Decimals Worksheet - Unit 3 Page 37
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38Unit
1.
The pattern rule that relates the input to the output is:
1
Input
Output
Add 2 to the input. Then divide by 5.
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1
Find the missing numbers in the table at the right.
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3
How can you check your answers?
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?
2.
The table, below right, shows the input and output for
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a machine with two operations.
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a)
Identify the numbers and operations in the machine.
b)
Write a pattern rule that relates the input to the output.
c)
Graph the data in the table.
Input
Output
Describe the relationship shown on the graph.
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d)
Write an expression to represent the pattern.
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e)
Find the output when the input is 14.
Which strategy did you use?
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3. a)
Make an Input/Output table for this graph.
b)
How does the graph represent the pattern?
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Input
4.
Which of the scales are balanced? How do you know?
a)
Left pan: 4
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Right pan: 60
12
b)
Left pan: 27
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Right pan: 8
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c)
Left pan: 37
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Right pan: 42 ÷ 3
5.
In 2007, about 304 000 people visited the Telus
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World of Science in Calgary. About 54 500 of these
visitors were students. In 2006, the total number of
visitors was 263 000.
a)
By how much did the attendance increase
from 2006 to 2007?
b)
How many of the visitors in 2007 were not students?
c)
What was the total attendance over the 2 years?
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