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This module is from Fundamentals of Mathematics by Denny Burzynski and Wade Ellis, Jr. This module is a proficiency exam to the chapter Addition and Subtraction of Whole Numbers. Each problem is accompanied with a reference link pointing back to the module that discusses the type of problem demonstrated in the question. The problems in this exam are accompanied by solutions.

Proficiency exam

( [link] ) What is the largest digit?

9

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( [link] ) In the Hindu-Arabic number system, each period has three values as­signed to it. These values are the same for each period. From right to left, what are they?

ones, tens, hundreds

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( [link] ) In the number 42,826, how many hundreds are there?

8

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( [link] ) Is there a largest whole number? If so, what is it?

no

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( [link] ) Graph the following whole numbers on the number line: 2, 3, 5.
A number line from 0 to 8.

A number line from 0 to 8 with a dot on the marks for 2, 3, and 5.

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( [link] ) Write the number 63,425 as you would read it aloud.

Sixty-three thousand, four hundred twenty-five

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( [link] ) Write the number eighteen million, three hundred fifty-nine thousand, seventy-two.

18,359,072

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( [link] ) Round 427 to the nearest hundred.

400

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( [link] ) Round 18,995 to the nearest ten.

19,000

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( [link] ) Round to the most reasonable digit: During a semester, a mathematics instructor uses 487 pieces of chalk.

500

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For problems 11-17, find the sums and differences.

( [link] ) 3106 + 921 size 12{"3106"+"921"} {}

4,027

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( [link] ) 5,189 6,189 4,122 + 8,001 ̲

23,501

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( [link] ) 21 + 16 + 42 + 11 size 12{"21"+"16"+"42"+"11"} {}

90

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( [link] ) 520 216 size 12{"520" - "216"} {}

304

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( [link] ) 80,001 -   9,878 ̲

70,123

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( [link] ) Subtract 425 from 816.

391

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( [link] ) Subtract 712 from the sum of 507 and 387.

182

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( [link] ) Is the sum of 219 and 412 the same as the sum of 412 and 219? If so, what makes it so?

Yes, commutative property of addition

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Questions & Answers

what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Tanis Reply

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Source:  OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4
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