You have to divide 210 by 64 and you will get 3.28. So it doesn't divide completely.
210 times.
6 times
210 ÷ 6 = 35
210 ÷ 5 = 42
10 goes into 210 21 times
12 can go into 64, 5 times.
42 times :)
70 times.
Five times.
105 times
26.25 times.
42 times.