About Face: The Essentials of Interaction Design, Fourth Edition is the latest update to the book that shaped and evolved the landscape of interaction design. This comprehensive guide takes the worldwide shift to smartphones and tablets into account. New information includes discussions on mobile apps, touch interfaces, screen size considerations, and more. The new full-color interior and uniq…
Unifix provides children from preschool thrught the elementary grades with a colourful, hands-on experience in number and math exploration. Each cube represents a "unit" and link in one direction. From early pattern trough place value and fractions. This package includes 100 cubes in 10 standard colours: red, dark blue, light blue, yellow, green, orange, maroon, brown, black, and white. It a…
Illustrating the relationship between fractions, decimals and percents is a snap with this set of 51 color-coded cubes. Durable, interlocking cubes feature fractions, decimals and percents clearly marked on each side, providing students with a visual representation of equivalencies. Children learn by building simple, graphic mathematical models that clearly demonstrate the relationship betw…
Beads are a versatile maths resource to help students understand the concepts of counting, sorting, patterning, addition, subtraction and much more. Beads can be used in a wide range of maths activities. This set consists of 10x10 unit numbers beads in 10 colours. The beads measure as ball with diameter 35 mm each and the set is supplied in a compartment plastic box. Some activities that can be…
Display relationships of equal to (=), greater than (>), less than (
Alex Rider is actually the end of the story. Yassen Gregorovich was the beginning. Alex Rider’s life changed forever with one bullet and the pull of a trigger. Alex Rider’s life changed forever with the silent pull of a trigger. When Ian Rider died at the hands of the assassin Yassen Gregorovich, Alex, ready or not, was thrust into the world of international espionage—the worldâ€â€¦
Before the Internet became widely known as a global tool for terrorists, one perceptive U.S. citizen recognized its ominous potential. Armed with clear evidence of computer espionage, he began a highly personal quest to expose a hidden network of spies that threatened national security. But would the authorities back him up? Cliff Stoll's dramatic firsthand account is "a computer-age detective …
A Question of Math uses a recurring cast of young, multiethnic characters along with a mathematical creature called Digit to introduce young readers to fundamental math concepts -- including subtraction, division, multiplication, addition, counting, and measuring -- that they can find at school, play, and home. With a clear, straightforward question-and-answer text, lively illustrations, and si…