Choose difficulty Easy (0-10) Medium (0-20) Hard (0-50) Expert (0-100) 5, 10 Series 2, 4 Series 3, 6 Series 2,3,4,5,10 Series 7 Series 8,9 Series Choose Maths function Addition Subtraction Multiplication Division Random (+ and -) Random all (+, -, / and x) s 3 + 2 = ? s 4 © Raviv Practice London - 2010
