Isafjörður
Isafjörður , town (1993 pop. 3,524), NW Iceland, on the Isafjarðardjúp, an arm of the Denmark Strait. It is a fishing port and has refrigeration plants, shrimp and fish-meal factories, shipyards, and machine workshops. It was chartered in 1866.
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Arithmetic Split Effects Reflect Strategy Selection: An Adult Age Comparative Study in Addition Comparison and Verification Tasks
Magazine article from: Canadian Journal of Experimental Psychology; 12/1/2005; ; 700+ words
; Abstract We tested whether split effects in arithmetic (i.e., better performance on large-split...performance of younger and older adults, matched on arithmetic skills, on two arithmetic tasks: the addition/number comparison task...
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Reading, Arithmetic, and Task Orientation-How are they Related?
Magazine article from: Annals of Dyslexia; 12/1/2006; ; 700+ words
; ...used including aspects of reading, arithmetic, and working memory. Teachers rated...sectional correlations between reading, arithmetic, and task orientation were all high...high correlation between reading and arithmetic decreased significantly when task orientation...
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 "Instructor (1990)")
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Can I balance arithmetic instruction with real-life math? (elementary education)
Magazine article from: Instructor (1990); 4/1/1998; ; 700+ words
; Arithmetic is one of the time-honored three R...elementary math curriculum, it's arithmetic that receives the most attention. And...back to basics, deciding how to teach arithmetic has fueled heated discussions in faculty...
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Some assumptions and facts about arithmetic facts
Magazine article from: Psychology Science; 1/1/2005; ; 700+ words
; ...with the following questions: What are arithmetic facts? How are they related to other...the representation of and access to arithmetic facts? Key words: simple calculation, mental arithmetic, fact retrieval Simple arithmetic problems...
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Teaching and learning concrete and theoretical arithmetic through technology.(Report)
Magazine article from: Electronic Journal of Mathematics and Technology; 10/1/2007; ; 700+ words
; ...solution of theoretical and concrete arithmetic problems. In particular, we consider...competencies both in concrete and theoretical arithmetic and we discuss the pedagogical and educational...ancient Greeks of the classical age, Arithmetic was the theory of numbers, namely the...
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Preschoolers doing arithmetic: The concepts are willing but the working memory is weak
Magazine article from: Canadian Journal of Experimental Psychology; 6/1/2000; ; 700+ words
; ...nonverbal forms of two- and three-term arithmetic problems to 4-year-olds to determine...others and (b) whether preschoolers use arithmetic concepts spontaneously when solving...problems. Children's accuracy on simple arithmetic problems (a + b and a - b) was strongly...
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The influence of problem features and individual differences on strategic performance in simple arithmetic
Magazine article from: Memory & Cognition; 4/1/2007; ; 700+ words
; ...problem size and operation) and across individuals (gender, amount of daily arithmetic practice, calculator use, and arithmetic skill) on simple arithmetic performance. Regression analyses were used to investigate the role of these variables...
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Stability of Arithmetic Disability Subtypes.
Magazine article from: Journal of Learning Disabilities; 3/1/1999; ; 700+ words
; ...to 13 representing four subtypes of arithmetic disabilities (AD), using three criteria...Children with pervasive deficits in arithmetic, reading, and spelling displayed the...subtypes, including those with isolated arithmetic deficits, retained their original subtypes...
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Rote memory and arithmetic fact processing
Magazine article from: Memory & Cognition; 12/1/2007; ; 700+ words
; ...which normal young adults perform simple arithmetic fact problems. The first experiment...independent role for sequence memory in all arithmetic fact processing, but a lesser role...sequence memory predicted processing of all arithmetic problems apart from small additions...
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Nonverbal arithmetic in humans: Light from noise
Magazine article from: Perception and Psychophysics; 10/1/2007; ; 700+ words
; ...Cordes, 2006). However, evidence of arithmetic manipulation of these nonverbal magnitude...contributed to the variability in the arithmetic responses, with operand variability...both animal and human subjects can do arithmetic with these nonverbal numerical symbols...
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Arithmetic
Encyclopedia entry from: The Gale Encyclopedia of Science
Arithmetic Arithmetic is a branch of mathematics concerned with the numerical manipulation...multiplication, division, and the extraction of roots. General arithmetic principles slowly developed over time from the principle of counting...
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Peano arithmetic
Book article from: A Dictionary of Computing
Peano arithmetic An axiomatic theory, based on first...order statements about the simple arithmetic operations of successor n +1, addition...statements about natural numbers, and Peano arithmetic is a strong enough theory to express...
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arithmetic
Book article from: The Columbia Encyclopedia, Sixth Edition
arithmetic branch of mathematics commonly considered...laws (see algebra ). The division of arithmetic into the practical and the theoretical...term logistic referred to elementary arithmetic and the term arithmetic was reserved...
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modular arithmetic
Book article from: A Dictionary of Computing
modular arithmetic ( residue arithmetic ) Arithmetic based on the concept of the congruence relation defined on the integers and used in computing to circumvent the problem of performing arithmetic on very large numbers. Let m 1 , m 2 ,…...
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arithmetic mean
Book article from: A Dictionary of Business and Management
arithmetic mean ( arithmetic average ) An average obtained by adding together the individual...concerned and dividing the total by their number. For example, the arithmetic mean of 7, 20, 107, and 350 is 484/4 = 121. This value...
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