Super Teacher Worksheets

3rd Grade Spelling Unit C-21

The words for 3rd grade spelling Unit C-21 are all words that end in -ar, -er, -ir, and -or. List: swimmer, caterpillar, mayor, teacher, worker, inventor, nectar, horror, vinegar, author, dollar, humor, visitor, refrigerator, clever, sailor, and singer.

Spelling Worksheets - 3rd Grade - Unit 21

Spelling List

All of these words have the ending -er, -or, or -ar. Word list includes: swimmer, mayor, clever, horror, inventor, nectar, sailor, dollar, singer, teacher, worker, author, humor, vinegar, and visitor.
3rd Grade
Common Core
Preview File
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Read each sentence carefully. If you see a spelling error, circle the misspelled word and spell it correctly on the line.
3rd Grade
Can you solve this spelling crossword puzzle using all the words from unit 21?
3rd Grade
Unscramble the words from this week's list.
3rd Grade
Write each spelling word twice in your neatest cursive or print handwriting.
3rd Grade
Find the spelling words hidden in the puzzle.
3rd Grade
On this grid, students can write their spelling words across, down, or diagonally. Fill in the empty squares to make a word search puzzle for a friend to solve.
3rd Grade
Students will practice typing their spelling words by using this printable typing activity.
3rd Grade

Flashcards and
Word Wheels

This word wheel can be printed on card stock and assembled with a paper fastener. Use it for peer study groups or spelling games.
3rd Grade
These flash cards can be used for word study sorts or other spelling games.
3rd Grade

Alphabetical Order

Write each word group alphabetically on the lines provided.
3rd Grade
Write all spelling words (including challenge words) alphabetically in a list.
3rd Grade
Cut out the unit twenty-one spelling words, arrange them in alphabetical order, and use a glue stick to attach them to the page.
3rd Grade

Spelling Test

Here's the spelling test form for unit twenty-one.
3rd Grade
Here is a list of twenty sentences you can read aloud to your students as they take their spelling test for this unit.
3rd Grade

Master List

This PDF has all 38 third grade word lists on one file.

See Also:

C-22 Spelling Unit

This week's spelling Unit C-22 are all words with prefixes. List: disappear, rewrite, react, dislike, unable, reheat, uncomfortable, uncover, unbutton, unknown, replay, discourage, replace, until, disagree, dishonest, and rewind.

3rd Grade Spelling (All Units)

This page will link you to any unit in the third grade STW spelling series.

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Common Core Alignment