Lesson 3.3 Ordering Decimals

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Presentation transcript:

Lesson 3.3 Ordering Decimals Comparing Metric Lengths Look at your ruler to see if 10.6 < 11 or 11>10.6

Lesson 3.3 Ordering Decimals Ordering Numbers on a Number Line Order the numbers x, y, and z from greatest to least. 3.6 4.5 5.2 3 X 4 Y Z 5 5.2 > 4.5 > 3.6

Lesson 3.3 Ordering Decimals Ordering Numbers on a Number Line Order the numbers x, y, and z from greatest to least. 3.06 3.15 3.22 3.0 X 3.1 Y Z 3.2 3.22 > 3.15 > 3.06

Lesson 3.3 Ordering Decimals Comparing Decimals 3.2 3.1 3.0 3.06 3.15 3.22 3.22 > 3.15 > 3.06 X Y Z When you graph decimals on a number line to compare them, the greater number is farther to the right. You can also compare decimals by looking at their place values. How?

3 STEPS FOR COMPARING & ORDERING DECIMALS 5.796 and 5.85 Copy in your notebook Ordering Decimals 3 STEPS FOR COMPARING & ORDERING DECIMALS 5.796 and 5.85 Write the decimals in a column, lining up the decimal points. 5 . 7 9 6 8 2. If necessary, write zeros to the right of the decimals so that all decimals have the same number of decimal places. 3. Compare place values from left to right. Since 8 > 7, 5.850 > 5.796

Lesson 3.3 Ordering Decimals YOUR TURN Try in your notebook Order the numbers from greatest to least. 9.5, 9.35, 9.65 1.01, 0.00, 1.00, 0.11, 1.10, 0.10, 1.11

Use <, =, or > to complete each statement. Do in your notebook 0.01 0.15 0.207 0.27 2.36 2.036 0.990 0.99 0.05 0.15 34.4 34.40 Use place value to order the decimals from least to greatest. 3.46, 3.64, 3.59 ____________________ 1.09, 1.9, 1.1 ____________________ 10.02, 10.2, 1.02 ____________________ Order each set of numbers on a number line 0.67, 0.7, 0.6 8.26, 8.01, 8.1