UNIT
4
Lesson 3
Name
Date
Suffixes -ity and -less
Focus
You can add the suffix -ity to some adjectives. This ending
means “state of being.”
• -ity makes the word a noun.
• The boy was curious.
He acted with curiosity.
• If a word ends in e, drop the e.
Then, add -ity.
• Diamonds are rare.
They are a rarity.
You can add the suffix -less to some nouns. This ending means
“without” or “not having.”
• -less makes the word into an
adjective.
Circle the definition of each word below. Pay
attention to the word’s ending.
1. reality
a. the state of being real
b. not being real
2. creativity
a. not being creative
b. the state of being creative
3. endless
a. the state of ending
b. not having an end
4. noiseless
a. without noise
b. the state of being noisy
106
UNIT 4 • Lesson 3
Word Structure • Reteach
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Practice
• Sometimes I have hope, but
sometimes I feel hopeless.
UNIT
4
Lesson 3
Name
Date
Suffixes -ness and -sion
Focus
You can add the suffix -ness to some adjectives. This ending
means “state of being.”
• -ness changes the word into a
noun.
• I see the dark window.
Inside it there is darkness.
• If the word ends in y, change
the y to i before adding -ness.
• The girl is happy.
She is full of happiness.
You can add the suffix -sion to some verbs. This ending means
“the action of” something.
• -sion is another way of spelling
-tion. It changes words into
nouns.
• I will decide what to wear.
I will make a decision.
• Use the -sion spelling if a verb
ends in de or se. Drop de or se
before adding -sion.
• When I revise, I change my
writing.
I make a revision.
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reproduce this page for classroom use.
Practice
Follow the directions to make a word from
below.
division
lightness
laziness
collision
1. lazy – y + i + ness =
2. divide – de + sion =
3. collide – de + sion =
4. light + ness =
Reteach • Word Structure
UNIT 4 • Lesson 3
107
UNIT
4
Lesson 3
Name
Date
Selection Vocabulary
Focus
quarter moon n. phase
of the moon in which it
looks like a half circle
sliver n. a thin, narrow piece
crescent moon n. the curved
shape of the waxing or waning
moon
occur v. to happen
phases n. plural form of phase:
the appearance and shape of
the moon or a planet as it is
seen at a particular time
new moon n. the moon when
it cannot be seen or when it
appears as a thin crescent
Practice
Match each vocabulary word with its definition.
a. the ways a moon or planet can look
2. sliver
b. when the moon looks curved
3. quarter moon
c. when you cannot see the moon
4. phases
d. a thin piece of something
5. new moon
e. to happen
6. crescent moon
f. when you can see one-fourth of
the moon
108
UNIT 4 • Lesson 3
Vocabulary • Reteach
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1. occur
UNIT
4
Lesson 3
Name
Date
Compare and Contrast
Focus
Writers sometimes compare and contrast to make
ideas clearer or to make stories more interesting.
• Comparing means telling how
things, events, or characters
are alike.
• The moon is shaped like a
circle. (comparing the moon
and a circle)
• Contrasting means telling how
things, events, or characters
are different.
• The moon is near Earth, but
other planets are very far
away. (contrasting the moon
and other planets)
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Practice A
Read each sentence. Underline the two
things that are being compared.
1. Cheetahs and tigers are both cats.
2. A bird is like an airplane.
3. The sun is shaped like a ball.
4. Puppies are as playful as kittens.
5. Green beans and corn are both vegetables.
6. Flowers and weeds are both plants.
Reteach • Comprehension Skill
UNIT 4 • Lesson 3
109
UNIT
4
Lesson 3
Name
Practice B
Date
Read each sentence. Underline the two
things that are being contrasted.
7. A parakeet sings, but a parrot can speak.
8. A car goes faster than a bicycle.
9. A wagon is smaller than a truck.
10. Peas are green, but corn is yellow.
11. Apples are sweet, but lemons are sour.
12. My cat stays outside, but your cat stays inside.
Read the sentences below. Then, answer the questions.
13. Compare Betsy and Aia. What do they have in common?
14. Contrast Betsy and Aia. How are they different?
110
UNIT 4 • Lesson 3
Comprehension Skill • Reteach
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Betsy is tall. She likes to swim. She plays soccer.
Aia is tall. She does not swim. She plays soccer.
UNIT
Lesson 3
4
Name
Date
Spelling
The suffixes -ity and -ness mean “state of being.”
Focus
The suffix -less means “without.”
The suffix -sion means “the action of something.”
When adding the suffix -ity or -sion to words with a silent e,
drop the e and then add the suffix.
pure, purity
For base words that end in de, drop both the letter d and the
silent e before adding the suffix -sion.
divide, division
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Practice
Circle the word that is spelled correctly.
Write the correct spelling on the line.
tension
fitness
priceless
purity
1. fitness
fittness
2. erosion
erozion
3. purrity
purity
4. priceless
priseless
5. tensoin
tension
6. blindeness
blindness
Reteach • Spelling
erosion
blindness
UNIT 4 • Lesson 3
111
UNIT
4
Lesson 3
Name
Date
Adverbs
Focus
An adverb tells about other words. It can tell about a verb, an
adjective, or another adverb. Many adverbs end in -ly.
Examples: The music played slowly and quietly.
She jumped too quickly.
I dance and sing well.
Adverbs can tell
• how something is done. (“She ran quickly.”)
• where something happens. (“She ran there.”)
• when or for how long something happens. (“She often runs.”)
• how certain we are about something that happens.
(“She definitely will run.”)
Find and circle the adverb in each sentence
below.
1. She wrapped the present, and she tied the ribbon tightly.
2. I am tired, so I will definitely sleep.
3. The kitten purred softly because it was happy.
4. The boy ran swiftly to the store, but it was closed.
5. Snowflakes fell silently, and the ground was white.
6. The river flows here, and it is deep.
112
UNIT 4 • Lesson 3
Grammar, Usage, and Mechanics • Reteach
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Practice