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This lesson covers the fundamentals of converting measurements within the metric system, emphasizing their practical importance for travel and daily life. Learning to make conversions helps when planning trips to places like Europe or Canada. Discussions include how metric units are used in various products and events, such as marathons. The lesson teaches conversion rules, including the King Henry mnemonic, and provides practice problems to reinforce understanding. By mastering these concepts, students prepare for real-world applications and international experiences.
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Metric System 2.5 “I can make conversions within the same measurement system while performing computations.”
Why is this important for you to know? • Does anyone ever plan on leaving the United States and traveling to Europe or Canada (Niagara Falls)? • How would driving in Canada be different? • Can anyone think of times in the United States when we use the metric system? • Or any items that we purchase that involve the metric system. • Does anyone know how far a marathon is?
Vocabulary • Convert - to _______ into another form. Example: Man to Spider Man Meter - __________ Liter - ____________ Gram - ___________
Big Stuff / Small Stuff Kilo Meter Liter Gram deci milli
Big Stuff / Small Stuff Kilo Hecto Meter Liter Gram deci milli
Big Stuff / Small Stuff Kilo Hecto Deca Meter Liter Gram deci milli
Big Stuff / Small Stuff Kilo Hecto Deca Meter Liter Gram deci centi milli
Rules • When converting to a larger unit, move the _________ point to the ______. • When converting to a small unit, move the decimal point to the ________.
Conversion King Henry Died Monday Drinking Choc. Milk 10 mm = _____ cm 1 cm
King Henry Died Monday Drinking Choc. Milk • Convert 100 m = _____ dm 1000. dm
Practice • 12.5 m = __________ hm (hectometers) • 12.5 • .45 dkm = _________ cm (centimeter) • .45
K H D m D C M • Lisa and Phil ran 3 kilometers on Saturday. How many decameters did they run? • A. 300 dkm • B. 30 dkm • C. .030 dkm • D. 3000 dkm
Question? • Chris measures a tree that is 113.4 meters tall. How tall is the tree in hectometers? • K H D m D C M • A. .1134 hm • B. 11.34 hm • C. 1.134 hm
Question? • Kyle has one bench that is 118 decimeters long and another bench that is 10 meters long. How long would the benches be in meters if they were put together? • A. 21.8 m • B. 128 m • C. 10 m • D. 11.8 m
Closing • What did we learn today? List: