Mt. Vernon, NY: 1965 Rev US/1959; tan SOFTCOVER; 120 pp. Reference mathematics.
A sequential development of mathematical ideas, which must have been used jointly by teacher and students since the layout and font seem difficult for the ideas presented (unlike Miquon). Part 1: NUMBERS FROM 1 TO 100: Numbers Greater Than 20, Table of Products, Factors - Prime - Multiple, Common Factor Part 2: COST PRICE, SELLING PRICE, PROFIT Part 3: VERTICAL NOTATION: Addition, Subtraction, Equivalent Subtraction, Multiplication, Division Part 4: NUMBERS UP TO 1,000: Equivalent Crosses, Multiples of 10, Doubling, Hundreds - Tens - Units, Distribution Law, Vertical Notation, Squares Part 5: READING and WRITING of NUMBERS Part 6: PROCEDURES and ALGORITHMS for the FOUR OPERATIONS: Addition, Equivalent Additions, Equivalent Subtractions, Muliplication, Casting Out 9s, Division.
CONDITION: Very Good Plus; no names, 1/8" spine bumps, otherwise clean and flat inside and out. Item #22693