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Un-Believable Words!

A Grade 1 ELA worksheet focusing on understanding and using the prefix 'un-' to change word meanings.

Grade 1 ELA GrammarPhonicsWord PatternsPrefix 'Un-'
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Includes

Fill in the BlanksMultiple ChoiceTrue / FalseShort AnswerText

Standards

CCSS.ELA-LITERACY.RF.1.3.CCCSS.ELA-LITERACY.L.1.4.B

Topics

ELAGrade 1PrefixesUn-VocabularyPhonics
7 sections · Free to use · Printable
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Un-Believable Words!

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The prefix 'un-' means 'not' or 'opposite of'. When you add 'un-' to the beginning of a word, it changes the meaning! Read each question carefully and do your best.

1. The prefix 'un-' means  .

2. If something is 'unhappy', it means it is   happy.

3. What does 'untie' mean?

a

to tie again

b

to not tie

c

to tie quickly

d

to tie loosely

4. If a box is 'unlocked', what happened to it?

a

It was locked.

b

It was opened.

c

It was put away.

d

It was broken.

5. 'Unkind' means the same as 'nice'.

T

True

F

False

6. If a shoe is 'unlaced', it means the laces are tied.

T

True

F

False

7. Add 'un-' to the word 'happy'. Write the new word and its meaning.

8. Add 'un-' to the word 'pack'. Write the new word and its meaning.

Read the story below. Find and circle all the words that start with 'un-'.

Lily was so excited for her birthday party! But when she woke up, the sky was dark and it began to rain. "Oh no!" she thought. "This is an unhappy day." She felt a little unkind for being sad, but she really wanted to play outside. Her mom saw her frown. "Don't be unhappy, Lily! We can still have fun inside," she said. Mom helped Lily unpack her new toys. Soon, Lily was not unhappy anymore. She was having an unbelievable time!