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Exploring Prefixes: Changing Word Meanings – What are prefixes? – Prefixes are letters added to the beginning of a word to form a new word. – Common prefixes: un-, dis-, in-, im-, non- – ‘un-‘ means not, ‘dis-‘ means opposite, ‘in-‘ and ‘im-‘ mean not, ‘non-‘ means not or without. – Prefixes alter word meanings – Adding a prefix to a word can turn it into its opposite or give it a different meaning. – Practice with prefix examples – Examples: ‘happy’ to ‘unhappy’, ‘appear’ to ‘disappear’, ‘correct’ to ‘incorrect’. | This slide introduces the concept of prefixes to the students, explaining that they are groups of letters placed before a word to alter its meaning. Provide examples for each prefix, showing how they can negate or reverse the meaning of the original word. For instance, ‘un-‘ can change ‘known’ to ‘unknown’, indicating the absence of knowledge. Encourage students to think of additional examples and understand that ‘in-‘ and ‘im-‘ are often used interchangeably based on the first letter of the root word. During class, engage students in identifying prefixes in words and determining how they change the meanings. This will help them decode unfamiliar vocabulary in the future.

Exploring the Prefix ‘un-‘ – ‘un-‘ means ‘not’ or ‘opposite of’ – Example: ‘happy’ to ‘unhappy’ – ‘unhappy’ means not happy – Find ‘un-‘ words as a class – We’ll discover words starting with ‘un-‘ – Understand how ‘un-‘ changes words – ‘un-‘ can reverse a word’s meaning | This slide introduces the prefix ‘un-‘ and its function to indicate negation or the opposite meaning of the root word it precedes. Start by explaining the definition of ‘un-‘ and provide the example ‘happy’ changing to ‘unhappy’ to illustrate the concept. Engage the class in an interactive activity to find more words that start with ‘un-‘. Encourage students to think of words they know and see how adding ‘un-‘ changes their meanings. This activity will help students understand how prefixes can alter the meaning of words and enhance their vocabulary. Make sure to guide them through the process and confirm their understanding by discussing the words they come up with.

Exploring the Prefix ‘dis-‘ – ‘dis-‘ means ‘not’ or ‘opposite’ – It negates the meaning of the base word. – Example: ‘appear’ to ‘disappear’ – ‘disappear’ means to cease to be visible. – Find ‘dis-‘ words in your favorite book – Share your ‘dis-‘ words with the class | The prefix ‘dis-‘ is a powerful tool in the English language that changes the meaning of a word to its opposite or indicates negation. Start by explaining the definition and then show the example with ‘appear’ and ‘disappear’. Encourage students to look for words with the prefix ‘dis-‘ in books they enjoy or in their daily lives. This activity will help them understand how prefixes alter word meanings and expand their vocabulary. In the next class, create a collaborative environment where students can share and discuss the words they’ve found. This will reinforce their understanding and allow them to learn from each other.

Understanding Prefixes: in- and im- – ‘in-‘ and ‘im-‘ mean ‘not’ – ‘in-‘ before consonants – Use ‘in-‘ for words starting with letters like ‘c’, ‘t’, or ‘f’. – ‘im-‘ before ‘p’ or ‘m’ – ‘im-‘ is used when the word starts with ‘p’ or ‘m’, like ‘patient’ or ‘mature’. – Examples: ‘incorrect’, ‘impossible’ – ‘correct’ becomes ‘incorrect’, changing the meaning to ‘not correct’. ‘possible’ becomes ‘impossible’, meaning ‘not possible’. | This slide introduces the prefixes ‘in-‘ and ‘im-‘, which both mean ‘not’. It’s crucial to help students understand that prefixes can change the meaning of a word into its opposite. Provide guidance on when to use ‘in-‘ and ‘im-‘ based on the starting letter of the word they are modifying. Offer examples like ‘incorrect’ and ‘impossible’ to illustrate the concept. Encourage students to think of other words that could use these prefixes and to understand how the meaning changes. This will enhance their vocabulary and comprehension skills.

Understanding the Prefix ‘non-‘ – ‘non-‘ means ‘not’ or ‘without’ – ‘sense’ to ‘nonsense’ – Changes the word to mean the opposite: ‘nonsense’ means ‘not making sense’ – Identify ‘non-‘ words – Think of words like ‘nonstop’ or ‘nonfiction’ – Usage in sentences – How would you use ‘non-‘ words in our daily conversations? | This slide introduces the prefix ‘non-‘ and its meaning. Students will learn how adding ‘non-‘ to the beginning of a word changes its meaning to indicate the absence or opposite of something. For example, ‘sense’ becomes ‘nonsense,’ which means something that does not make sense. Encourage students to brainstorm and share words that start with ‘non-‘ and discuss their meanings. This can include words like ‘nonstop’ meaning without any stops or ‘nonfiction’ meaning not fiction, but real. Have students create sentences using ‘non-‘ words to demonstrate their understanding of the concept in a practical context. This activity will help solidify their grasp of how prefixes alter word meanings and enhance their vocabulary.

Using Prefixes to Change Meaning – Prefixes alter word meanings – ‘happy’ to ‘unhappy’ changes the emotion – Compare sentences with/without prefixes – ‘I am certain’ vs. ‘I am uncertain’ – Practice writing with prefixes – Write sentences using ‘un-‘, ‘dis-‘, ‘in-‘, ‘im-‘, ‘non-‘ – Understand impact on sentence meaning | This slide introduces the concept of prefixes and how they can completely change the meaning of a word, thus altering the entire sentence. Start by explaining that prefixes are added to the beginning of words to form new words with opposite or different meanings. Show examples of sentences with and without prefixes to illustrate the change in meaning. For the practice activity, encourage students to write their own sentences using words with the prefixes ‘un-‘, ‘dis-‘, ‘in-‘, ‘im-‘, and ‘non-‘. This will help them understand how prefixes affect word meaning and how to use them in context. Provide guidance and examples for each prefix, and ensure that students grasp the concept of negation or reversal of meaning that these prefixes often indicate.

Prefixes Game: Prefix Match-up! – Engage in ‘Prefix Match-up’ game – Match words to the right prefix – un-, dis-, in-, im-, non- are prefixes to add to words – Pair up and discover words – Work together to find words like ‘unhappy’ or ‘dislike’ – Aim for the most correct matches – The pair with most correct words wins! | This slide introduces a classroom activity called ‘Prefix Match-up’ where students work in pairs to match a list of base words with the appropriate prefixes: un-, dis-, in-, im-, and non-. The goal is to reinforce the concept of prefixes and how they alter the meaning of the base words. Provide students with a list of base words and a set of prefix cards. Encourage collaboration as they discuss and decide on the correct prefix for each word. This activity promotes teamwork and critical thinking. Keep score of the number of correct matches to add a competitive element. Possible variations of the game could include a timed challenge, using the matched words in sentences, or creating a story using a certain number of prefixed words.

Class Activity: Prefix Hunt – Search for prefix-worthy objects – Write the word and prefixed form – Share and explain meanings – For example, ‘happy’ to ‘unhappy’ changes the meaning to its opposite – Understand how prefixes alter words – Prefixes like ‘un-‘, ‘dis-‘, and ‘non-‘ often negate or reverse a word’s meaning | This activity is designed to help students recognize and understand the use of prefixes in language. Students will search the classroom or school to find objects or concepts that could have a prefix added to their names. They will then write down the original word alongside its prefixed form and share their findings with the class, explaining how the prefix changes the word’s meaning. For example, ‘lock’ with the prefix ‘un-‘ becomes ‘unlock,’ meaning to open. Teachers should guide the students to understand that prefixes like ‘un-‘, ‘dis-‘, ‘in-‘, ‘im-‘, and ‘non-‘ can alter the meaning of words, often negating them. This exercise will enhance their vocabulary and comprehension of how prefixes affect word meaning. Possible activities include finding opposites with ‘un-‘, turning actions into their negative form with ‘dis-‘, or discussing non-existence with ‘non-‘.

Wrapping Up: Prefix Power! – Review of today’s prefixes – Remember: un-, dis-, in-, im-, non- – Homework: Craft a prefix story – Write a creative story using new words – Use 10 words with prefixes – Include words like ‘unlikely’, ‘disappear’, ‘nonstop’ – Share your stories next class | As we conclude today’s lesson, it’s important to recap the prefixes we’ve learned: un-, dis-, in-, im-, and non-. For homework, students are tasked with writing a short story that includes at least 10 words with these prefixes. This activity will help reinforce their understanding of the prefixes and how they change the meanings of words. Encourage creativity and the use of a variety of prefixes. In the next class, we’ll have a sharing session where students can present their stories and discuss the words they chose. This will also be an opportunity for peer learning and for students to see how the same prefixes can be used in different contexts.