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Finding the Missing Addend, or Checkbook Subtraction
Peer reviewed Peer reviewed
Johnson, Paul B. – Arithmetic Teacher, 1972
Descriptors: Algorithms, Elementary School Mathematics, Instruction, Mathematical Enrichment
Understanding the Russian Peasant
Peer reviewed Peer reviewed
Reardin, C. Richard, Jr. – Arithmetic Teacher, 1973
A rationale is given for the Russian-peasant algorithm for multiplication indicating why it works as well as how it works. (DT)
Descriptors: Algorithms, Elementary School Mathematics, Mathematical Enrichment, Mathematics
The Russian-Peasant Algorithm: Rediscovery and Extension
Peer reviewed Peer reviewed
Boykin, Wilfred E. – Arithmetic Teacher, 1973
The Russian-peasant algorithm for multiplication is described and then extended to developing an algorithm for renaming base ten numbers in other number bases. (DT)
Descriptors: Algorithms, Elementary School Mathematics, Instruction, Mathematical Enrichment
Lattice Multiplication and Division.
Peer reviewed Peer reviewed
Broadbent, Frank W. – Arithmetic Teacher, 1987
A modern adaptation of the historic lattice algorithm which can be used for multiplication and division is discussed. How it works is clearly illustrated. (MNS)
Descriptors: Algorithms, Division, Elementary Education, Elementary School Mathematics
Motivational Activities in Elementary Mathematics.
Peer reviewed Peer reviewed
Schaefer, Sister M. Geralda – Arithmetic Teacher, 1981
Alternative algorithms, "tricks," and shortcuts are viewed as ideally suited for inclusion in a systematic program of practice because of their motivational effect and the mental stimulation involved in discovering why they work. (MP)
Descriptors: Algorithms, Basic Skills, Discovery Learning, Drills (Practice)
Magic Squares: Would You Believe...?
Peer reviewed Peer reviewed
Pagni, David L. – Arithmetic Teacher, 1974
Descriptors: Algorithms, Class Activities, Educational Games, Elementary School Mathematics