4a converting measurements. metric and customary

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Metric and Customary conversion - 7th grade math

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4a converting measurements. metric and customary

  1. 1. 4a: Convert from one unit to another, perform basic operations, and solve real-world problems using English and Metric measurements within the same system<br />By: Deia Sanders<br />
  2. 2. English of Customary SystemLength<br />12 inches = 1 foot<br />3 feet = 1 yard<br />36 inches = 1 yard<br />5,280 feet = 1 mile<br />1,760 yards = 1 mile<br />
  3. 3. English of Customary SystemVolume<br />2 cups = 1 pint<br />2 pints = 1 quart<br />4 quarts = 1 gallon<br />8 ounces = 1 cup<br />
  4. 4. English of Customary SystemWeight<br />16 ounces = 1 pound<br />2,000 pounds = 1 ton<br />
  5. 5. Conversion Strategy<br />Sally Likes to Dally <br />Small to Large Divide<br />Lilly Sings with Milly<br />Large to Small Multiply<br />
  6. 6. Examples on page 3<br />
  7. 7. Metric Conversion Strategy<br />Mighty King Henry Died Unbelievably Drinking Chocolate Milk<br />Mega Kilo HectoDekaUNITDeciCentiMilli<br />Meter = Length<br />Liter = Volume<br />Gram = Mass<br />
  8. 8. Things to Remember<br /><ul><li>These units are listed largest to smallest
  9. 9. When converting Large to Small, move decimal to the right or multiply
  10. 10. When converting Small to Large, move decimal to the left or divide</li></li></ul><li>Examples on page 4<br />
  11. 11. What tool and unit would you use to measure the following? (English/Customary)<br />Length of a football field<br />Length of a nail<br />Height of a flag pole<br />Distance a car travels daily<br />Weight of an armored car<br />Weight of a paper clip<br />Weight of a dog<br />Capacity of a tea cup<br />Capacity of a fish tank<br />Capacity of a swimming pool<br />
  12. 12. Complete Handout #3 page 28<br />
  13. 13. Homework:Handout #4 page 30<br />
  14. 14. English/Customary Examples<br />Day 2<br />
  15. 15. Questions to answer when solving a word problem:<br /><ul><li> What conversion from the chart are we using?
  16. 16. What are we trying to determine?
  17. 17. Are we converting large to small or small to large?
  18. 18. What operation do we use?
  19. 19. Perform the calculation
  20. 20. Circle the answer</li></li></ul><li>Examples<br />Tamika designed a bridesmaid dress for her wedding that required 4 yards of fabric. If there are 12 bridesmaids in her wedding, how many feet of fabric are needed to make all of the dresses?<br />144 feet<br />
  21. 21. Another Examples<br />Julie wants to take a road trip from Little Rock, Arkansas, to Jackson, Mississippi. The map shows that the distance is 342 miles, but she wants to know the distance she will travel in feet. How many feet will she traveled by the end of the trip. <br />1,805,760 feet<br />
  22. 22. More Examples!!!<br />Mr. Horne has been collecting gallon milk containers because he needs to fill his goldfish pond with water in his backyard. His pond holds 248 quarts. How many gallon containers does he need to fill to complete his project?<br />62 gallons<br />
  23. 23. More…<br />The zoo received a new baby elephant, and they are trying to weigh him on their scales. The information on the scales says the maximum weight it can hold is 3.5 tons. The elephant came with a report that says he weighs 8, 542 ponds. How many pounds is 3.5 tons? Can they weigh the baby elephant on their scales?<br />
  24. 24. Last example!<br />Make the following conversions:<br />96 pounds = _____________ oz.<br />94 pints = ____________ cups<br />
  25. 25. Complete Handout #1 page 24<br />
  26. 26. Metric Conversions Day 3<br />
  27. 27. Examples<br />John and Mary are getting ready for the morning rush at their restaurant. They are pouring juice in to glasses. Each glass holds 250 mL of juice. How many glasses of juice could you pour from a 1 liter jug of orange juice?<br />4<br />
  28. 28. Another Example<br />Coach Thomas said 1 paperclip weighs 1 gram. If I had 40 paperclips, how many kilograms would the paperclips weigh?<br />0.04 kg<br />
  29. 29. More Examples<br />One human hair weighs 1 milligram. If I have 100,000 hairs on my head, how many grams does my head of hair weigh?<br />
  30. 30. Last Example:<br />Coach Smith makes us run 10 laps around the track during P.E. If 1 kilometer is equal to 2 laps around the track, how many kilometers do we run in P.E. everyday? How many meters is that equal to?<br />5km and 5,000 m <br />
  31. 31. Complete Handout # 2page 26<br />

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