Subtraction of two digit numbers wheel of fortune game online

Subtraction of two digit numbers wheel of fortune game - math game for 1st, 2nd, 3rd, 4th, 5th, 6th grades.To subtract two-digit numbers, take for example, 67 - 45.
First, place one number above the other, so the tens' place digits and ones' place digits are lined up vertically. Draw a line under the bottom number as seen below
67
45
Next is you subtracting the two digits in the ones' place column. (7 - 5 = 2).
67
45
 2
Lastly, you will subtract the digits in the tens' place column (6 - 4 = 2) and place the answer below the line in the tens' place column as shown below
67
45
22
Sometimes, the ones' place digit that is being subtracted might be larger than the top ones' place digit, you will have to decrease the top tens' place digit by one and then increase the value of the top ones’ place by ten before the subtraction.