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Estimation and Mental Computation.
Peer reviewed Peer reviewed
Reys, Robert E., Ed.; Reys, Barbara J., Ed. – Arithmetic Teacher, 1986
Use of an ancient method of mental calculation with aliquot parts is illustrated. Other tips for helping children reason are also included. (MNS)
Descriptors: Elementary Education, Elementary School Mathematics, Mathematics Instruction, Mental Computation
Estimation and Mental Computation
Peer reviewed 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
Estimation and Mental Computation: It's "About" Time.
Peer reviewed Peer reviewed
Reys, Barbara J. – Arithmetic Teacher, 1986
What mental computation and estimation are, what is known from research about each process, and what can help students develop these skills are discussed. (MNS)
Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Mathematics Instruction
Estimation and Mental Computation.
Peer reviewed Peer reviewed
Reys, Robert E., Ed.; Reys, Barbara J., Ed. – Arithmetic Teacher, 1986
Using factoring as an aid to mental multiplication is illustrated. Other suggestions for teaching mental computation are also included. (MNS)
Descriptors: Computation, Elementary Education, Elementary School Mathematics, Mathematics Instruction
Estimation and Mental Computation.
Peer reviewed 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
Estimation and Mental Computation.
Peer reviewed 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
Estimation and Mental Computation.
Peer reviewed 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
Computer Corner.
Peer reviewed Peer reviewed
Hampel, Paul J. – Arithmetic Teacher, 1984
A program is given which offers students a chance to practice mental computation and judge the effects of various rules for formating output. (MNS)
Descriptors: Computer Oriented Programs, Computer Software, Elementary Secondary Education, Mathematics Education
Estimation and Mental Computation.
Peer reviewed 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
One Point of View: Mental Computation and Computational Estimation--Their Time Has Come.
Peer reviewed Peer reviewed
Reys, Barbara J.; Reys, Robert E. – Arithmetic Teacher, 1986
After summing up the current status related to estimation and mental computation, what needs to be done to promote increased instruction on these topics is discussed. (MNS)
Descriptors: Editorials, Educational Change, Elementary Education, Elementary School Mathematics
Mental Computation and Number Sense.
Peer reviewed Peer reviewed
Sowder, Judith T. – Arithmetic Teacher, 1990
Discusses mental computation and how and when it should be taught. Describes seven properties of mental algorithms. (YP)
Descriptors: Arithmetic, Computation, Elementary Education, Elementary School Mathematics
Estimation and Mental Computation.
Peer reviewed Peer reviewed
Reys, Robert E., Ed.; Reys, Barbara J., Ed. – Arithmetic Teacher, 1986
Activities on estimation and mental computation are presented. Patterns on a hundred chart, an amazing fact, teaching and testing tips, and other references are included. (MNS)
Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Learning Activities
Estimation and Mental Computation.
Peer reviewed Peer reviewed
Reys, Robert E., Ed.; Reys, Barbara J., Ed. – Arithmetic Teacher, 1987
Use of compatible numbers resulting in easy mental computations is described, along with related teaching and testing tips. (MNS)
Descriptors: Elementary Education, Elementary School Mathematics, Estimation (Mathematics), Learning Activities
Testing Mental-Computation Skills.
Peer reviewed Peer reviewed
Reys, Robert E. – Arithmetic Teacher, 1985
This article calls attention to testing as an integral part of teaching mental computation. It begins with an overview of students' performance and is followed by some specific suggestions for testing mental computation skills in the classroom. (Author)
Descriptors: Computation, Elementary Education, Elementary School Mathematics, Mathematics Education
Ideas.
Peer reviewed Peer reviewed
Payne, Joseph N., Ed. – Arithmetic Teacher, 1987
Four worksheets and teaching suggestions are presented, with the focus on mental computation for levels 2-3; factors, levels 3-4; and nonroutine problems, levels 5-6 and 7-8. (MNS)
Descriptors: Elementary School Mathematics, Elementary Secondary Education, Instructional Materials, Learning Activities
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