FAST MATH: True or False Calculations

GAME INFO
Fast Math is the online fast math game, to determine whether the calculations are true or false. It is about simple mathematical operations, which pose an addition or subtraction calculation and a result. You have to determine if the calculation is correct, true or false, in a few seconds. Click on the V or the X. You have a limited time to answer if the calculation is correct, and if you make a mistake you will start from scratch. This is a game to awaken your attention and improve your mental agility. The goal is to answer correctly to many questions in a row and reach a maximum record. How many calculations do you answer correctly in a row?