Ratios And Rates Worksheet - Chapter 3 Page 36
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38Chapter Task
Chapter 3
YOU WILL NEED
“If the world …”
•
a ruler
Suppose you were writing a book in which each two-page spread
•
a calculator
began, “If the whole school (or town or city) were just like our
classroom, then …”
What would your pages say?
Task Checklist
✔
Did you use a variety of
A.
Select three items from the following list that apply to your
strategies to make your
classmates.
predictions?
the ratio of right-handed students to the total number of
•
✔
Did you explain how
students
you performed your
the ratio of boys to the total number of students
•
calculations?
the ratio of students who climb stairs to get to their
•
✔
bedroom to those who do not
Did you explain why you
did each calculation?
the total number of minutes of TV that your classmates
•
watched last night
✔
Did you check that your
the approximate number of litres of water that your
predictions make sense?
•
classmates drank yesterday
✔
Did you make your
results easy to
Find out how many students are in your school and how many
B.
understand?
people live in your community.
Use the information from parts A and B to create equivalent
C.
ratios for your three choices from part A for your whole
school and your community.
D.
Come up with two of your own ideas for ratios and rates that
apply in your class and figure out how to use them to find out
about your whole school or community.
Suppose your page said, “If the world were a village of 1000
E.
people, there would be….” What would your page say for
your five ratio choices?
137
Ratios and Rates
NEL
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