One ratio to rule them all. Young mathematicians investigate the Fibonacci sequence and the Golden Ratio. To begin the first lesson, they use a spreadsheet to see how the Fibonacci sequence gives the Golden Ratio. The second lesson...

Take your class on a field trip to Fractalland where they'll learn all about number and shape patterns. Based on Disney's movie Alice in Wonderland, this resource takes young mathematicians on an adventure as they explore patterns in...

Dan Brown's The Da Vinci Code is filled with secrets. Help readers find the clues, solve the riddles and puzzles, and unwrap the mysteries with a six-page guide that includes before, during, and after reading discussion questions and...