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Worksheet6th GradeLevel 3 · Challenge

Free 6th Grade Suffixes: -ful, -less, -ly, -ness, -ment Worksheet — Level 3

Add a suffix to the end of a word, learn what -ful and -less mean, and spell words where the base word changes (happy → happiness). A challenge set with trickier and irregular words. This 6th Grade worksheet has 12 questions and comes with a full answer sheet with a tip for every question.

Need more practice? Practice Set 2 · Practice Set 3 · Practice Set 4 — same skill, fresh questions, full answers.

Instant download · No sign-up · Free for personal, classroom and homeschool use

Grade
6th Grade
Subject
English
Topic
Spelling Patterns & Rules
Difficulty
Level 3 · Challenge
Estimated time
10 minutes
Curriculum
Texas grade levels (TEKS)
Questions
12
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practice

  • adding suffixes
  • changing y to i before a suffix
  • spelling longer words

Curriculum: Texas grade levels (TEKS). We show specific outcome codes only where they have been verified against the official curriculum document.

What's next?

Completed: 6th Grade Suffixes: -ful, -less, -ly, -ness, -ment Worksheet — Level 3

  1. 16th Grade Homophones in Sentences Worksheet — Level 1
  2. 26th Grade Homophones in Sentences Worksheet — Level 2
  3. 36th Grade Homophones in Sentences Worksheet — Level 3
← Easier: Level 2 · Standard

How to use this worksheet

  1. Print the PDF or complete it on screen. Write the student's name and date at the top.
  2. Read the instructions for each part together before starting. Encourage working to be shown.
  3. Mark with the answer sheet. Use the model answers and success criteria as a guide rather than a single right answer.
  4. Record the score, celebrate what went well, then follow the "What's next" suggestion.

Common questions

Who is this worksheet for?

6th Grade students (typically ages 11–12) working on spelling patterns & rules. It is pitched at level 3 · challenge; an easier version is linked above.

Are the answers included?

Yes. The PDF includes a full answer sheet with model answers and success criteria where there is more than one good answer. You can also view the answers online.

How long does it take?

About 10 minutes for 12 questions. Short, regular sessions work best: two or three a week beats one long one.

Do I need to sign up to download?

No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.

What should we do next?

Try 6th Grade Homophones in Sentences Worksheet — Level 1.

Preview

Success TutoringWorksheets6th Grade · English · Spelling Patterns & Rules

6th Grade Suffixes: -ful, -less, -ly, -ness, -ment Worksheet — Level 3

Name

Date

Score /

Add the suffix. Watch out: if the word ends in a consonant and y, change the y to i first.

1.happy + ness = (answer space)
2.happy + ly = (answer space)
3.end + less = (answer space)
4.argue + ment = (answer space)
5.merry + ment = (answer space)
6.plenty + ful = (answer space)
7.slow + ly = (answer space)
8.empty + ness = (answer space)
9.ugly + ness = (answer space)
10.pity + ful = (answer space)
11.mercy + less = (answer space)
12.dark + ness = (answer space)
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Preview — the PDF contains the full resource and answer sheet.

More 6th Grade spelling patterns & rules resources

  • Worksheet

    6th Grade Suffixes: -ful, -less, -ly, -ness, -ment Worksheet — Level 1

    Add a suffix to the end of a word, learn what -ful and -less mean, and spell words where the base word changes (happy → happiness). Starts…

    Difficulty
    Level 1 · Easier
    Time
    10 min
    Questions
    12 questions
    Answers
    Answers included
  • Worksheet

    6th Grade Suffixes: -ful, -less, -ly, -ness, -ment Worksheet — Level 2

    Add a suffix to the end of a word, learn what -ful and -less mean, and spell words where the base word changes (happy → happiness).…

    Difficulty
    Level 2 · Standard
    Time
    10 min
    Questions
    12 questions
    Answers
    Answers included

Spelling Patterns & Rules in other year levels

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About this resource

Created by
Success Tutoring English Team
Reviewed by
Success Tutoring
Last reviewed
1 October 2026
How it was made
Generated by checked procedures

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