"Modern School Mathematics." Series of 18 film loops: Sets: What Are They?; Sets: How We Use Them; Addition with Whole Numbers; Subtraction with Whole Numbers; Multiplication with Whole Numbers; Division with Whole Numbers; Fractional Numbers: What Are They?; Fractional Numbers Have Many Names; Addition with Fractional Numbers; Subtraction with Fractional Numbers; Multiplication with Fractional Numbers; Division with Fractional Numbers; Solving Word Problems; Solving Two-Stage Word Problems; Addition and Subtraction with Decimals; Multiplication with Decimals; Division with Decimals; Percents

Review by: Donovan R. Lichtenberg

发现好书期刊，享受阅读乐趣