MENTAL COMPUTATION

Kramer, Klaas

Verlag: IBM/SRA [Science Research Assoc], Chicago, IL, 1965

Beschreibung

EX-LIB. Text/BRAND NEW showing trace margin discoloration. Softcover/NF; strong w/light edge rubs, and "discard" stamp to upper front corner. Educational material prepared for teachers. 90 pgs. Teaching children to be comfortable with arithmetic numbers via "a way of systematic thought". Professor of Elementary Education, Klaas Kramer (1916 -) assembles 30 lessons/exercises. Simple example: 28 + 9 = ? ----- think 28 + 2 is 30, and 30 + 7 is 37; therefore 28 + 9 = 37. Excellent supplementary material for arithmetic schooling. Bestandsnummer des Verkäufers 015973

Bibliografische Details

Titel: MENTAL COMPUTATION

Verlag: IBM/SRA [Science Research Assoc], Chicago, IL

Erscheinungsdatum: 1965

Einband: Soft Cover/Stapled

Zustand: Near Fine

Zustand des Schutzumschlags: None as Issued

Auflage: First Edition, First Thus