Name :
Score :
A) Check for equivalency.
Are 10 : 40 and 1 : 4 equivalent?
1)
Yes
No
Are 3 : 7 and 9 : 24 equivalent?
2)
Yes
No
Are 12 : 9 and 3 : 4 equivalent?
3)
Yes
No
Are 25 : 15 and 5 : 3 equivalent?
4)
Yes
No
B) Find the unknown value in each problem.
9 : x = 18 : 8
8 : 9 = 16 : m
45 : 15 = v : 3
1)
2)
3)
x
=
m
=
v
=
9 : 3 = 3 : r
a : 30 = 4 : 5
z : 24 = 7 : 4
4)
5)
6)
r
=
a
=
z
=
C)
A cage has Canaries and Parakeets in the ratio 4:7. Another cage has Cockatiels
and Lorikeets in the ratio 5:8. Are the ratios of birds in the two cages equivalent?
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