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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
Predicting the Tens Digit of the Square of a Number.
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Olson, Melfried; Olson, Judith – School Science and Mathematics, 1988
Describes a pattern which emerged from an examination of the digits of the squares of numbers. Provides eight examples having the pattern at the units or tens digit of the number. (YP)
Descriptors: Algorithms, Arithmetic, Elementary Education, Elementary School Mathematics
Fun and Arithmetic Practice with Days and Dates.
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Richbart, Lynn A. – Arithmetic Teacher, 1985
Two worksheets are given, outlining algorithms to help students determine the day of the week an event will occur and to find the date for Easter. The activity provides computational practice. A computer program for determining Easter is also included. (MNS)
Descriptors: Algorithms, Computation, Computer Software, Drills (Practice)
Making Averaging Easier.
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Smith, Michael S. – Arithmetic Teacher, 1981
Three alternative methods of finding averages of two numbers are presented. (MP)
Descriptors: Algorithms, Arithmetic, Basic Skills, Computation
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
CSMP Mathematics for the Intermediate Grades, Part VI, Student Materials: Worksheets; Collage of Problems 1, 2, 3, 4, 5, 6.
CEMREL, Inc., St. Ann, MO. – 1979
These are some of the individual materials needed by students using the Comprehensive School Mathematics Program for the Intermediate Grades, Part VI. 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 six "Collage of Problems" booklets…
Descriptors: Algorithms, Decimal Fractions, Drills (Practice), Elementary Education
The Arithmetic Project Course for Teachers - 14. Topic: Two Points to Two Points on a Number Line. Supplement: Graphing Number Line Jumping Rules, Part Two.
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Education Development Center, Inc., Newton, MA. – 1973
This is one of a series of 20 booklets designed for participants in an in-service course for teachers of elementary mathematics. The course, developed by the University of Illinois Arithmetic Project, is designed to be conducted by local school personnel. In addition to these booklets, a course package includes films showing mathematics being…
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Elementary School Teachers
Maths Resource.
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Mathematics in School, 1990
Described are four classroom activities that may be interspersed into a curriculum or offered as homework. Systematic procedures, alternative strategies, and trial and error are emphasized in these counting exercises. (KR)
Descriptors: Algorithms, Computation, Elementary School Mathematics, Elementary Secondary Education
The Arithmetic Project Course for Teachers - 1. Topic: Introduction to Frames and Number Line Jumping Rules. Supplement: Answers to Common Questions About the Course.
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Education Development Center, Inc., Newton, MA. – 1973
This is one of a series of 20 booklets designed for participants in an in-service course for teachers of elementary mathematics. The course, developed by the University of Illinois Arithmetic Project, is designed to be conducted by local school personnel. In addition to these booklets, a course package includes films showing mathematics being…
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Elementary School Teachers
The Arithmetic Project Course for Teachers - 3. Topics: Parentheses and "Multiplying Before You Add," Standstill Points. Supplement: Answers to Common Questions About the Film "Standstill Points."
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Education Development Center, Inc., Newton, MA. – 1973
This is one of a series of 20 booklets designed for participants in an in-service course for teachers of elementary mathematics. The course, developed by the University of Illinois Arithmetic Project, is designed to be conducted by local school personnel. In addition to these booklets, a course package includes films showing mathematics being…
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Elementary School Teachers
The Arithmetic Project Course for Teachers - 6. Topics: Frame Equations, Midpoints, Some Wrong Answers, Absolute Value. Supplement: Ways tc Find How Many.
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Education Development Center, Inc., Newton, MA. – 1973
This is one of a series of 20 booklets designed for participants in an in-service course for teachers of elementary mathematics. The course, developed by the University of Illinois Arithmetic Project, is designed to be conducted by local school personnel. In addition to these booklets, a course package includes films showing mathematics being…
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Elementary School Teachers
The Arithmetic Project Course for Teachers - 12. Topic: More Work With Artificial Operations. Supplement: Functions.
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Education Development Center, Inc., Newton, MA. – 1973
This is one of a series of 20 booklets designed for participants in an in-service course for teachers of elementary mathematics. The course, developed by the University of Illinois Arithmetic Project, is designed to be conducted by local school personnel. In addition to these booklets, a course package includes films showing mathematics being…
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Elementary School Teachers
The Arithmetic Project Course for Teachers - 15. Topics: Rules Moving Two Points, Composition of Number Line Rules. Supplement: Examples of Questions Dealing with blank > blank x blank.
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Education Development Center, Inc., Newton, MA. – 1973
This is one of a series of 20 booklets designed for participants in an in-service course for teachers of elementary mathematics. The course, developed by the University of Illinois Arithmetic Project, is designed to be conducted by local school personnel. In addition to these booklets, a course package includes films showing mathematics being…
Descriptors: Algorithms, Elementary Education, Elementary School Mathematics, Elementary School Teachers
The Arithmetic Project Course for Teachers - 2. Topics: Consecutive Jumps, Distances Jumped, Competing Number Line Rules. Supplement: Computing With Positive and Negative Numbers.
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Education Development Center, Inc., Newton, MA. – 1973
This is one of a series of 20 booklets designed for participants in an in-service course for teachers of elementary mathematics. The course, developed by the University of Illinois Arithmetic Project, is designed to be conducted by local school personnel. In addition to these booklets, a course package includes films showing mathematics being…
Descriptors: Algorithms, Computation, Elementary Education, Elementary School Mathematics
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