Decimals Worksheet - Unit 3 Page 36
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38Your work should show
How many megawatt hours of electricity
1.
how you calculated and
does the Calgary C-Train use in one day?
checked each solution
correct mathematical language
It takes about 2.34 kilowatt hours of electricity
2.
an interesting story problem
to do one load of laundry.
involving decimals
A large family does one load of laundry each day.
clear explanations of your
About how many kilowatt hours of electricity
a)
solutions and strategies
does the family use on laundry in one week?
Suppose this electricity was wind generated.
b)
How much would it cost to generate the electricity
for the weekly laundry? Explain your answer.
A wind farm in Saskatchewan has
3.
9 identical turbines. Together they generate
18.9 gigawatt hours of electricity in 1 year.
How much electricity does 1 turbine generate?
4.
Use some of the data on pages 87 and 120.
Write a problem about wind energy.
Solve your problem. Show your work.
What did you find easy about working with decimals?
What was difficult for you?
Give examples to illustrate your answers.
121
Unit 3
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