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The Ending “ion” Spelling Rule

The "ion" Suffix Spelling Rule

The “ion” Ending Spelling Rule

One spelling pattern that drives kids and adults crazy is the “ion” suffix. Specifically, when do you spell “cian,” “sion,” and “tion.” The latter two spellings are especially confusing.

The Ending “ion” Spelling Rule

  1. If the suffix sounds like /shun/ and indicates a person, spell “cian” (musician).
  2. When a suffix sounds like /shun/ and follows an l or s, spell “sion” (expulsion, mission). Also, when the suffix sounds like /zyun/, spell “sion” (explosion).
  3. In all other cases, spell the /ion/ sound as “tion” (motion).

Exceptions to the rule: The “mit” root changes to “mis” and adds on “sion” instead of “tion.” Examples: commit-commission, permit-permission

Check out the song! The Ending “ion” Rule

Ending “ion” Twinkle

(to the tune of “Twinkle Twinkle Little Star”)

1. If the /shun/ sound you do hear

Twinkle, twinkle little star,

And it follows l or s.

How I wonder what you are.

Or if you, hear a /zyun/

Up above the world so high,

For both spell “s-i-o-n”.

Like a diamond in the sky.

Both these rules will serve you well,

Twinkle, twinkle little star,

Learning all the ways to spell.

How I wonder what you are.

2. When a person you describe,

Twinkle, twinkle little star,

You should spell “c-i-a-n.”

How I wonder what you are.

In most every other case,

Up above the world so high,

Simply spell “t-i-o-n”.

Like a diamond in the sky.

Both these rules will serve you well,

Twinkle, twinkle little star,

Learning all the ways to spell.

How I wonder what you are.

*****

Differentiated Spelling Instruction Grades 4-8

Differentiated Spelling Instruction

I’m Mark Pennington, author of the full-year Differentiated Spelling Instruction programs for grades 4, 5, 6, 7, and 8. The grade-level programs include weekly tests, based upon conventional spelling rules and developmental spelling patterns, weekly spelling sorts, review games, and audio links to catchy spelling songs. Additionally, the comprehensive diagnostic spelling assessment (audio file included) tests spelling patterns from previous grade levels, and the corresponding worksheets allow you to pinpoint instruction according to individual needs. Each worksheet includes a formative assessment to help you determine whether students have mastered the spelling instruction. The program is simple to implement and doesn’t take up too many valuable instructional minutes. You do have other subjects to teach!

FREE DOWNLOAD TO ASSESS THE QUALITY OF PENNINGTON PUBLISHING AMERICAN ENGLISH AND CANDADIAN ENGLISH SPELLING PROGRAMS. Check out these grades 4-8 programs HERE. Administer my FREE comprehensive Diagnostic Spelling Assessment with audio file and recording matrix. It has 102 words (I did say comprehensive) and covers all common spelling patterns and conventional spelling rules. It only takes 22 minutes and includes an audio file with test administration instructions. Once you see the gaps in your middle school students spelling patterns, you’re going to want to fill those gaps.

Get the The Ending ‘ion’ Spelling Rule FREE Resource:

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