MENTAL EXERCISE 470. Be Non–Dominant Take a little more time on your lunch break and eat using your non–dominant hand during lunch.1 471. Crunch Numbers Solve a Sudoku puzzle in between meetings or work out some simple math problems: 2+85 = ? 6x13 = ? ((8+2-15)*18)/-9 = ?2 472. Get Carded Play a mind game with a coworker, like Old Maid or Set. 473. Get TypeCast Return to your elementary school ways and get better at typing 3 by playing a game. Or you can just force yourself to touch–type by covering your hands and not looking at the keyboard. 1 This forces the brain to work harder, creating new neurons and forcing it to think differently, both of which can increase creativity and may help stave off Alzheimer’s. 2 Answers: eighty-seven; seventy-eight; ten. 3 My favorite typing games: htww.co/typing. 237