Lesson 4.3.1

​Suffix- ous and prefix pro-
Improving Communities

​Lesson 4.3.1

​Thursday, December 11th 2025

​Vowel r- syllables

These words have more than one syllable and at least one of the syllables is a vowel -r syllable.

Draw

1. Divide the words into their syllables

2. highlight the vowel -r syllable

​Prefix pro-

means "forward" or "for"

​The word “protect“ means “to cover for.”

For example: You should use sunscreen to protect your skin.

​Progress

It means “to step or go forward in a positive way."

​The puppy made great progress with his training after many lessons.

Multiple Choice

The _______ artist created a beautiful painting for the museum.

• protect

• pronoun

• progress

• professional

​The suffix -ous means "full of" or "characterized by"

Words with the suffix -ous describe nouns.

​The word “dangerous“ means “full of danger.”


A tornado can be dangerous.

courageous

The courageous boy helped rescue the kitten from the tree.

Open Ended

The base word "Caution" means to be careful.

-ous means "full of"

What does the word cautious mean?

Draw

Listen to Mrs. Welker and highlight the words you hear.

Multiple Choice

He was _____ about crossing the street, so he looked both ways first.

• joyous

• cautious

• dangerous

• professional

​Reading

Open Ended

Think about ways you have helped your community at home, in your neighborhood, or in the world.

​How does Habitat for Humanity volunteers help a community?

​Main idea- what a book is mostly about.

To determine the main idea, look for details that all the passages have in common.

​What do these paragraphs have in common?


A. They are both about helping people.

B. They are both about nonprofits.

C. They are both about raising money.

Open Ended

What do you think is the main idea of Improving Communities?

Multiple Choice

The main topic is that volunteers can help and impact their communites. Which detail does NOT support this idea?

• Volunteers can help clean up after a natural disaster.

• A tsunami is a very large wave.

• Habitat for humanity volunteers build houses for people in need.