Ratios And Rates Worksheet - Chapter 3 Page 10
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38Show that the ratio of the number of blue sections to the total
5.
number of sections is the same for all three diagrams.
A
B
C
Determine the missing term in each proportion.
6.
■
■
a)
27 : 45
: 5
c)
: 9
2 : 3
2
3
1
6
1
2
b)
d)
■
■
6
1
5
7.
Write each comparison as a ratio. Remember, the units should
be the same so the comparison is meaningful.
400 g to 1 kg
6 cm to 7 mm
200 s to 3 min
a)
b)
c)
3
Draw one picture to show the ratios 3 :1 and
at the same
8. a)
4
Reading Strategy
time.
Activating Prior
Explain how each ratio is in the picture.
b)
Knowledge
Change your picture to show two equivalent ratios to the
c)
What do you know
ones in part a).
about fractions? How
can what you know
9.
Katherine spends 7 h each day in school, including 30 min for
about fractions help
lunch.
you with ratios?
Write a ratio to compare the time for lunch with the total
a)
time in school each day.
Write a ratio to compare the total time for lunch for a
b)
school week with the total school time for a school week.
c)
Calculate the number of hours of lunch time in 30 school
days.
Suppose you add the same amount to both terms of a ratio.
10.
Which of the following is true? Explain.
You never get an equivalent ratio.
A.
You usually do not get an equivalent ratio.
B.
You usually get an equivalent ratio.
C.
111
Ratios and Rates
NEL
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