Christmas Tree Pixel Addition to 20 Color by Number
A printable color-by-number mystery picture worksheet with a hidden christmas tree. Solve each addition problem (sums from 11 to 20) and color the square by its answer. Great for first and second grade.
- Size
- US Letter (8.5 × 11 in), fits A4
- Vector, prints razor-sharp at any size
- PNG
- 2550 × 3300 px, 300 DPI
- License
- Free for personal & classroom use
About this coloring page
A printable color-by-number mystery picture worksheet with a hidden christmas tree. Solve each addition problem (sums from 11 to 20) and color the square by its answer. Every square is a quick math fact, so it doubles as addition or subtraction practice. Add white for snow.
This page by the numbers
The picture has 169 numbered squares on a 13 x 13 grid, colored with 6 crayon colors. Light blue (number 17) fills the most squares: 98 of them. Blue (number 13) is used the least, with 2. Every answer is a number from 13 to 20, so each answer matches one color in the key.
- 13 = blue: 2 squares
- 15 = green: 56 squares
- 16 = brown: 6 squares
- 17 = light blue: 98 squares
- 19 = red: 3 squares
- 20 = yellow: 4 squares
Coloring ideas
- Red, green and gold make a classic Christmas palette.
- Follow the color key exactly to see the mystery picture appear.
- Use markers for bold, even squares.
- Color one number at a time: find all the 1s, then all the 2s, and so on.
Printing tips
Download the PDF for the sharpest result and print at 100% (or “fit to page” on A4). The PNG is 300 DPI, which is handy for tablets and coloring apps. This page is free for personal, family and classroom use.
More Color by Number
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