An interactive worksheet that focuses on adding and subtracting fractions. The worksheet covers concepts such as mixed numbers, reducing to lowest terms, and changing mixed numbers to improper fractions. Problems are set up horizontally...

Increase your addition and subtraction speed using this timed interactive worksheet. With just ten problems and five minutes, this worksheet is suitable for practice or as an assessment tool. Check your answers immediately.

Improve your computations skills in all four operations with this timed interactive worksheet. Solve ten problems in five minutes or less. Problems are presented in horizontal format and answers can be checked immediately. This worksheet...

Climb aboard the Beagle and relive the 14 stages of Charles Darwin's odyssey through this outstanding virtual tour of his nearly five-year journey. See sketches from the journey, hear readings from Darwin's journals, and learn about the...