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When Does a Subtraction Algorithm Involve Borrowing?
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Kolb, John R. – Mathematics Teacher, 1982
Several subtraction algorithms are analyzed to see if they involve borrowing. The main focus is on an analysis of a procedure called the residue method. The operational arithmetic which underlies the symbolic manipulations is examined and conditions where the method does and does not use borrowing are highlighted. (MP)
Descriptors: Algorithms, Arithmetic, Computation, Elementary Education
CSMP Mathematics for the Upper Primary Grades, Part III, Student Materials: Worksheets; Which Road?; Festival of Problems 1, 2; Fishing for Numbers, Part III; Road Map; 20?; Rollerskating 37.
CEMREL, Inc., St. Ann, MO. – 1979
These are some of the individual materials needed by students using the Comprehensive School Mathematics Program's Mathematics for the Upper Primary Grades, Part III. The book of "Worksheets" contains materials that are labeled with the same letter and number as the lessons with which they are to be used. The booklets "Festival of…
Descriptors: Addition, Algorithms, Drills (Practice), Elementary Education
CSMP Mathematics for the Upper Primary Grades, Part IV, Student Materials: Worksheets; Galaxy of Problems 1, 2, 3, 4; Fishing for Numbers, Part IV; To Picture; Subtraction Problems.
CEMREL, Inc., St. Ann, MO. – 1979
These are some of the individual materials needed by students using the Comprehensive School Mathematics Program for the Upper Primary Grades, Part IV. The book of "Worksheets" contains materials that are labeled with the same letter and number as the lessons with which they are to be used. The four "Galaxy of Problems"…
Descriptors: Addition, Algorithms, Drills (Practice), Elementary Education