Watermelon Pixel Two-Digit Addition Color by Number
A printable color-by-number mystery picture worksheet with a hidden watermelon. Add the two-digit numbers in each space (some need regrouping) and color it by the sum. Great for 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 watermelon. Add the two-digit numbers in each space (some need regrouping) and color it by the sum. Second graders get real practice with bigger numbers while the picture keeps them going. Have your child say each fact out loud while writing the answer.
This page by the numbers
The picture has 153 numbered squares on a 17 x 9 grid, colored with 5 crayon colors. Red (number 90) fills the most squares: 61 of them. Black (number 37) is used the least, with 8. Every answer is a number from 37 to 90, so each answer matches one color in the key.
- 37 = black: 8 squares
- 54 = white: 23 squares
- 61 = green: 25 squares
- 81 = light blue: 36 squares
- 90 = red: 61 squares
Coloring ideas
- Use small objects like buttons or cereal to check tricky problems.
- 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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