Educational Insights Math Trekker Addition-Subtraction, Grades 1+ Price:  $11.37 (as of 31/12/2019 07:14 PST- Details)

Take the learning on the go with this portable, interactive, math facts game!
Math Trekker drills addition and subtraction facts 1 to 12, plus mixed practice.
Self correcting games with positive reinforcement and the desire to “beat your time” motivate kids to keep practicing!