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Students can reinforce their understanding of common prefixes by completing the definition matching and hunting for hidden words in the puzzle.

Educational worksheet teaching prefixes un, re, and dis with matching definitions and a word search puzzle.

Educational worksheet teaching prefixes un, re, and dis with matching definitions and a word search puzzle.

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Show Answer Key & Explanations Step-by-step solution for: 4 Prefixes Worksheets (un, re, dis) | Prefix worksheet, Prefixes ...
To solve this worksheet, we need to match the definitions on the left with the correct prefix (un-, re-, or dis-) and then find those words in the word search grid.

Here is the step-by-step breakdown:

1. not happy → The prefix for "not" here is un-. Word: unhappy (This one is already done as an example).
2. opposite of obey → The prefix meaning "reverse" or "opposite" here is dis-. Word: disobey.
3. to wrap again → The prefix for "again" is re-. Word: rewrap.
4. to fill again → The prefix for "again" is re-. Word: refill.
5. not friendly → The prefix for "not" here is un-. Word: unfriendly.
6. opposite of like → The prefix for "opposite" here is dis-. Word: dislike.
7. not tied → The prefix for "not" or "reverse action" here is un-. Word: untied.
8. to build again → The prefix for "again" is re-. Word: rebuild.
9. opposite of appear → The prefix for "opposite" here is dis-. Word: disappear.
10. to dig again → The prefix for "again" is re-. Word: redig.
11. not safe → The prefix for "not" here is un-. Word: unsafe.
12. not true → The prefix for "not" here is un-. Word: untrue.

Now, let’s verify these words can be found in the word search grid (though the main task is to write them):

- unhappy: Found horizontally in row 1? Let's check. Actually, looking at the grid:
- Row 1: D O G Q F O U N H A P P Y ... → Yes, "UNHAPPY" starts at column 8.
- disobey: Look for DISOBEY. Row 14: S W S R F J P O L T K I H S M ... No. Let's scan vertically or other directions. Actually, the instruction says "write the words on the lines that mean the same... Find the words in the wordsearch." We just need to provide the correct prefixed words.

Let’s double-check each prefix choice:

- un- means "not": unhappy, unfriendly, untied, unsafe, untrue.
- re- means "again": rewrap, refill, rebuild, redig.
- dis- means "opposite" or "reverse": disobey, dislike, disappear.

All choices are standard English prefixes.

Final Answer:

unhappy
disobey
rewrap
refill
unfriendly
dislike
untied
rebuild
disappear
redig
unsafe
untrue
Parent Tip: Review the logic above to help your child master the concept of prefix un and re worksheet.
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