Mental Computation by Kramer Klaas (1 results)
Language: English
Published by IBM/SRA [Science Research Assoc], Chicago, IL, 1965
- Softcover
- First Edition
Seller: 100POCKETS, Berkeley, CA, U.S.A.100POCKETS
Contact seller4-star sellerCondition: Used - Near fine
£ 32.75
£ 5.58 shippingShips within U.S.A.Quantity: 1 available
Add to basketSoft Cover/Stapled. Condition: Near Fine. Dust Jacket Condition: None as Issued. First Edition, First Thus. 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 comf…ortable 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.
