Decimals Worksheet - Unit 3 Page 12
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38Use Base Ten Blocks to multiply.
1.
2.3
1.8
1.23
2.42
a)
b)
c)
d)
2
4
5
3
The decimal point is missing in each product.
2.
Use front-end estimation to place each decimal point.
7.1
5
355
3.12
6
1872
a)
b)
15.466
3
46398
1.408
5
7040
c)
d)
2.005
8
1604
8.25
4
330
e)
f)
Use benchmarks to estimate each product.
3.
2.4
6
4.38
4
1.499
6
a)
b)
c)
6.721
2
3.983
3
7.3225
5
d)
e)
f)
Multiply.
4.
a)
8.2
4
b)
1.02
6
c)
5.9
2
6.112
3
3.525
7
5.354
6
d)
e)
f)
Estimate to choose the correct product for each multiplication question.
5.
Question
Possible Products
a)
2.85
3
855
85.5
8.55
b)
12.36
4
494.4
49.44
4.944
c)
148.73
5
7.4365
74.365
743.65
Elisa works in a hospital lab in Brandon, Manitoba.
6.
In 1 h, she tested 7 tubes of blood.
Each tube contained 12.25 mL of blood.
How much blood did Elisa test?
How did you find out?
Naja saved $14.75 each week for 8 weeks.
7 .
She had just enough money to buy a family membership
to the Vancouver Aquarium. About how much was
the cost of the membership?
Tianna has saved $9.75 each week for 7 weeks.
8.
She wants to buy a snowboard that costs $80.45, including tax.
Does Tianna have enough money? How do you know?
a)
If your answer to part a is no, how much more money does Tianna need?
b)
97
Unit 3 Lesson 3
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