general mathematics pathway 2 hsc course...•another variation to simpson’s rule is to find the...
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General Mathematics Pathway 2 HSC Course:
Simpson’s Rule
Introduction Simpson’s Rule
• What is Simpson’s Rule?
• Exploring the Elements of Simpson’s Rule and it’s Variations
• Simpson’s Rule Examples
• Using Simpson’s Rule to Estimate Volumes
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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What is Simpson’s Rule?
Source: http://www.hngn.com/articles/74316/20150304/homer-simpson-brilliant-mind-
cartoon-dad-figured-out-mass-higgs.htm
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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THEORY
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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What is Simpson’s Rule? * We use Simpson’s Rule to find an approximation for the area of a
shape that has one or more edges which are not straight.
* We can find Simpson’s Rule on your General Mathematics
Formulae Sheet:
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Exploring the Elements of
Simpson’s Rule and its Variations
25 m
42 m 31 m
30 m 30 m
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Exploring the Elements of
Simpson’s Rule and its Variations
• h refers to the “width of each strip”. These widths are always the
same size.
• d refers to the distance of the first offset, middle offset and the
last offset
• Notice that there are three offsets. This means that there are two
strips. So if we need to find an area containing four strips we need
to do Simpson’s Rule twice.
• Another variation to Simpson’s Rule is to find the volume of
water in a dam after finding the area of the surface of the dam.
This becomes a volume of a prism question.
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Fact Check
Below is an irregular shaped piece of land. If we use Simpson’s Rule to
estimate the area of the land, h = 30 m. Is this True or False?
25 m
42 m 31 m
30 m 30 m
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
We do our best to make these slides comprehensive and up-to-date, however there may be errors. We'd appreciate it if you pointed these out to us!
Fact Check
Below is an irregular shaped piece of land. If we use Simpson’s Rule to
estimate the area of the land, h = 30 m. Is this True or False?
25 m
42 m 31 m
30 m 30 m
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
We do our best to make these slides comprehensive and up-to-date, however there may be errors. We'd appreciate it if you pointed these out to us!
WORKED EXAMPLES
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Simpson’s Rule Worked Examples
Find an approximation for the area of this piece of land depicted below:
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Simpson’s Rule Worked Examples
2003 HSC Question 23c
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Using Simpson’s Rule to Estimate
Volumes
Simpson’s Rule also has a volume variation:
The main difference is that we will be using the area of cross sections
rather than distances of offsets.
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Simpson’s Rule Worked Examples
2014 HSC Specimen Paper Q9
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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QUESTIONS FOR
STUDENTS
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Simpson’s Rule Question
2011 HSC Q13
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Simpson’s Rule Question
2009 HSC Q25c
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Simpson’s Rule Question
2009 HSC Q25c
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Simpson’s Rule - Challenge
Question
2008 HSC Q28b
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Simpson’s Rule - Challenge
Question
2008 HSC Q28b
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Simpson’s Rule Question
a) 39 km3
b) 73 km3
c) 146 km3
d) 293 km3
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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Source: https://crystalhislop.wordpress.com/
HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
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HSC General Mathematics 2 © Adrian Kruse & Edrolo 2015
We do our best to make these slides comprehensive and up-to-date, however there may be errors. We'd appreciate it if you pointed these out to us!