00850cam a22002531 4500 hew63000107 DLC 20260227111512.0 720613s1963 dcua f000 0 eng hew63000107 (OCoLC)331206 DLC ODaU OCoLC DLC premarc QA11 .U52 United States. Office of Education. Modern mathematics and your child, by Harry L. Phillips and Marguerite Kluttz. [Washington, For sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1963] iv, 28 p. illus. 15 x 24 cm. "OE-29047." Mathematics Study and teaching. Phillips, Harry L. (Harry Lewis), 1928- Kluttz, Marguerite, 1911- Mathematics and your child. 34437 34437