Product details of Math Game Smart Math Always 10 boost mental calculation skills increase attention span instil visual alertness train quick thinking skills practise the 4 orders of operation; add, subtract, multiply and divide game for 2 players and more great family bonding game manual with 8 ways to play differently Always 10 is one such game. Comprising a deck of 54 number cards, it is simple to play and guaranteed to appeal to children from 5 and up. This is a versatile game and can be played in many ways, along with a suggested age rang. Hower, these are just guidelines. Children are individuals, and readiness to learn a particular game will vary from children to children. Boost up your mental calculation skills in this fast game of numbers. Add, subtract, multiply and divide. Use the 4 orders of operation. This kit helps increase your attention span, instil visual alterness and train your quick thinking skill.