👩‍🏫 Teacher’s Guide

Objective
Students will apply prefix under using the examples and practice below.

Vocabulary
underground, underpay, underwater

Teaching Notes

• Model one response, then ask students to work independently and explain their choices with specific words or evidence.
• Teach the rule, discuss the worked example, and cover answers during practice.
• Use incorrect responses to identify which part of the rule needs another example.
• Allow approximately 25–35 minutes, including discussion and independent practice.

🧒 Student Worksheet

Concept and Helping Material

Big Idea
A prefix is added to the beginning of a base. In these examples, under contributes the meaning "below or too little." Word parts are clues; always check the whole word in context.

Word study

• underground: below ground
• underpay: pay too little
• underwater: below the water surface

Model
Read the first example. Identify the word part, explain the whole word, and test the meaning in a sentence.

Vocabulary and Definition

• — below ground
• — pay too little
• — below the water surface

Words to Learn

underground, underpay, underwater

Sentences to Fill In

1. The term for below ground is ____.
2. The term for pay too little is ____.
3. The term for below the water surface is ____.

Think & Respond Q&A

1. What does underground mean?
2. Which word means "below ground"?
3. What does underpay mean?
4. Which word means "pay too little"?
5. What does underwater mean?
6. Which word means "below the water surface"?
7. Use one practice word in a sentence that shows its meaning.

Hands-On Experiment or Activities

Make matching word and meaning cards. Match each pair, then group words with the same word part. Explain how the part affects the meaning. Check any spelling change when the part is added.

Reflection

• Explain one thing you learned.
• Write a short paragraph applying the skill. Underline your evidence or target words and explain one choice.