Decimals Worksheet - Unit 3 Page 38
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38Unit
6.
Find all the common multiples of 3 and 4 between 10 and 100.
7 .
Find all the factors of each number. Record the factors as a “rainbow.”
Which factors are prime numbers?
a)
49
b)
32
c)
66
d)
96
8.
Evaluate each expression. Explain why the answers are different.
a)
15
6
3
b)
(15
6)
3
9.
Use a number line. Order these integers from least to greatest.
5, 6, 8, 2, 0, 5, 1
10.
Write the number in each fact in as many different forms as you can.
3
a)
The Asian watermeal is the world’s smallest flowering plant.
It has a mass of about 0.000 15 g.
b)
The typical length of a human liver cell is about 0.000 05 m.
11.
Jenny paid $19.25 for 7 admission tickets to the Assiniboine Park Zoo
in Manitoba. Estimate the cost of 1 admission ticket.
How did you find out?
12.
Multiply.
a)
3.7
9
b)
4.03
5
6.841
6
0.004
9
c)
d)
e)
0.0013
3
f)
0.093
7
In the 2006 Turin Olympics, Cindy Klassen
13.
of Winnipeg, Manitoba won a silver medal
in the women’s 1000-m speed skating event.
She skated 9 laps in 76.09 s. About how long
did it take Cindy to skate 1 lap?
14.
Divide.
a)
3.192
7
b)
11.59
5
c)
36.752
8
d)
0.049
7
e)
0.0096
8
f)
0.0567
9
123
Cumulative Review Units 1–3
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