Chapter 2 Resource: Measurement - Learning Services Home

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Name Date Class 3 Enrichment Double Data Directions: Use the graph to answer the questions below. The double line graph shows the growth of two alligators. The vertical scale shows the length in centimeters. Meeting Individual Needs Length (cm) 180 160 140 120 100 80 60 40 20 0 1 2 3 4 5 6 7 8 9 10 Years 1. Is a double line graph appropriate for presenting the alligators’ growth Explain. 2. At what age was the difference in the two alligators’ lengths the greatest Explain how you determined your answer. 3. How can you use the graph to figure out when each alligator grew the most 4. Write a description comparing the lengths and growth of the two alligators at various ages. Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. 28 Measurement
Name Date Class Note-taking Worksheet Measurement Section 1 Description and Measurement A. _______________—describes world using numbers 1. Types of ____________—distance, time, speed, volume, mass 2. Measurement can also help describe __________. B. Approximated measurement based on previous experience is ______________. 1. Estimation is useful when actual measurements are ______________ made. 2. Estimation can check that an answer is ______________. 3. When you estimate, you often use the word _________. C. Precision and accuracy 1. _____________—a description of how close measurements are to each other a. Used to discuss number of __________________ a measuring device can measure b. Degrees of Precision—today’s measuring devices are more ___________. 2. ____________—comparison of measurement to actual value Meeting Individual Needs 3. Precision and accuracy are important in many ___________ procedures. Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. 4. Measurements can be ___________ when precision is not needed. 5. ______________________—reflect true precision of a calculation Section 2 a. Multiplication or division—measurement with the __________ digits determines the number of significant digits. b. Addition or subtraction—significance determined to the place value of the _________ precise measurement SI Units A. The International System—______ units, in multiples of _______, provide a standard of consistent measurement for global science, business, and industry. B. Length—the distance between two points; SI unit—_________ 1. Measure pencil—use _______________ 2. Measure distance from New York to Chicago—use ______________ Measurement 29
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Chapter 2 Resource: Measurement - Learning Services Home

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