63 is six tens and three ones. Take away one ten to find 63 take away 10. What is 63 take away 30? Think: how many tens should you take away?
First, we need to take away one ten to find 63 take away 10. 63 is six tens. If we take away one ten, there will be five. 63 take away 10 is 53. Now we need to calculate 63 subtract 30. How many tens should we take away? 30 is three tens. There were six tens. We took away three. Now there are three left. 63 take away 10 is 53, and 63 subtract 30 equals 33.