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Factor Label Method of Problem Solving

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Make sure that you… Always label!!! Begin with the unit you want to find Cancel out the labels The label that you want to find will be the only one that does not cancel out

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Examples How many seconds are there in August? Conversion Factors: 60 sec = 1min60 min = 1hour 24 hours = 1day31 days = August ?sec = 31 days 1 day 24 hours 1 hour 60 min60 sec 1 min = 2,678,400 sec 1

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Longest Female Beard Vivian Wheeler of Wood River, Illinois, USA The longest strand was measured at 27.9 cm in 2000 How many km is this? Interesting Facts for Sample Problems ? km = 27.9 cm 1 m 100 cm = 2.79 X km 1km 1000 m

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The heaviest person in medical history was Jon Brower Minnoch (USA, 1941–83). He was 61 tall and weighed 442 kg in September How many pounds did he weigh? (HINT : use pg in the back of your planner for conversion factors) Heaviest Man ? lb = 442 kg lbs 1 kg = lbs

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Largest Spider The world's largest known spider is a male goliath bird- eating spider It had a record leg-span of 28 cm. How many mm is this? ? mm = 28 cm 11 cm 10 mm = 280 mm

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Competitive Eating –Takeru Kobayashi swept over his competition at the Nathan's Famous hot dog eating competition, gulping down 53.5 hot dogs in 12 minutes, How many kg of hot dog did Takeru eat in 12 min? (HINT: 1 hotdog weights about 0.11 lb) The 5-foot-7, 132-pound Kobayashi, of Nagano, Japan,. He ate an average of one every 13 seconds "I think he has proven, once again, that he is one of the finest athletes of any sport in the world," said Richard Shea, a spokesman for the contest. ? kg= 53.5 hotdogs0.11 lb 1 hotdogs = 2.7 kg 1 kg 2.2 lb

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