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Lesson II: Whole Numbers; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson II: Whole Numbers
Lesson VI: Addition and Subtraction; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson VI: Addition and Subtraction
Lesson XIV: Polygons and Angles; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XIV: Polygons and Angles
Lesson XIX: Equivalent Fractions; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XIX: Equivalent Fractions
Lesson XV: Metric Properties of Figures; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XV: Metric Properties of Figures
Lesson XXI: Multiplication of Rational Numbers; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXI: Multiplication of Rational Numbers
Lesson XXI: Multiplication of Rational Numbers; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXI: Multiplication of Rational Numbers
Lesson XXII: Division of Rational Numbers; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXII Division of Rational Numbers
Lesson XXIII: Decimals; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXIII: Decimals
Lesson XXIV: Ratio, Rate, Percent; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXIV: Ratio, Rate, Percent
Lesson XXIX: Negative Rational Numbers; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXIX: Negative Rational Numbers
Lesson XXV: Congruence and Similarity; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXV: Congruence and Similarity
Lesson XXVI: Solid Figures; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXVI: Solid Figures
Lesson XXVII: Area; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXVII: Area
Lesson XXVIII: Measurement of Solids; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXVIII: Measurement of Solids
Lesson XXX: The Real Numbers; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXX: The Real Numbers
Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers
Photograph of A. A. Albert and Edwin Spanier, December 19, 1965
Photograph of Alfred and Mrs. Tang
Photograph of Amy Murray, Mary Gray, and Evelyn Silva