Explanation:
We need to fill in each blank with the
antonym (opposite word) of the underlined word in the sentence. A list of possible words is given at the top:
big, long, hard, wet, clean, win, off, fat, warm, stop
Let’s go through each sentence one by one:
1. *We filled the blue pail with the small marbles and the red pail with the ________ marbles.*
Underlined word:
small → Opposite =
big
✔ Answer:
big
2. *My sister was very dirty after playing in the mud, but after her bath, she was nice and ________.*
Underlined word:
dirty → Opposite =
clean
✔ Answer:
clean
3. *My mommy had to dry my coat because the rain made it all ________.*
Underlined word:
dry → Opposite =
wet
✔ Answer:
wet
4. *When I first saw the lamb, it was thin, but now that it is winter, it has become very ________.*
Underlined word:
thin → Opposite =
fat
✔ Answer:
fat
5. *When the light is green, cars can go, but when it turns red, cars must ________.*
Underlined word:
go → Opposite =
stop
✔ Answer:
stop
6. *Bobby likes to ________, and doesn’t like to lose.*
Underlined word:
lose → Opposite =
win
✔ Answer:
win
7. *During Autumn, the weather can be quite cool, but in Spring it might get pretty ________.*
Underlined word:
cool → Opposite =
warm
✔ Answer:
warm
8. *Building this ship in a bottle looks ________, but my dad said it would be easy.*
Underlined word:
easy → Opposite =
hard
✔ Answer:
hard
9. *The worm my sister caught was short, but the snake I caught was ________.*
Underlined word:
short → Opposite =
long
✔ Answer:
long
10. *Kate and Tom know they are supposed to turn the lights ________, but they always leave them on.*
Underlined word:
on → Opposite =
off
✔ Answer:
off
Now double-check all answers against the word bank — all 10 words are used exactly once, and all match antonyms correctly.
Final Answer:
1. big
2. clean
3. wet
4. fat
5. stop
6. win
7. warm
8. hard
9. long
10. off
Parent Tip: Review the logic above to help your child master the concept of antonyms worksheet 4th grade.
