to hundredths, you can use a tenths grid and a hundredths grid. Here, you can see that 0.4 is greater than 0.36.

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Using a Number Line Determine the highest and lowest number, and then draw tenths. If hundredths are necessary, draw those. Example: Put the following numbers in order on the number line: 1.4; 1.65; 1.58; 1.84; 1.8 In this example, the number line must be between 1.4 and 1.84.

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**First, fill in the tenths.**

1.4 1.58 1.65 1.8 1.84 1.5 1.6 1.7 First, fill in the tenths. Then, fill in the hundredths. Place the decimals on the line. Now the decimals are in order.

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**The Easy Way Line up the numbers vertically by the decimal point.**

Add “0” to fill in any missing spaces. Compare from left to right.

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**Put these numbers in order: 12.5; 12.24; 11.96; 12.36**

12 . 5 Fill in the missing space with a zero. 11.96 < < < 12.5

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Homework Time The above image is a royalty free picture provided by

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Lesson 4-3 Example 4 4-3 Compare 85.62 and 85.622. Step 1Line up the decimal points. Start at the left. Compare digit to digit until you find the place.

Lesson 4-3 Example 4 4-3 Compare 85.62 and 85.622. Step 1Line up the decimal points. Start at the left. Compare digit to digit until you find the place.

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