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Ideas.
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Ockenga, Earl; Duea, Joan – Arithmetic Teacher, 1979
These worksheets represent gameboards designed to provide practice in estimation using a calculator. Worksheets are presented for estimation in addition, sums and differences, products, and quotients. (MP)
Descriptors: Calculators, Computation, Elementary Education, Elementary School Mathematics
Ideas
Peer reviewed Peer reviewed
Ockenga, Earl; Duea, Joan – Arithmetic Teacher, 1978
Activities for providing practice in estimating sums and products using calculators are presented. Worksheets are included. (MN)
Descriptors: Addition, Calculators, Decimal Fractions, Elementary Secondary Education
Problem Solving: Tips for Teachers.
Peer reviewed Peer reviewed
Duea, Joan; Ockenga, Earl – Arithmetic Teacher, 1987
Several problems that can be used with calculators are provided. Teaching tips and references are included. (MNS)
Descriptors: Calculators, Elementary Education, Elementary School Mathematics, Learning Activities
Classroom Problem Solving with Calculators.
Peer reviewed Peer reviewed
Duea, Joan; Ockenga, Earl – Arithmetic Teacher, 1982
Calculators are seen to shift the student focus in problem-solving situations from "how to do it" to "what to do," by keeping computation from standing in the way when pupils write or solve problems. (MP)
Descriptors: Calculators, Discovery Learning, Elementary Secondary Education, Learning Activities
Activities: Estimate and Calculate.
Peer reviewed Peer reviewed
Ockenga, Earl; Duea, Joan – Mathematics Teacher, 1985
Three worksheets are given that use calculators to free students from computational restrictions and allow them to focus on the recognition of patterns and the application of numeration concepts in the development of their estimation skills. (MNS)
Descriptors: Calculators, Computation, Estimation (Mathematics), Instructional Materials