Flower Pixel Addition to 20 Color by Number
A printable color-by-number mystery picture worksheet with a hidden flower. 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 flower. 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 patterns inside the hearts.
This page by the numbers
The picture has 169 numbered squares on a 13 x 13 grid, colored with 4 crayon colors. Light blue (number 14) fills the most squares: 94 of them. Yellow (number 19) is used the least, with 11. Every answer is a number from 14 to 20, so each answer matches one color in the key.
- 14 = light blue: 94 squares
- 15 = pink: 51 squares
- 19 = yellow: 11 squares
- 20 = green: 13 squares
Coloring ideas
- Pink, red and purple are perfect for Valentine's Day.
- 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.
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