Unit Conversions Jeopardy! Rules – Everyone not at the board needs to work the problems out on their own – You must show your work and include units – Team members may help, but you only get half points – You may use your reference sheet, for half points – Until all questions are gone, you cannot pick 400 or 500 point questions
Comparing Units Conversion Factors Unit Conversions %ages % Change Tax, Markup, Discount
Comparing Units – Which is larger: kg or lb? kg
Comparing Units – Which is smaller: cm or in? in
Comparing Units – Which is larger: gal or L? gal
Comparing Units – Which is larger: km or mi? mi
Comparing Units – Which is smaller: ft or m? m
Conversion Factors – Write the conversion between lb and kg. 2.2 lb = 1 kg
Conversion Factors – Write the conversion between in and cm. 1 in = 2.54 cm
Conversion Factors – Write the conversion between gal and L. 1 gal = 3.78 L
Conversion Factors – What is the conversion between mg and g? 1000 mg = 1 g
Conversion Factors – What is the conversion between mi and km? 0.6 mi = 1 km
Unit Conversions – How many kg in 18 lbs? 39.6 lb
Unit Conversions – How many liters in 8 gallons? 30.2 L
Unit Conversions – You drive in a 35 mile per hour zone at 49 kilometers per hour. Are you speeding? No. Youre going about 29.4 mi/hr, because 49 km converts to 29.4 mi.
Unit Conversions – How many feet in 800 cm? 26.2 ft
Unit Conversions – You start a trip with your odometer at miles. You finish it at miles. If you then fill up your tank with gallons of gas, what was your gas mileage (in miles per gallon) on the trip? By subtracting, you find that you drove miles on this trip. Then since you want miles per gallon, you need to divide miles by gallons (this is what per means). Answer: 21.9 mi/gal.
%ages – What is 8% of 97? 7.76 = 7.8
%ages – What is 116% of 45? 52.2
%ages – What percent of 22 is 6? 27.3%
%ages – What percent of 85 is 89? 104.7%
%ages – If your class has 24 people, but 5 are absent, what is the attendance rate (as a percentage)? 79.2%
% Change– A stocks share goes from $24 to $ What was the percent change of the stocks value? 8.5%
% Change – A deer population one year is 25; the next year it is 34. What was the percent change of this particular deer population? 36%
% Change – Your account has $ in it on Sunday. By Friday, it only has $ What was the percent change? -44.1%
% Change – The United States goes from 300 million people to 340 million people. What is the percent change in population? (Hint: since both are in millions, ignore the millions and just work with the 300 and 340.) 13.3%
% Change – You estimate that a stack of cards has 28 cards in it. Someone counts these and finds there were actually 31. What was the percent error of your estimation? (Hint: Compare the error with how many there actually were.) -9.7%
Tax, Markup, Discount – How much will you pay if you put a 18% tip onto a $65.23 restaurant bill? (The answer is not too much!) $76.97
Tax, Markup, Discount – How much will you pay for a refrigerator that was sold to the retailer for $450, but has a markup of 26%? $567
Tax, Markup, Discount – How much will you pay before tax for a $130 TV if you are offered a 4% discount for a July 4 th sale? $124.80
Tax, Markup, Discount – You get a discount of $8 on a $30 purchase if you just take the Kohls credit card. But you also have a 20% off coupon. Which will have you pay the least for this purchase? Youll save $8 with the credit card, but youll only save $6 with the coupon. On the other hand, its still a little dangerous to have too many credit cards…Id use the coupon
Tax, Markup, Discount – You want to buy a salt block for $ You have a 10% off coupon, but you know there will be a 6% sales tax added on after that. You only have $28. Do you have enough? No. Youll be charged $28.14, so youre 14 cents short.