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9-2

9-2. Understanding Metric Units of Measure. Course 1. Warm Up. Problem of the Day. Lesson Presentation. 9-2. Understanding Metric Units of Measure. Course 1. Warm Up Multiply the following by 1,000. 1. 0.03 2. 4.02 Divide the following by 1,000. 3. 30 4. 487.1. 30. 4,020.

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9-2

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  1. 9-2 Understanding Metric Units of Measure Course 1 Warm Up Problem of the Day Lesson Presentation

  2. 9-2 Understanding Metric Units of Measure Course 1 Warm Up Multiply the following by 1,000. 1.0.03 2. 4.02 Divide the following by 1,000. 3. 30 4. 487.1 30 4,020 0.03 0.4871

  3. 9-2 Understanding Metric Units of Measure Course 1 Problem of the Day James said he was 5 ft 6 in. tall. His brother’s height is 65 in. Who is the tallest and by how much? James, by 1 in.

  4. 9-2 Understanding Metric Units of Measure Course 1 Learn to understand and select appropriate metric units of measure.

  5. 9-2 Understanding Metric Units of Measure Course 1 Insert Lesson Title Here Vocabulary metric system

  6. 9-2 Understanding Metric Units of Measure Course 1 The metric system of measurement is used almost everywhere in the world. Its advantage over the customary system is that all metric units are related by the decimal system.

  7. 9-2 Understanding Metric Units of Measure Course 1 Additional Example 1: Choosing Appropriate Units of Length What unit of measure provides the best estimate? Justify your answer. A. A ballpoint pen is about 14 _____ long. Think: A ballpoint pen is about 14 times the width of a fingernail. A ballpoint pen is about 14 cm long. B. A football field is about 100 _____ long. Think: A football field is about 100 times the width of a single bed. A football field is about 100 m long.

  8. 9-2 Understanding Metric Units of Measure Course 1 Check It Out: Example 1 What unit of measure provides the best estimate? Justify your answer. A. A loaf of bread is about 3 _____ long. B. An earthworm is about 5 _____ long. Think: A loaf of bread is about 3 times the width of a CD case. A loaf of bread is about 3 dm long. Think: A. earthworm is about 5 times the width of a fingernail. An earthworm is about 5 cm long.

  9. 9-2 Understanding Metric Units of Measure Course 1

  10. 9-2 Understanding Metric Units of Measure Course 1 Additional Example 2: Choosing Appropriate Units of Mass What unit of measure provides the best estimate? Justify your answer. An orange has a mass of about 600 _____ . Think: An orange has a mass of about 600 times the mass of a large paperclip. An orange has a mass of about 600 g.

  11. 9-2 Understanding Metric Units of Measure Course 1 Check It Out: Example 2 What unit of measure provides the best estimate? Justify your answer. The Liberty Bell has a mass of about 943 _____ . Think: The Liberty Bell has a mass of about 943 times the mass of a textbook. The Liberty Bell has a mass of about 943 kg.

  12. 9-2 Understanding Metric Units of Measure Course 1

  13. 9-2 Understanding Metric Units of Measure Course 1 Additional Example 3: Choosing Appropriate Units of Capacity What unit of measure provides the best estimate? Justify your answer. An ice cream scoop holds about 100 _____ . Think: An ice cream scoop holds the capacity of about 100 times a drop of water. An ice cream scoop holds about 100 mL.

  14. 9-2 Understanding Metric Units of Measure Course 1 Check It Out: Example 3 What unit of measure provides the best estimate? Justify your answer. A large punch bowl holds about 7 _____ . Think: A large punch bowl holds the capacity of about 7 times the capacity of a blender container. A large punch bowl holds about 7 L.

  15. 9-2 Understanding Metric Units of Measure 1 m 2 Course 1 Additional Example 4: Estimating Measurement Measure the length of the line to the nearest meter. 3 4 The line is between 3 and 4 meters. Closer to 4 m than 3 m. The length of the line is about 4 m.

  16. 9-2 Understanding Metric Units of Measure 3 4 1 m 2 Course 1 Check It Out: Example 4 Measure the length of the line to the nearest meter. The line is between 1 and 2 meters. Closer to 1 m than 2 m. The length of the line is about 1 m.

  17. 9-2 Understanding Metric Units of Measure Course 1 Insert Lesson Title Here Lesson Quiz Name the most appropriate unit of measure. 1. A door knob has a diameter of about 7 _____. 2. A ballpoint pen weighs about 3 _____. 3. A gallon of milk is almost 4 _____. 4. Paul estimated the weight of his infant sister to t be 5 _____. cm g L kg

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