Math Invaders: Addition and Subtraction

GAME INFO
Math Invaders game, to practise addition and subtraction by shooting spaceships. Pilot your spaceship, and shoot the spaceship that contains the result of the addition or subtraction. Click on the cogwheel to choose the operations you want to practise, addition, subtraction or both. You can also choose the range of numbers that appear in the addition and subtraction in this Math Invaders game. Do addition and subtraction up to 10, up to 20, up to 100 or more. An educational and fun online maths game at the same time.