A Method of Self-Instruction for Learning the Thirty-Six...

Mathematics Teacher 1945 / 10 Vol. 38; Iss. 6

A Method of Self-Instruction for Learning the Thirty-Six Addition Combinations with Sums from Eleven to Eighteen and Their Corresponding Subtraction Facts in Grade II

D. Banks Wilburn
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Volume:
38
Language:
english
Journal:
The Mathematics Teacher
DOI:
10.2307/27952998
Date:
October, 1945
File:
PDF, 790 KB
english, 1945
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