23% of 45 is what percent of 69?
This is a typical grade 4 competition Math problem. 23% of 45 is what percent of 69? The conventional solution is to simply do the arithmetic: 23% of 45 = 0.23 x 45 = 10.35 (By long multiplication) 10.35/69 =…
Calculator Fun 2
Try This Think of a three digit number. Multiply it successively by 7, 11 and 13. What is the result? Example If your three digit number is 168: 168 x 7 = 1176 1176 x 11 = 12936 12936 x…