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Reys, Robert E., Ed.3
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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
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
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