21. How to calculate Quickly :   Publication: New York, N.Y. : Dover Pub., 1955 . vi, 185, [16] p. : Date:1955 Availability: Copies available: Turkeyen Campus Science & Technology [QA111 S85] (1), Actions: Add to cart
22. Arithmetic :   Publication: Englewood Cliffs, N.J., : Prentice-Hall, 1964 . 377 p. : Date:1964 Availability: Copies available: Turkeyen Campus Science & Technology [QA135 M74 1964] (1), Actions: Add to cart No cover image available No cover image available
23. Arithmetic enrichment activities for elementary school children /   Publication: New York : Parking Pub., 1965 . 224 p. : Date:1965 Availability: Copies available: Centre for Communication Studies [QA135 C85] (1), Actions: Add to cart No cover image available No cover image available
24. An inquiry into the teaching of long division using the constructivist method /   Publication: "Unpublished Student Research Paper". 2010 . [xi, 132] p. : Date:2010 Availability: Copies available: Tain Campus Reserved Collection [QA135 C67 2010] (1), Actions: Add to cart No cover image available No cover image available
25. Young children reinvent arithmetic :   Publication: New York : Teachers College Press, 1985 . xiv, 269 p. : , Includes index. Date:1985 Availability: Copies available: Turkeyen Campus Science & Technology [QA135.5 K34] (1), Actions: Add to cart