Bell Ringer<br />Simplify the following:<br />1.  √30 * √60<br />2.  √300 * 5√20<br />3.  6√20 + 3√10 – 5√20 – 10√10<br />...
What are we doing today?<br />	SPI 4.4 Convert rates and measurements.<br />
Conversion factors<br />A CONVERSION FACTOR is the number you multiply or divide by to convert from one unit to another.<b...
Important Conversion Factors<br />
Important Conversion Factors cont.<br />
In the metric system,<br />milli- = 1/1,000<br />centi- = 1/100<br />kilo- = 1,000<br />
Important Conversion Factors cont.<br />
An example of a problem:<br />The mass of an object is 7.45 kg.  What is the mass of the object in grams?<br />We’ll use D...
The mass of an object is 7.45 kg.  What is the mass of the object in grams?<br />
Pairs Check<br />Person 1:  How many liters of water are in 35 mL?<br />Person 2: How many mL of water are in 2.3 L?<br />
Another Pairs Check<br />Person 1: The road between two towns is 2.44 miles long.  How long is the road in yards?<br />Per...
Another example:<br />A truck is traveling at 55 miles per hour.  How many feet per second is the truck traveling?<br />
Pairs Check<br />Person 1:  A truck is traveling at 90 miles per hour.  How many feet per second is the truck traveling?<b...
Dimensional Analysis<br />Give the definition in your own words.<br />Give examples.<br />
ACTIVITY TIME!<br />
U R the Teacher<br />Teacher solves:  A living room has 12 yards of carpeting.  How many inches of carpeting is this?<br />
Assignment<br />Complete worksheet on whiteboard.<br />
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Spi 4.4 rates and measurements annotated

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Spi 4.4 rates and measurements annotated

  1. 1. Bell Ringer<br />Simplify the following:<br />1. √30 * √60<br />2. √300 * 5√20<br />3. 6√20 + 3√10 – 5√20 – 10√10<br />4. Find the distance AND midpoint of the line segment with the endpoints (-6, -2) and (5, 6).<br />
  2. 2.
  3. 3.
  4. 4.
  5. 5.
  6. 6. What are we doing today?<br /> SPI 4.4 Convert rates and measurements.<br />
  7. 7. Conversion factors<br />A CONVERSION FACTOR is the number you multiply or divide by to convert from one unit to another.<br />In the metric system, <br />milli- = 1/1,000<br />centi- = 1/100<br />kilo- = 1,000<br />
  8. 8. Important Conversion Factors<br />
  9. 9. Important Conversion Factors cont.<br />
  10. 10. In the metric system,<br />milli- = 1/1,000<br />centi- = 1/100<br />kilo- = 1,000<br />
  11. 11. Important Conversion Factors cont.<br />
  12. 12. An example of a problem:<br />The mass of an object is 7.45 kg. What is the mass of the object in grams?<br />We’ll use DIMENSIONAL ANALYSIS to solve these problems.<br />
  13. 13. The mass of an object is 7.45 kg. What is the mass of the object in grams?<br />
  14. 14. Pairs Check<br />Person 1: How many liters of water are in 35 mL?<br />Person 2: How many mL of water are in 2.3 L?<br />
  15. 15. Another Pairs Check<br />Person 1: The road between two towns is 2.44 miles long. How long is the road in yards?<br />Person 2: The road between two towns is 5,922 yards long. How long is the road in miles?<br />
  16. 16. Another example:<br />A truck is traveling at 55 miles per hour. How many feet per second is the truck traveling?<br />
  17. 17. Pairs Check<br />Person 1: A truck is traveling at 90 miles per hour. How many feet per second is the truck traveling?<br />Person 2: A truck is traveling at 20 miles per hour. How many feet per second is the truck traveling?<br />
  18. 18. Dimensional Analysis<br />Give the definition in your own words.<br />Give examples.<br />
  19. 19. ACTIVITY TIME!<br />
  20. 20. U R the Teacher<br />Teacher solves: A living room has 12 yards of carpeting. How many inches of carpeting is this?<br />
  21. 21. Assignment<br />Complete worksheet on whiteboard.<br />

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