T O 10 10 10 10 7 40 and 7 is 47. T O 10 10 10 10 8 40 and 8 is 48. T O 10 10 10 10 9 40 and 9 is 49. T O 10 10 10 10 10 40 and 10 is 50. 5 towers = 50 cubes 101 Numeracy Skills-2