ARCADEMICS TUGBOATS ADDITION: Sums up to 20

GAME INFO
Online math game, "Arcademics Tug Team Tugboats Addition" to practice sums with numbers up to 20 in a 1v1 fight with boats at sea, measuring the strength of your boat according to the sums you answer correctly and your speed of response. Compete in this online math game with two ships measuring their strength by answering sums up to 20. To win, you have to correctly answer the sums of numbers from 1 to 20. Add non-stop accurately up to 20, and make your ship win the math sums competition. For boys and girls of 1st, 2nd and 3rd grade of primary education (6-8 years old approximately).