An educational platform-style game for children aged 3-5. The player is supposed to collect stars, recognise English names for various numbers, colors, shapes, objects etc. English-Spanish version. The game is portable.
How many colors are needed to color a map? Must hailstones numbers always fall to the ground? Can statistics prove anything? What is a perfect square, and who has found the ultimate one? How do numbers affect national security? What kinds of problems confront the traveling salesman? Does anyone know how best to pack balls together?
More than 60 new puzzles and stunts based on the properties of numbers. Easy techniques for multiplying large numbers mentally, identifying unknown numbers, determining the date of any day in any year, interest rates worked in one’s head; such entertainments as The Lost Digit, and Psychic Bridge; over 30 pages of magic squares, triangles, cubes, much more. Inexhaustible source of stimulating mathematical recreation. 76 illustrations.
An Introduction to the Theory of Numbers by G. H. Hardy and E. M. Wright is found on the reading list of virtually all elementary number theory courses and is widely regarded as the primary and classic text in elementary number theory. Developed under the guidance of D. R. Heath-Brown, this Sixth Edition of An Introduction to the Theory of Numbers has been extensively revised and updated to guide today's students through the key milestones and developments in number theory.
Intended as a precursor to Algebra I, this course introduces math’s basic concepts, as well as the fundamentals that underlie some of its more complicated areas. Let Professor Siegel instruct your student with his knack for explaining both the how and why of key mathematical ideas and techniques, including whole numbers, fractions, decimals, percents, integers, exponents, square roots, and measurements.