Ordinal number practice worksheet with an ice cream cone and color instructions.

Problem Analysis:

The task involves coloring ice cream scoops according to specific ordinal number instructions and then identifying a pattern in the colors used. Let's break it down step by step.

#### Instructions:
1. Color the first scoop blue.
2. Color the ninth scoop orange.
3. Color the third scoop orange.
4. Color the second scoop red.
5. Color the fourth scoop blue.
6. Color the eighth scoop red.
7. Color the tenth scoop blue.
8. Color the fifth scoop red.
9. Color the sixth scoop orange.
10. Color the seventh scoop blue.

#### Ice Cream Scoop Arrangement:
There are 10 scoops in total, numbered from 1 to 10 from bottom to top.

#### Step-by-Step Coloring:
We will follow the instructions to color each scoop:

1. First scoop (bottom scoop): Blue
2. Second scoop: Red
3. Third scoop: Orange
4. Fourth scoop: Blue
5. Fifth scoop: Red
6. Sixth scoop: Orange
7. Seventh scoop: Blue
8. Eighth scoop: Red
9. Ninth scoop: Orange
10. Tenth scoop (top scoop): Blue

#### Final Colored Scoops:
- Scoop 1: Blue
- Scoop 2: Red
- Scoop 3: Orange
- Scoop 4: Blue
- Scoop 5: Red
- Scoop 6: Orange
- Scoop 7: Blue
- Scoop 8: Red
- Scoop 9: Orange
- Scoop 10: Blue

#### Pattern Identification:
Now, let's observe the pattern in the colors:
- The colors alternate in a repeating sequence: Blue, Red, Orange.
- This sequence repeats every three scoops:
- Scoops 1, 4, 7, 10 are Blue.
- Scoops 2, 5, 8 are Red.
- Scoops 3, 6, 9 are Orange.

Final Answer:

The pattern noticed is:
Blue, Red, Orange repeating every three scoops.

$$
\boxed{\text{Blue, Red, Orange}}
$$