This worksheet challenges students to identify the two smaller words that combine to create compound words like 'horseshoe' and 'toothpaste'.

To solve the problem, we need to break down each compound word into its two component words. A compound word is formed by combining two or more words to create a new word with a distinct meaning. Let's go through each compound word step by step:

1. horseshoe

- The compound word "horseshoe" is made up of:
- horse + shoe

2. jellyfish

- The compound word "jellyfish" is made up of:
- jelly + fish

3. airplane

- The compound word "airplane" is made up of:
- air + plane

4. cardboard

- The compound word "cardboard" is made up of:
- card + board

5. everybody

- The compound word "everybody" is made up of:
- every + body

6. nobody

- The compound word "nobody" is made up of:
- no + body

7. inside

- The compound word "inside" is made up of:
- in + side

8. outside

- The compound word "outside" is made up of:
- out + side

9. toothpaste

- The compound word "toothpaste" is made up of:
- tooth + paste

10. grandmother

- The compound word "grandmother" is made up of:
- grand + mother

11. grandfather

- The compound word "grandfather" is made up of:
- grand + father

12. baseball

- The compound word "baseball" is made up of:
- base + ball

13. goodbye

- The compound word "goodbye" is made up of:
- good + bye

14. backbone

- The compound word "backbone" is made up of:
- back + bone

Final Answer:

Here is the completed list:

| Word 1 | Word 2 | Compound Word |
|--------|--------|---------------|
| horse | shoe | horseshoe |
| jelly | fish | jellyfish |
| air | plane | airplane |
| card | board | cardboard |
| every | body | everybody |
| no | body | nobody |
| in | side | inside |
| out | side | outside |
| tooth | paste | toothpaste |
| grand | mother | grandmother |
| grand | father | grandfather |
| base | ball | baseball |
| good | bye | goodbye |
| back | bone | backbone |

$$
\boxed{
\begin{array}{lll}
\text{horse} & \text{shoe} & \text{horseshoe} \\
\text{jelly} & \text{fish} & \text{jellyfish} \\
\text{air} & \text{plane} & \text{airplane} \\
\text{card} & \text{board} & \text{cardboard} \\
\text{every} & \text{body} & \text{everybody} \\
\text{no} & \text{body} & \text{nobody} \\
\text{in} & \text{side} & \text{inside} \\
\text{out} & \text{side} & \text{outside} \\
\text{tooth} & \text{paste} & \text{toothpaste} \\
\text{grand} & \text{mother} & \text{grandmother} \\
\text{grand} & \text{father} & \text{grandfather} \\
\text{base} & \text{ball} & \text{baseball} \\
\text{good} & \text{bye} & \text{goodbye} \\
\text{back} & \text{bone} & \text{backbone} \\
\end{array}
}
$$