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Estimating and Measuring Accuracy in Units

Learn to estimate distances using appropriate units and determine accuracy levels for measurements in various scenarios. Practice rounding numbers for precision. Improve your quantitative skills!

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Estimating and Measuring Accuracy in Units

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  1. Unit 1-1 Study Guide Reporting Quantities

  2. What units would you use to estimate the distance from base to base on a baseball diamond? • a. inches • b. yards • c. miles • d. feet

  3. What order of 10 would you use to estimate the number of teachers in the school? • a. 103 - thousands • b. 10-3 – thousandths • c. 101– tens • d. 102 - hundreds

  4. What units would you use to estimate the distance from T.H. Bell to your house? • a. meters • b. decimeters • c. centimeters • d. kilometers

  5. What level of accuracy would you measure the weight of a watermelon? • a. ounces • b. pounds • c. tens of pounds • d. tenths of pounds

  6. What level of accuracy would you need to measure the volume of a swimming pool? • a. cubic pounds • b. cubic centimeters • c. cubic meters • d. cubic ounces

  7. A window measures 4.3 ft. x 6.1 ft. 26 ft2 is the most accurate area of the window. • True • False

  8. What is the most accurate answer to this expression: 2пr2when r=3? • a. 18п • b. 56.52 • c. 16п • d. 50.24

  9. What is the most accurate value of √ 23 +52 ? • a. 33 • b. √ 16 • c. 5.745 • d. √ 33

  10. Which situation would require the least precise measurement? • a. drilling a hole for a screw • b. setting a laser for eye surgery • c. throwing a Frisbee to a friend • d. cutting glass for a car window

  11. Round the following to the nearest thousandth: 563.412673 • a. 563.4127 • b. 563 • c. 563.413 • d. 600

  12. Round the following to the nearest whole number: 89.521 • a. 90 • b. 89.5 • c. 89.0 • d. 89

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