Adding un-: Happy to Unhappy — Answers
Answer sheet with model answers and success criteria for the Year 1 vocabulary worksheet.
Success TutoringWorksheetsAnswer sheetYear 1 · English · VocabularyAdding un-: Happy to Unhappy — Answers
Part A: Add un-
Put un in front of the word. Write the new word.
1.un + happy = (answer space)
Answer: unhappy
2.un + lock = (answer space)
Answer: unlock
3.un + kind = (answer space)
Answer: unkind
4.un + pack = (answer space)
Answer: unpack
Part B: What does it mean?
Circle what the word means.
5.unhappy means…
- Avery happy
- Bnot happy
- Chappy again
Answer: not happy
un- means not, so unhappy means not happy.
6.unsafe means…
- Anot safe
- Bvery safe
- Csafe again
Answer: not safe
unsafe means not safe.
7.untie means…
- Atie it tight
- Btie it again
- Cundo the tie
Answer: undo the tie
untie is the opposite of tie: you undo it.
Part C: Finish the sentence
Circle the un- word that makes sense.
8.Please (answer space) the door with the key.
- Aunkind
- Bunlock
- Cunpack
Answer: unlock
You unlock a door with a key.
9.It is (answer space) to hit.
- Aunkind
- Buntie
- Cunlock
Answer: unkind
Hitting is unkind.
10.I (answer space) my bag after the trip.
- Aunsafe
- Bunhappy
- Cunpack
Answer: unpack
You unpack a bag after a trip.
Part D: Your turn
11.Write a sentence with an un- word.
Model answer: e.g. The cat was unhappy in the rain. I untie my shoes.
Success criteria:
- The sentence uses a real un- word
- The un- word is used with the right meaning
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.