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Whimbey, Arthur; And Others – 1990
Learning the techniques of critical thinking and problem solving can be easy for children when presented problems involving fun topics. Problem sets which range from easy to hard written by elementary school students and educational consultants are included. Topics include addition, subtraction, multiplication, division, and fractions. Each topic…
Descriptors: Addition, Computation, Creative Thinking, Division

Parker, Janet; Widmer, Connie Carroll – Arithmetic Teacher, 1992
Describes the method to solve problems called T-E-M-T-T: trial, error, and modified trial through technology. The method integrates students' skills of estimation, mental computation, and appropriate choice of calculator use. Includes 2 activities for each of grades K-4 and 5-8 that illustrate the method. (MDH)
Descriptors: Calculators, Computation, Computer Assisted Instruction, Elementary Education

Markovits, Zvia; Sowder, Judith – Journal for Research in Mathematics Education, 1994
Examined the effects of intervention in the instruction of 12 male seventh-grade students for the purpose of developing number sense. Results indicate that after instruction students were more likely to use strategies to solve number magnitude, mental computation, and computational estimation problems that reflected number sense. (Contains 50…
Descriptors: Cognitive Development, Cognitive Style, Computation, Estimation (Mathematics)