EnglishAges 13-15

Prefixes & root words

Combine prefixes with root words and explain how the prefix changes the meaning. Review suitability for your learners before teaching.

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Age band:Ages 10-12 Ages 13-15

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Worksheet StudioPractice pack · Ages 13-15

Prefixes & root words

Take your time. Show your thinking.

1. Add the suffix “-less” (meaning “without”) to “care”. Write the new word.
“-less” · “without” · Prefixes & root words
2. Add the prefix “mis-” (meaning “wrongly”) to “spell”. Write the new word.
“mis-” · “wrongly” · Prefixes & root words
3. Add the suffix “-ful” (meaning “full of”) to “grace”. Write the new word.
“-ful” · “full of” · Prefixes & root words
4. Add the prefix “mis-” (meaning “wrongly”) to “understand”. Write the new word.
“mis-” · “wrongly” · Prefixes & root words
5. Add the prefix “inter-” (meaning “between”) to “national”. Write the new word.
“inter-” · “between” · Prefixes & root words
6. Add the prefix “pre-” (meaning “before”) to the root word “view”. Write the new word.
“pre-” · “before” · Prefixes & root words
7. Add the prefix “super-” (meaning “above” or “beyond”) to “natural”. Write the new word.
“super-” · “above” · Prefixes & root words
8. Add the prefix “re-” (meaning “again”) to the root word “build”. Write the new word.
“re-” · “again” · Prefixes & root words
9. Add the suffix “-less” (meaning “without”) to “fear”. Write the new word.
“-less” · “without” · Prefixes & root words
10. Add the suffix “-ment” (forming an action or result noun) to “improve”. Write the new word.
“-ment” · “improve” · Prefixes & root words
11. Add the prefix “pre-” (meaning “before”) to “heat”. Write the new word.
“pre-” · “before” · Prefixes & root words
12. Add the suffix “-ness” (forming a quality noun) to “bright”. Write the new word.
“-ness” · “bright” · Prefixes & root words

12 questions · Seed 49 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 13-15

Prefixes & root words

Answers and reasoning. Review before teaching.

1. Add the suffix “-less” (meaning “without”) to “care”. Write the new word.
careless
care + -less = careless.
2. Add the prefix “mis-” (meaning “wrongly”) to “spell”. Write the new word.
misspell
mis- + spell = misspell, retaining both s letters.
3. Add the suffix “-ful” (meaning “full of”) to “grace”. Write the new word.
graceful
grace + -ful = graceful.
4. Add the prefix “mis-” (meaning “wrongly”) to “understand”. Write the new word.
misunderstand
mis- + understand = misunderstand, meaning to understand wrongly.
5. Add the prefix “inter-” (meaning “between”) to “national”. Write the new word.
international
inter- + national = international, meaning between nations.
6. Add the prefix “pre-” (meaning “before”) to the root word “view”. Write the new word.
preview
pre- + view = preview, meaning to view beforehand.
7. Add the prefix “super-” (meaning “above” or “beyond”) to “natural”. Write the new word.
supernatural
super- + natural = supernatural.
8. Add the prefix “re-” (meaning “again”) to the root word “build”. Write the new word.
rebuild
re- + build = rebuild, meaning to build again.
9. Add the suffix “-less” (meaning “without”) to “fear”. Write the new word.
fearless
fear + -less = fearless, meaning without fear.
10. Add the suffix “-ment” (forming an action or result noun) to “improve”. Write the new word.
improvement
improve + -ment = improvement.
11. Add the prefix “pre-” (meaning “before”) to “heat”. Write the new word.
preheat
pre- + heat = preheat, meaning to heat beforehand.
12. Add the suffix “-ness” (forming a quality noun) to “bright”. Write the new word.
brightness
bright + -ness = brightness.

12 questions · Seed 49 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

Prefixes & root words

Take your time. Show your thinking.

1. Add the suffix “-less” (meaning “without”) to “care”. Write the new word.
“-less” · “without” · Prefixes & root words
2. Add the prefix “mis-” (meaning “wrongly”) to “spell”. Write the new word.
“mis-” · “wrongly” · Prefixes & root words
3. Add the suffix “-ful” (meaning “full of”) to “grace”. Write the new word.
“-ful” · “full of” · Prefixes & root words
4. Add the prefix “mis-” (meaning “wrongly”) to “understand”. Write the new word.
“mis-” · “wrongly” · Prefixes & root words
5. Add the prefix “inter-” (meaning “between”) to “national”. Write the new word.
“inter-” · “between” · Prefixes & root words
6. Add the prefix “pre-” (meaning “before”) to the root word “view”. Write the new word.
“pre-” · “before” · Prefixes & root words
7. Add the prefix “super-” (meaning “above” or “beyond”) to “natural”. Write the new word.
“super-” · “above” · Prefixes & root words
8. Add the prefix “re-” (meaning “again”) to the root word “build”. Write the new word.
“re-” · “again” · Prefixes & root words
9. Add the suffix “-less” (meaning “without”) to “fear”. Write the new word.
“-less” · “without” · Prefixes & root words
10. Add the suffix “-ment” (forming an action or result noun) to “improve”. Write the new word.
“-ment” · “improve” · Prefixes & root words
11. Add the prefix “pre-” (meaning “before”) to “heat”. Write the new word.
“pre-” · “before” · Prefixes & root words
12. Add the suffix “-ness” (forming a quality noun) to “bright”. Write the new word.
“-ness” · “bright” · Prefixes & root words

12 questions · Seed 49 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

Prefixes & root words

Answers and reasoning. Review before teaching.

1. Add the suffix “-less” (meaning “without”) to “care”. Write the new word.
careless
care + -less = careless.
2. Add the prefix “mis-” (meaning “wrongly”) to “spell”. Write the new word.
misspell
mis- + spell = misspell, retaining both s letters.
3. Add the suffix “-ful” (meaning “full of”) to “grace”. Write the new word.
graceful
grace + -ful = graceful.
4. Add the prefix “mis-” (meaning “wrongly”) to “understand”. Write the new word.
misunderstand
mis- + understand = misunderstand, meaning to understand wrongly.
5. Add the prefix “inter-” (meaning “between”) to “national”. Write the new word.
international
inter- + national = international, meaning between nations.
6. Add the prefix “pre-” (meaning “before”) to the root word “view”. Write the new word.
preview
pre- + view = preview, meaning to view beforehand.
7. Add the prefix “super-” (meaning “above” or “beyond”) to “natural”. Write the new word.
supernatural
super- + natural = supernatural.
8. Add the prefix “re-” (meaning “again”) to the root word “build”. Write the new word.
rebuild
re- + build = rebuild, meaning to build again.
9. Add the suffix “-less” (meaning “without”) to “fear”. Write the new word.
fearless
fear + -less = fearless, meaning without fear.
10. Add the suffix “-ment” (forming an action or result noun) to “improve”. Write the new word.
improvement
improve + -ment = improvement.
11. Add the prefix “pre-” (meaning “before”) to “heat”. Write the new word.
preheat
pre- + heat = preheat, meaning to heat beforehand.
12. Add the suffix “-ness” (forming a quality noun) to “bright”. Write the new word.
brightness
bright + -ness = brightness.

12 questions · Seed 49 · Age guidance, not curriculum certification