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Algebra 1 September 22, 2016
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Warm Up How many seconds there are in one year (365 days)?
Ever wondered… How many seconds there are in one year (365 days)? You can work with a partner, try to come up with the total seconds in one year * Extension: How many seconds old are you?
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Ever wondered… How many seconds there are in one year (365 days)?
Warm Up Ever wondered… How many seconds there are in one year (365 days)? 31,536,000 seconds
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Dimensional Analysis Big Idea: Taking one unit, like a year, and changing it to a different unit, like seconds Change Dollars
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𝑑𝑎𝑦𝑠 𝑦𝑒𝑎𝑟 ℎ𝑜𝑢𝑟𝑠 𝑑𝑎𝑦𝑠 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 ℎ𝑜𝑢𝑟𝑠 𝑠𝑒𝑐𝑜𝑛𝑑𝑠 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 = 𝑠𝑒𝑐𝑜𝑛𝑑𝑠 𝑦𝑒𝑎𝑟
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𝟑𝟏,𝟓𝟑𝟔,𝟎𝟎𝟎 𝒔𝒆𝒄𝒐𝒏𝒅𝒔 𝒚𝒆𝒂𝒓 = 24 ℎ𝑜𝑢𝑟𝑠 𝑑𝑎𝑦 365 𝑑𝑎𝑦𝑠 𝑦𝑒𝑎𝑟 𝑠𝑒𝑐𝑜𝑛𝑑𝑠 𝑦𝑒𝑎𝑟
60 𝑚𝑖𝑛𝑢𝑡𝑒𝑠 ℎ𝑜𝑢𝑟 60 𝑠𝑒𝑐𝑜𝑛𝑑𝑠 𝑚𝑖𝑛𝑢𝑡𝑒 = 𝑠𝑒𝑐𝑜𝑛𝑑𝑠 𝑦𝑒𝑎𝑟 𝟑𝟏,𝟓𝟑𝟔,𝟎𝟎𝟎 𝒔𝒆𝒄𝒐𝒏𝒅𝒔 𝒚𝒆𝒂𝒓
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