Success at School: Time Tests: Multiplying And Dividing in Your Head - Softcover

Lock, Norman

 
9780721420851: Success at School: Time Tests: Multiplying And Dividing in Your Head

Synopsis

This challenging book provides an entertaining approach to developing mental arithmetic. Spend just a few minutes each day tackling the carefully graded tests and, in no time at all, you'll be able to perform mental gymnastics quickly and accurately.

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