Jax puts your math prowess to the test in this numerical SEQUENCE version. The answers are on the gameboard; the equations are on the cards. There is an equation for addition or subtraction on each card. Place your chip there after matching a card to the appropriate response on the board. To aid in number recognition, groups of numbers are color-coded. You have a sequence when you line up five of your chips in a row. Playing by the numbers makes math fun to learn. Numbers in Sequence.