1st Grade Math Addition at Cooler Maths Games, which is an educational game. You can see in-game instructions on how to play this cool addition. Left Click on the correct answer to solve the problem. You have a chance to solve more than 100 problems. Play all the levels by giving correct answers to all questions. But one more important thing is that you have 50 seconds to solve each question. If you get fail in time or give wrong answers you will loose the game. However, this is a free game and you can restart anytime. Play Bouncing Letters games as well.