Welcome to TRIALS! This is a 4th Grade Math number sense series with a fun and engaging storyline that any teacher can easily jump in and do with their students! Kids loves practicing Math with fun characters like Benny the Bus Driver, JETT the Robot, Mary the Martian, Princess Space Turtle, and Fido the Three-Legged Space Dog! They'll also take on villains like Marshall Dark Horse, the Saturn Queen, and the Warlord's Kids!TRIALS is a year long number sense series framed like a game show for the