(9781610398770) - Dimensions: 160 x 238 x 30mm | 48g - Format: 288 pages - PublicAffairs,U.S. - New York, United States - INGRAM PUBLISHER SERVICES US - ISBN: 9781610398770 - Languages: English
(9781412903516) - Dimensions: 148 x 210 x 9.65mm | 210g - Format: 128 pages - ISBN: 9781412903516 - Languages: English - Thousand Oaks, United States - SAGE Publications Inc | SAGE Study Skills, Doing Your Dissertation & Reality of Researching
Explore clever mental shortcuts that enable instant addition, subtraction, multiplication, and division—no calculator needed. Learn visual cues, pattern tricks, and quick estimation methods to boost confidence in everyday math tasks.