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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
School Mathematics Study Group writing group
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