Addition Brain Teaser is an online game at 43g.Com. You can play Addition Brain Teaser in your browser for free.A challenging math puzzle game where all you have to do is add all of the numbers on the board together. But there is a catch as you can only add equal numbers together or numbers whose sum equals a number already on the board. For example, you can add 3 and 3 together because they are equal. If 7 is on the board you can combine 5 and 2 together. Although 5 and 2 aren't equal their sum is 7 which is on the board.
Controlls
Use mouse or touch to play this game. Just click/touch a number and drag it to other numbers you want to add together.