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Smith, Robert – Mathematics in School, 1989
Explores mathematical methods children use to find answers for themselves. Describes some methods used for multiplication and subtraction problems. (YP)
Descriptors: Arithmetic, Cognitive Processes, Elementary Education, Elementary School Mathematics
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Dunkels, Andrejs – Mathematics in School, 1991
Number sequences are useful complements to traditional drill and practice. Described is an activity in which the basic rule, add the tens digit to five times the ones digit, is used to generate a sequence of numbers. The dialogue between teacher and student discussing characteristics of emerging patterns is given. (MDH)
Descriptors: Discovery Learning, Elementary Education, Enrichment Activities, Mathematical Enrichment
Peer reviewed Peer reviewed
Brown, Ian C. – Mathematics in School, 1991
Described is an activity that categorizes a two-digit number as "sneaky" if the continued process of taking the difference of the squares of its digits leads to a difference of zero. Other categorizations are determined by whether the difference process ends in a one-digit number or continues in a loop of numbers. (MDH)
Descriptors: Discovery Learning, Elementary Secondary Education, Enrichment Activities, Inquiry