"The excitement the entire concept held for my fourth grader was wonderful as he excitedly completed problems in order to solve the riddle."
Also see review at: http://www.bestappsforkids.com/2016/math-galaxy-whole-number-riddles/

Math Galaxy Whole Number Riddles is a game like Wheel-of-Fortune, with the answers to math problems as clues to riddles and word jumbles. There are 500 riddles and 600 word jumbles with definitions which are chosen randomly. Numbers for math problems are created randomly and cover whole number operations (add, subtract, multiply, divide), time, money, and measurement (which includes adding, subtracting, multiplying and dividing length, volume/capacity, weight and time).