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Lesson 11-7 Pages 590-594

Lesson 11-7 Pages 590-594. Precision and Significant Digits. What you will learn!. How to describe the measurements using precision and significant digits. How to apply precision and significant digits in problem-solving situations. Vocabulary. What you really need to know!.

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Lesson 11-7 Pages 590-594

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  1. Lesson 11-7Pages 590-594 Precision and Significant Digits

  2. What you will learn! • How to describe the measurements using precision and significant digits. • How to apply precision and significant digits in problem-solving situations.

  3. Vocabulary

  4. What you really need to know! The precision of a measurement is the exactness to which a measurement is made.

  5. What you really need to know! Significant digits indicate the precision of the measurement.

  6. What you really need to know! If a number contains a decimal point, the number of significant digits is found by counting the digits from left to right, starting with the first nonzero digit and ending with the last digit.

  7. What you really need to know! If a number does not contain a decimal point, the number of significant digits is found by counting the digits from left to right, starting with the first digit and ending with last nonzero digit.

  8. What you really need to know! When adding or subtracting measurements, the sum or difference should have the same precision as the least precise measurement.

  9. What you really need to know! When multiplying or dividing measurements, the product or quotient should have the same number of significant digits as the measurement with the least significant digits.

  10. Link to Pre-Made Lesson

  11. Example 1: Identify the precision unit of the thermometer shown: 5°F

  12. Example 2: Determine the number of significant digits in the measure.

  13. Example 3: The sides of a quadrilateral measure 0.6m, 0.044m, 0.24m, and 0.103m. Use the correct number of significant digits to find the perimeter.

  14. Example 4: A room is 12.25 ft wide and 14 ft long. What is the area of the room?

  15. Example 4: A room is 12.25 ft wide and 14 ft long. What is the area of the room?

  16. Page 592 Guided Practice #’s 4-12

  17. Read: Pages 590-592 with someone at home and study examples!

  18. Homework: Pages 593-594 #’s 13-38 all #’s 41-47

  19. Study Guide and Review Pages 595-598 #’s 1-32 (Odd answers in back of book)

  20. Prepare for Test! Page 599 #’s 1-20

  21. Prepare for Test! Pages 600-601 #’s 1-20

  22. Page 752 Lesson 11-7

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