Hot Air Balloon Addition to 20 Color by Number
An illustrated color-by-number worksheet with colorful hot air balloons floating over green hills between the clouds. Solve the addition problem (sums from 10 to 20) in each space and color it by the answer to reveal the full picture. Great for first 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
An illustrated color-by-number worksheet with colorful hot air balloons floating over green hills between the clouds. Solve the addition problem (sums from 10 to 20) in each space and color it by the answer to reveal the full picture. The numbers stay within 20, which matches first grade math goals. Use small objects like buttons or cereal to check tricky problems.
This page by the numbers
The picture has 45 numbered spaces, colored with 11 crayon colors. Light blue (number 12) fills the most spaces: 10 of them. Orange (number 19) is used the least, with 1. Every answer is a number from 10 to 20, so each answer matches one color in the key.
- 10 = brown: 5 spaces
- 11 = green: 8 spaces
- 12 = light blue: 10 spaces
- 13 = light green: 6 spaces
- 14 = red: 4 spaces
- 15 = yellow: 4 spaces
- 16 = blue: 2 spaces
- 17 = purple: 2 spaces
- 18 = white: 2 spaces
- 19 = orange: 1 space
- 20 = pink: 1 space
Coloring ideas
- Have your child say each fact out loud while writing the answer.
- 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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