Fun subtraction coloring activity for kids with a crayon-themed design.

To solve this "Color by Subtraction" puzzle, we need to do the math for each section of the picture and then match the answer to the correct color using the guide.

Step 1: Understand the Color Guide
First, let's list out which number equals which color so we can refer to it easily:
* 9 = Blue
* 10 = Yellow
* 11 = Orange
* 12 = Brown
* 13 = Red
* 14 = Green
* 15 = Yellow
* 16 = Pink
* 17 = Purple

*(Note: Both 10 and 15 are Yellow)*

Step 2: Solve the Math Problems
Now, let's go through the sections in the picture (mostly the popcorn bucket and the candy) and solve the subtraction problems.

The Popcorn Bucket:
* `20 - 6` = 14 → Green
* `16 - 2` = 14 → Green
* `20 - 11` = 9 → Blue
* `14 - 5` = 9 → Blue
* `15 - 1` = 14 → Green
* `17 - 3` = 14 → Green
* `18 - 9` = 9 → Blue
* `18 - 6` = 12 → Brown
* `16 - 4` = 12 → Brown
* `15 - 4` = 11 → Orange
* `20 - 4` = 16 → Pink
* `13 - 2` = 11 → Orange
* `17 - 1` = 16 → Pink
* `16 - 0` = 16 → Pink
* `16 - 7` = 9 → Blue
* `17 - 1` = 16 → Pink (Wait, looking at the image, there is a `17-1` on the right side of the bucket too). Let's re-check the left side `16-7`. Yes, that is 9 (Blue).
* `18 - 2` = 16 → Pink
* `13 - 3` = 10 → Yellow
* `17 - 6` = 11 → Orange
* `12 - 2` = 10 → Yellow
* `20 - 4` = 16 → Pink
* `19 - 9` = 10 → Yellow

The Popcorn Kernels (Top):
* `15 - 6` = 9 → Blue
* `17 - 8` = 9 → Blue
* `14 - 3` = 11 → Orange
* `18 - 8` = 10 → Yellow
* `15 - 2` = 13 → Red
* `16 - 5` = 11 → Orange
* `19 - 6` = 13 → Red
* `11 - 2` = 9 → Blue
* `13 - 4` = 9 → Blue
* `19 - 7` = 12 → Brown
* `15 - 3` = 12 → Brown

The Candy / Lollipop:
* `9 - 0` = 9 → Blue
* `17 - 4` = 13 → Red
* `19 - 10` = 9 → Blue
* `10 - 1` = 9 → Blue

The Bottom Clouds/Shapes:
* `20 - 9` = 11 → Orange
* `14 - 1` = 13 → Red
* `18 - 5` = 13 → Red
* `14 - 2` = 12 → Brown
* `19 - 2` = 17 → Purple
* `18 - 1` = 17 → Purple
* `17 - 5` = 12 → Brown
* `15 - 5` = 10 → Yellow
* `20 - 10` = 10 → Yellow
* `19 - 3` = 16 → Pink
* `17 - 7` = 10 → Yellow

Summary of the Picture:
By following these calculations, the popcorn bucket will have stripes of Green, Blue, Brown, Orange, Pink, and Yellow. The popcorn kernels on top are mostly Blue, with some Orange, Yellow, Red, and Brown. The lollipop/candy next to it is primarily Blue and Red. The shapes at the bottom are a mix of Orange, Red, Brown, Purple, Pink, and Yellow.

Final Answer:
The completed picture is colored by solving the subtraction problems in each section and matching the result to the key:
- 9: Blue
- 10: Yellow
- 11: Orange
- 12: Brown
- 13: Red
- 14: Green
- 15: Yellow
- 16: Pink
- 17: Purple

For example, the section labeled 20 - 6 equals 14, so it is colored Green. The section labeled 9 - 0 equals 9, so it is colored Blue. Following this pattern for every section reveals the full colorful image.