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EXAMPLE 1

EXAMPLE 1. Writing Measurements as Decimals. EXAMPLE 1. Writing Measurements as Decimals. Fossils.

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EXAMPLE 1

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  1. EXAMPLE 1 Writing Measurements as Decimals

  2. EXAMPLE 1 Writing Measurements as Decimals Fossils Scientists study fossils to learn about plants and animals that lived in prehistoric times. The size of a fossil can help a scientist figure out what type of plant or animal it came from. A scientist finds a dinosaur tooth that is about 3 centimeters long. What is a more precise measurement for the tooth? You can use decimal parts of a centimeter to find out.

  3. EXAMPLE 1 Writing Measurements as Decimals To answer the question above about dinosaur teeth, use a metric ruler and write your answer as a decimal number of centimeters.

  4. EXAMPLE 1 Writing Measurements as Decimals

  5. EXAMPLE 1 Writing Measurements as Decimals From the metric ruler you can see that 2 millimeters is 2 tenths centimeter. The length is about 3 and 2 tenths centimeters.

  6. EXAMPLE 1 Writing Measurements as Decimals From the metric ruler you can see that 2 millimeters is 2 tenths centimeter. The length is about 3 and 2 tenths centimeters. ANSWER The length of the dinosaur tooth is about 3.2 centimeters.

  7. for Example 1 for Example 1 GUIDED PRACTICE GUIDED PRACTICE Write the length of the line segment as a decimal number of centimeters. 1.

  8. for Example 1 GUIDED PRACTICE Write the length of the line segment as a decimal number of centimeters. 1. ANSWER The length is about 2.6 centimeters.

  9. for Example 1 GUIDED PRACTICE Write the length of the line segment as a decimal number of centimeters. 2.

  10. for Example 1 GUIDED PRACTICE Write the length of the line segment as a decimal number of centimeters. 2. ANSWER The length is about 3.3 centimeters.

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