Nearly 300 mathematical brain-teasers from the fields of arithmetic, algebra, plane and solid geometry, trigonometry, number theory, and general recreational mathematics. From simple to complex; all challenge the reader to devise solutions more elegant than the ones provided. Offers hours of brain-bending amusement. 270 problems. 121 illustrations. Solutions. List of Sources.
|Availability||Usually ships in 24 to 48 hours|
|Author/Editor||Charles W. Trigg|
|Grade level||7 and Up (ages 12 and up)|
|Dimensions||5 3/8 x 8 1/2|