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Peer reviewed

Reys, Robert E., Ed.; Reys, Barbara J., Ed. – Arithmetic Teacher, 1987

The focus is on suggestions for teaching rounding wisely as an estimation strategy. (MNS)

Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Learning Activities

Peer reviewed

Reys, Robert E., Ed.; Reys, Barbara J., Ed. – Arithmetic Teacher, 1986

Four ways of knowing about numbers are listed, with direct estimation emphasized. Using perceptual anchors is described, with several teaching tips on their use in estimation. (MNS)

Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Mathematics Instruction

Peer reviewed

Reys, Robert E., Ed.; Reys, Barbara J., Ed. – Arithmetic Teacher, 1987

Estimation of measurements is discussed, with a definition, rationale, strategies, teaching suggestions, and several references. (MNS)

Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Mathematics Instruction

Peer reviewed

Schoen, Harold L. – Arithmetic Teacher, 1987

Front-end estimation is discussed, with several examples, teaching tips, testing tips, and some references on research and additional activities. (MNS)

Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Learning Activities

Peer reviewed

Coburn, Terrence C. – Arithmetic Teacher, 1987

Ideas are given on how to teach children to make estimates in measurement. (MNS)

Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Learning Activities

Barner, David; Alvarez, George; Sullivan, Jessica; Brooks, Neon; Srinivasan, Mahesh; Frank, Michael C. – Child Development, 2016

Mental abacus (MA) is a technique of performing fast, accurate arithmetic using a mental image of an abacus; experts exhibit astonishing calculation abilities. Over 3 years, 204 elementary school students (age range at outset: 5-7 years old) participated in a randomized, controlled trial to test whether MA expertise (a) can be acquired in standard…

Descriptors: Mathematics Education, Randomized Controlled Trials, Spatial Ability, Mental Computation

Tataw, Oben Moses – ProQuest LLC, 2013

Interdisciplinary research in computer science requires the development of computational techniques for practical application in different domains. This usually requires careful integration of different areas of technical expertise. This dissertation presents image and time series analysis algorithms, with practical interdisciplinary applications…

Descriptors: Biology, Computation, Imagery, Time

Goos, Merrilyn, Ed.; Brown, Ray, Ed.; Makar, Katie, Ed. – Mathematics Education Research Group of Australasia, 2008

This document presents the proceedings of the 31st Annual Conference of the Mathematics Education Research Group of Australasia (MERGA). The theme of this conference is "Navigating Currents and Charting Directions." The theme reminds us that, although we are constantly pushed to account for the quality and impact of our research, we…

Descriptors: Feedback (Response), Constructivism (Learning), Educational Development, Practicums

Bengtson, Barbara J. – ProQuest LLC, 2013

Understanding the linear relationship of numbers is essential for doing practical and abstract mathematics throughout education and everyday life. There is evidence that number line activities increase learners' number sense, improving the linearity of mental number line representations (Siegler & Ramani, 2009). Mental representations of…

Descriptors: Numbers, Mathematics Education, Numeracy, Cognitive Processes

Berg, Derek H.; Hutchinson, Nancy L. – Learning Disabilities: A Contemporary Journal, 2010

This study investigated whether processing speed, short-term memory, and working memory accounted for the differential mental addition fluency between children typically achieving in arithmetic (TA) and children at-risk for failure in arithmetic (AR). Further, we drew attention to fluency differences in simple (e.g., 5 + 3) and complex (e.g., 16 +…

Descriptors: Mental Computation, Short Term Memory, Cognitive Processes, Arithmetic

Collins, Belva C.; Hager, Karen L.; Galloway, Carey Creech – Education and Training in Autism and Developmental Disabilities, 2011

The purpose of this investigation was to add functional content during core content instruction of language arts, science, and math. The investigation involved three middle school students with moderate disabilities who participated in the state's alternate assessment. During instruction using a constant time delay procedure to teach required…

Descriptors: Language Arts, Moderate Mental Retardation, Alternative Assessment, Core Curriculum

Hameroff, Stuart R. – Cognitive Science, 2007

In their article, "Is the Brain a Quantum Computer,?" Litt, Eliasmith, Kroon, Weinstein, and Thagard (2006) criticize the Penrose-Hameroff "Orch OR" quantum computational model of consciousness, arguing instead for neurocomputation as an explanation for mental phenomena. Here I clarify and defend Orch OR, show how Orch OR and neurocomputation are…

Descriptors: Brain, Cognitive Processes, Diagnostic Tests, Neurological Organization

Salamoura, Angeliki; Williams, John N. – Bilingualism: Language and Cognition, 2007

This paper investigates the shared or independent nature of grammatical gender representations in the bilingual mental lexicon and the role word form similarity (as in the case of cognates) plays in these representations. In a translation task from Greek (L1) to German (L2), nouns that had the same gender in both languages were translated faster…

Descriptors: Nouns, Grammar, Language Processing, German

Suydam, Marilyn N., Ed. – 1983

These two bulletins were developed for the Calculator Information Center. "Motivating Activities for Low (and Higher) Achievers," prepared by Don Miller, presents activities that suggest ways in which a calculator can be used to help reinforce or develop certain mathematical ideas. Included are sections with activities for numeration, mental…

Descriptors: Calculators, Elementary School Mathematics, Elementary Secondary Education, Instructional Materials

Koyunkaya, Melike Yigit – International Journal of Education in Mathematics, Science and Technology, 2018

Students need to construct strong knowledge of angles as well as relationships between angles and side lengths in a triangle to succeed in geometry. Although many researchers pointed out the importance of angles and angle-related concepts, students and teachers have had limited knowledge of these concepts. This study is a part of a larger study,…

Descriptors: Mental Computation, Preservice Teacher Education, Preservice Teachers, Geometric Concepts