10 x 2 = 42 ÷ 6 = 4 x 7 = 9 x 5 = 14 ÷ 2 = 12 ÷ 2 = 9 ÷ 3 = 9 x 6 =
A task which requires that you quickly calculate values while keeping track of the locations of these values can be challenging (especially if you have a poor memory or have a difficult calculating basic facts).