Here are the solutions for each subtraction problem in the circle, along with the color you should use based on the key at the bottom of the page.
The Color Key:
*
1 and 30: Green
*
31 and 60: Pink
*
61 and 99: Orange
*
Other numbers: Your choice
Step-by-Step Solutions (going clockwise from the top):
1.
91 - 13 = 78
* 78 is between 61 and 99.
* Color:
Orange
2.
81 - 42 = 39
* 39 is between 31 and 60.
* Color:
Pink
3.
71 - 35 = 36
* 36 is between 31 and 60.
* Color:
Pink
4.
22 - 19 = 3
* 3 is between 1 and 30.
* Color:
Green
5.
76 - 48 = 28
* 28 is between 1 and 30.
* Color:
Green
6.
48 - 15 = 33
* 33 is between 31 and 60.
* Color:
Pink
7.
90 - 11 = 79
* 79 is between 61 and 99.
* Color:
Orange
8.
75 - 37 = 38
* 38 is between 31 and 60.
* Color:
Pink
9.
42 - 38 = 4
* 4 is between 1 and 30.
* Color:
Green
10.
60 - 25 = 35
* 35 is between 31 and 60.
* Color:
Pink
11.
82 - 14 = 68
* 68 is between 61 and 99.
* Color:
Orange
12.
74 - 28 = 46
* 46 is between 31 and 60.
* Color:
Pink
13.
41 - 32 = 9
* 9 is between 1 and 30.
* Color:
Green
14.
43 - 22 = 21
* 21 is between 1 and 30.
* Color:
Green
Final Answer:
Orange: 78, 79, 68
Pink: 39, 36, 33, 38, 35, 46
Green: 3, 28, 4, 9, 21
Parent Tip: Review the logic above to help your child master the concept of two digit subtraction with regrouping coloring worksheet.