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A guide for parents of struggling fifth grade students, especially in the area of conversions.

A guide for parents of struggling fifth grade students, especially in the area of conversions.

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  • 1. Conversions A guide for parents of fifth grade students who struggle with conversions.
  • 2. Before we can begin…
    • C us tomary measurement – used in US A
    • M e tric measurement – used almost e verywhere else!
    Length – how long? Capacity – how much does it hold? Mass – weight? Temperature – how hot/cold?
  • 3. Customary Measurement Units
    • Length – inches, feet, yards, miles
    • Capacity – fl oz, cup, pint, quart, gallon
    • Mass – ounces, pounds, tons
    • Temperature - Fahrenheit
  • 4. Metric Measurement Units
    • Length – millimeter, centimeter, meter, kilometer
    • Capacity – milliliter, liter
    • Mass – milligram, gram, kilogram
    • Temperature - Celsuis
    *Metric units are based on powers of ten – the examples given are the common units. Others do exist – see child’s notebook for more.
  • 5. Customary to Metric Conversions Length Kilometers 1.6 Miles Meters 0.9 Yards Centimeters 30.5 Feet Centimeters 2.54 Inches To Find Multiply By When You Know
  • 6. Customary to Metric Conversions Capacity Liters 0.24 Cups Liters 3.8 Gallon Liters 0.95 Quarts Liters 0.47 Pints Milliliters 30 Fluid Ounces To Find Multiply By When You Know
  • 7. Customary to Metric Conversions Mass & Temperature Celsius -30 ÷2 Fahrenheit Kilograms 0.45 Pounds Grams 28 Ounces To Find Multiply By When You Know
  • 8. Sample Problem
    • Use the previous charts to help answer this question:
    • Matthew ride his bike 3 miles to the park, 1.5 miles on the bike trail, and comes home the same way. How many kilometers did Matthew ride on his bike?
  • 9. Solution to Sample Problem
    • Matthew rode 3 miles to the park, 1.5 miles at the park, and 3 miles back home.
    • 3 + 3 + 1.5 = 7.5 miles
    • How many kilometers did he ride?
    • 7.5 miles x 1.6 = 12 kilometers
  • 10. Sample Problem 2
    • Now try this one:
    • A fish tank holds 5 gallons of water. If 2 gallons are removed, how many liters of water remain in the fish tank?
  • 11. Solution to Sample Problem 2
    • Fish tank is holding 5 gallons minus 2 gallons .
    • 5 – 2 = 3
    • How many liters are remaining?
    • 3 gallons x 3.8 = 11.4 liters
  • 12. Metric to Customary Conversions Length Miles 0.6 Kilometer Yard 1.1 Meters Feet 3.3 Meters Inches 0.4 Centimeters To Find Multiply By When You Know
  • 13. Metric to Customary Conversions Capacity Gallons 0.26 Liters Quarts 1.05 Liters Pints 2.1 Liters Fluid ounces 0.03 Milliliters To Find Multiply By When You Know
  • 14. Metric to Customary Conversions Mass & Temperature Fahrenheit x2 +30 Celsius Pounds 2.2 Kilograms Ounces 0.035 Grams To Find Multiply By When You Know
  • 15. Sample Problem
    • Jose wears a sweater when it is 40ºF, a jacket when it is 60ºF, and a t-shirt when it is 80ºF. He looks outside and the temperature is 25ºC. What will he choose to wear that day?
  • 16. Solution to Sample Problem
    • Jose wears a sweater when it is 40ºF , a jacket when it is 60ºF , and a t-shirt when it is 80ºF . He looks outside and the temperature is 25ºC . What will he choose to wear that day?
    • 25 x 2 = 50 + 30 = 80… so a t-shirt!
  • 17. Sample Problem 2
    • Mr. Alvarez’s dog weighs 50 kilograms. Mr. Alvarez weighs 150 pounds. Who weighs more – Mr. Alvarez or his dog?
  • 18. Solution to Sample Problem 2
    • Mr. Alvarez’s dog weighs 50 kilograms . Mr. Alvarez weighs 150 pounds . Who weighs more – Mr. Alvarez or his dog?
    • Dog: 50 kg x 2.2 = 110 pounds
    • Mr. Alvarez = 150 pounds
    • … so Mr. Alvarez weighs 40 pounds more.
  • 19. Additional Resources
    • All Math - plug in data & change units
    • IXL – Your child has username & password
    • E-How – a great website for parent/student interaction
    • Yahoo! Kids – great games to practice conversions
  • 20. Remaining Questions???
    • If you have remaining questions, comments, or suggestions for improvement, please e-mail me at:
    • [email_address]