Let’s go step by step.
The task is to add the suffix
“ful” to each given root word and write the new word in the blank. The rule says: adding “ful” changes a noun into an adjective meaning “full of” that thing.
We’ll take each sentence, look at the root word in parentheses, add “ful”, and make sure it makes sense in the sentence.
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1. My sister brought an ________ of dolls into her room.
Root:
arm →
armful (meaning: as much as can be held in your arms)
✔️ Makes sense — she carried many dolls.
2. Nana seemed very ________ with her family around.
Root:
cheer →
cheerful (meaning: full of cheer or happiness)
✔️ Perfect — happy when family is near.
3. Our new puppy, Max, is very ________.
Root:
play →
playful (meaning: full of play, likes to play)
✔️ Yes — puppies are often playful.
4. Dad allowed me to take one, big ________ of ice cream.
Root:
scoop →
scoopful (meaning: as much as fits in a scoop)
✔️ Correct — common phrase for ice cream servings.
5. Mom and dad taught us that it is important to be ________.
Root:
truth →
truthful (meaning: telling the truth, honest)
✔️ Yes — being truthful is a good value.
6. Our children thought the play last night was ________.
Root:
wonder →
wonderful (meaning: full of wonder, amazing)
✔️ Great fit — they loved the play.
7. Sue’s painting of a clown eating an ice cream cone was ________.
Root:
color →
colorful (meaning: full of colors, bright)
✔️ Makes sense — paintings with lots of color are colorful.
8. After trick-or-treating, George took a ________ of candy.
Root:
hand →
handful (meaning: as much as you can hold in your hand)
✔️ Right — kids grab handfuls of candy!
9. Baby Charlie ate a big ________ of strained carrots.
Root:
mouth →
mouthful (meaning: as much as fits in your mouth)
✔️ Yes — babies eat mouthfuls of food.
10. When I fell off of my bike onto the rocks, it was very ________.
Root:
pain →
painful (meaning: full of pain, hurting)
✔️ Exactly — falling hurts!
All answers check out logically and grammatically.
Final Answer:
1. armful
2. cheerful
3. playful
4. scoopful
5. truthful
6. wonderful
7. colorful
8. handful
9. mouthful
10. painful
Parent Tip: Review the logic above to help your child master the concept of suffix ful worksheet.
