Introducing Prefixes

Activity 1
Introducing Prefixes

Purpose
To be able to understand and use prefixes

Material
One lace up show with he lace untied
One slip on show
Prepared label: tie (printed in black)
Prepared labels for the prefixes: re, un, pre (preferably printed in red)
Headings that read: Prefix (printed in red) and Root (printed in black).
Language Arts journals and pencils

Presentation
Most -Montessori teachers introduce this topic in Year 1 and review it in Year 2.

Invite a small group of students together around a mat.

Announce to the students that today they will learn another way to make new words.

Please the lace-up shoe on the mat and then invite the student to discuss the shoe.

Placed the slip on shoe on the mat. Encourage the students to tell you the difference between the two shoes. At one point, the students will likely come in at the list of shoe has a shoelace to tie. (Tie is the root word).

Invited Student to tie the shoelace. Place the label with the word “tie” waiting on it to the left of the shoe (from the student viewpoint), reminding the students that you have to tie a shoelace.

Tug on the shoelace so that the shoelace comes undone. Invite the students to describe what you just did. They will likely say that you untied the shoelace.

Place the prefix “un” in front of the word “tie.”

Announce that before you take of a shoe, you must untie the shoelace.

Define and discuss the words “prefix” and “root.” Explain to the students that sometimes a root is a complete word, and sometimes it is a part of a word.

Invite a student to read aloud the word “untie”.

Take away the prefix “un” and replace it with the word “re.”

Place the heading, “Prefix,” above the prefixes on the mat and the heading “Root,” love the word “tie.”

Remind the students that prefixes always come before a root word, because “pre” in the word prefix means before.

Ask the students to write in their journals a sentence using each prefix.

Extensions
Play a command game, such as Simon Says, but employ only commands that can use prefixes. Examples: untie your shoelaces, go outside, rearrange the letters.

Find ten examples of prefixes in the vocabulary words in other subjects. Examples: peroxide (science), stratosphere (geography), and subtract (mathematics). Make a list for each subject and add to them regularly.

Think of a prefix and write a list of ten or more words that use that prefix. Use a timer to challenge yourself to think quickly.

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