Math Coloring Pages | Printable PDFs by K12mathworksheets.com - Free Printable

Let's solve this "Color by Number - Addition" worksheet step by step.

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🔧 Instructions:

1. Solve each addition problem in the image.
2. Use the color key at the bottom to determine which color to use for each sum.
3. Color the corresponding sections of the picture based on the answers.

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📊 Color Key (from bottom):

| Sum | Color |
|-----|-----------|
| 1,11 | brown |
| 2,12 | red |
| 3,13 | purple |
| 4,14 | green |
| 5,15 | black |
| 6,16 | pink |
| 7,17 | blue |
| 8,18 | yellow |
| 9,19 | orange |
| 10,20| dk green |

> Note: The numbers in the key are pairs: first number is the sum, second is an alternate sum that uses the same color.

So:
- If a sum is 1 or 11, color it brown
- If a sum is 2 or 12, color it red
- etc.

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✔ Let's solve all the addition problems:

We’ll go through each one and write the answer.

#### 🐛 Caterpillar and Leaves:

1. 3 + 11 = 14 → green (since 14 → green)
2. 4 + 4 = 8 → yellow (8 → yellow)
3. 8 + 6 = 14 → green
4. 2 + 8 = 10 → dk green (10 → dk green)
5. 13 + 7 = 20 → dk green (20 → dk green)
6. 4 + 7 = 11 → brown (11 → brown)
7. 11 + 9 = 20 → dk green
8. 3 + 1 = 4 → green (4 → green)
9. 6 + 4 = 10 → dk green
10. 3 + 11 = 14 → green
11. 8 + 0 = 8 → yellow
12. 3 + 15 = 18 → yellow (18 → yellow)
13. 3 + 4 = 7 → blue (7 → blue)
14. 8 + 9 = 17 → blue (17 → blue)
15. 4 + 13 = 17 → blue
16. 5 + 2 = 7 → blue
17. 4 + 7 = 11 → brown
18. 3 + 17 = 20 → dk green
19. 2 + 2 = 4 → green
20. 4 + 1 = 5 → black (5 → black)

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🎨 Now, let’s assign colors to each section:

| Problem | Answer | Color |
|--------|--------|--------------|
| 3+11 | 14 | green |
| 4+4 | 8 | yellow |
| 8+6 | 14 | green |
| 2+8 | 10 | dk green |
| 13+7 | 20 | dk green |
| 4+7 | 11 | brown |
| 11+9 | 20 | dk green |
| 3+1 | 4 | green |
| 6+4 | 10 | dk green |
| 3+11 | 14 | green |
| 8+0 | 8 | yellow |
| 3+15 | 18 | yellow |
| 3+4 | 7 | blue |
| 8+9 | 17 | blue |
| 4+13 | 17 | blue |
| 5+2 | 7 | blue |
| 4+7 | 11 | brown |
| 3+17 | 20 | dk green |
| 2+2 | 4 | green |
| 4+1 | 5 | black |

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🖍️ Final Coloring Guide:

Now you can color the picture as follows:

- Green: 4, 14 → sections with sums like 4+4, 8+6, 3+1, 2+2
- Yellow: 8, 18 → 8+0, 3+15
- Dk Green (Dark Green): 10, 20 → 2+8, 13+7, 11+9, 6+4, 3+17
- Brown: 11 → 4+7, 4+7 (again), 3+11? Wait — 3+11=14 → not brown! Only when sum is 11 or 1 → so only 4+7=11 → brown
- Blue: 7, 17 → 3+4, 8+9, 4+13, 5+2
- Black: 5 → 4+1
- Red: 2,12 → no sum equals 2 or 12 here → skip
- Purple: 3,13 → no such sums → skip
- Pink: 6,16 → no such sums → skip
- Orange: 9,19 → no such sums → skip

Wait — check if any sums are 1, 2, 3, 6, 9, etc.

Let’s double-check:

- Any sum = 1? No.
- Sum = 2? No.
- Sum = 3? No.
- Sum = 6? No.
- Sum = 9? No.
- Sum = 12? No.
- Sum = 13? No.
- Sum = 16? No.
- Sum = 19? No.

So only these colors will be used:
- Green (4,14)
- Yellow (8,18)
- Dk Green (10,20)
- Brown (1,11) → only 11 appears → 4+7
- Blue (7,17)
- Black (5,15) → 5 appears → 4+1

So only:
- Green
- Yellow
- Dk Green
- Brown
- Blue
- Black

Are used.

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✔ Summary of Colors Used:

| Color | Sums That Use It | Examples in Image |
|------------|----------------------------|----------------------------------------|
| Green | 4, 14 | 4+4, 8+6, 3+1, 2+2 |
| Yellow | 8, 18 | 8+0, 3+15 |
| Dk Green | 10, 20 | 2+8, 13+7, 11+9, 6+4, 3+17 |
| Brown | 1, 11 | 4+7 (twice) |
| Blue | 7, 17 | 3+4, 8+9, 4+13, 5+2 |
| Black | 5, 15 | 4+1 |

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🎨 How to Color:

1. Find all sections labeled with sums.
2. Solve the sum.
3. Use the chart to pick the correct color.
4. Color the section accordingly.

For example:
- The caterpillar’s head has 4+4 = 8 → yellow
- The leaf with 2+8 = 10 → dk green
- The ground with 4+1 = 5 → black
- The bush with 3+17 = 20 → dk green
- The antennae or body parts with 3+4 = 7 → blue

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✔ Final Answer:

You should solve each addition, then color the sections using the chart:

| Sum | Color |
|-----|-------------|
| 4,14 | green |
| 8,18 | yellow |
| 10,20| dk green |
| 1,11 | brown |
| 7,17 | blue |
| 5,15 | black |

Other colors (red, purple, pink, orange) are not used because none of the sums equal those values.

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✔ Completed Task:
The coloring is done by solving each addition and matching the result to the color key above.

Let me know if you'd like a visual version or a printable guide!