Practice -ust words with this fun cloud-themed worksheet from SplashLearn, where kids color words from the -ust family and write their own examples.

Problem Analysis:

The task involves identifying words that belong to the -ust word family and coloring the corresponding clouds. Additionally, students are asked to write four more words from the -ust word family.

#### Key Points:
1. -ust Word Family: Words in this family end with the suffix -ust.
2. Task 1: Identify and color the clouds containing words from the -ust word family.
3. Task 2: Write four additional words from the -ust word family.

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Step-by-Step Solution:

#### Task 1: Identify and Color the Clouds
We need to examine each word in the clouds and determine if it belongs to the -ust word family (i.e., ends with -ust).

- dust: Ends with -ust → Belongs to the -ust word family.
- pot: Does not end with -ust → Does not belong.
- just: Ends with -ust → Belongs to the -ust word family.
- sun: Does not end with -ust → Does not belong.
- rust: Ends with -ust → Belongs to the -ust word family.
- cup: Does not end with -ust → Does not belong.
- bun: Does not end with -ust → Does not belong.
- man: Does not end with -ust → Does not belong.
- must: Ends with -ust → Belongs to the -ust word family.

Clouds to Color:
- dust
- just
- rust
- must

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#### Task 2: Write Four Additional Words from the -ust Word Family
To complete this task, we need to think of four more words that end with -ust. Here are some examples:

1. trust
2. cust (short for customer)
3. blust (a less common word meaning "to blow")
4. hust (slang for hustle)

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Final Answer:

1. Clouds to Color:
- dust
- just
- rust
- must

2. Four Additional Words from the -ust Word Family:
- trust
- cust
- blust
- hust

Boxed Final Answer:
\[
\boxed{\text{dust, just, rust, must; trust, cust, blust, hust}}
\]