Elementary schools by and large do manage to teach the basic algorithms for multiplication and division,

**addition**and subtraction, as well as methods for handling fractions, decimals, and percentages.## WORD LISTS## Arithmetic, List 1December 1, 2022
Review these terms and concepts related to basic arithmetic that may be tested on the Quantitative Reasoning section of the GRE test.
addition
Elementary schools by and large do manage to teach the basic algorithms for multiplication and division,
addition and subtraction, as well as methods for handling fractions, decimals, and percentages.
arithmetic
Without a positional notation system,
arithmetic is tedious and hard, as schoolchildren learn when teachers force them to multiply or subtract with Roman numerals.
calculate
When you try to
calculate the slope of a tangent line, zero wrecks your approximation process.
decrease
The job market remained strong despite the slowdown, as the Labor Department counted just 180,000 new unemployment claims, reflecting a
decrease of 5,000 over the previous week’s revised level.
distance
On a cosmic scale, the sun and the Voyager spacecraft are essentially the same
distance from our nearest stellar neighbor.
division
A couple of brief multiplications, a simple
division, and, bingo, you know your gravitational position wherever you go.
equal
The euro is nearly
equal to the dollar.
gallon
Recirculating tanks require huge amounts of energy to move and filter millions of
gallons of water daily, and that water still holds waste that can pollute nearby rivers and estuaries.
height
Since the beginning of the eruption, the new underwater volcano has grown to a
height of around 820 meter in a place where there was hardly any elevation before.
increase
The Northeast has seen an
increase of more than 50% in the heaviest precipitation events in recent decades, the largest
increase of any region of the U.S.
length
In quantum mechanics, the shortest conceivable
length in nature is 10⁻³³ centimeters, the so-called Planck
length.
mass
The smaller stars with lower
masses live much longer, so we find them at every age, and they tend to be cooler and redder.
measurement
Measuring a property of one particle — its direction of spin, say — would instantaneously affect the
measurement of its mate.
meter
One obvious example of massive growth is the blue whale, which can reach colossal lengths of up to 30
meters at maturity.
multiplication
In World War II, an extraordinary calculating machine commissioned by the U.S. military, the Electronic Numerical Integrator and Computer, could, each second, perform around 350
multiplications or 5,000 simple additions.
negative
By about 2030, if the trend persists, Earth time will overtake atomic time by about a second — so metrologists will have to insert a
negative leap second to keep the two time scales in sync.
positive
In a sense these infinitesimals were infinitely small, smaller than any
positive number you could name, yet still somehow greater than zero.
shape
Having no fixed
shape and no set boundary, an infinity puzzle can be assembled and reassembled in numerous ways, seemingly ad infinitum.
subtraction
New research suggests these busybodies of the insect world are capable of addition and
subtraction—using colors in the place of plus and minus symbols.
width
Later observations revealed that the brown dwarf is about the same
width as Jupiter, with a diameter of nearly 129,000 kilometers, but much denser, with 70 times as much mass. |
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