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Know Your Suffixes: Make Adjectives into Nouns 1

In this worksheet, students practise changing adjectives into nouns by adding the suffixes -ness and -ity.

'Know Your Suffixes: Make Adjectives into Nouns 1' worksheet

Key stage:  KS 2

Curriculum topic:   Reading: Word Reading

Curriculum subtopic:   Root Word Awareness

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

A suffix is a letter or a group of letters added to the end of a word. Using a suffix lets us make new words.

for example: sad + ness = sadness sad

 

The suffix ness is used to change many adjectives (describing words) into nouns (naming words).

 

for example: thick + ness = thickness

The book Kate was reading was very thick. (adjective)

Do you know the thickness of this piece of wood? (noun)

 

If the adjective ends in 'y' then it needs to be changed to 'i' before ness is added.

happy + ness = happiness

 

The suffix ity can also be used to change adjectives into nouns.

 for example: similar + ity = similarity

The twins were very similar. (adjective)

The teacher thought that Paul had copied Jack because there was a great similarity between their answers. (noun)

 

If an adjective ends in 'e' then the 'e' needs to be dropped before ity is added.

pure + ity = purity

Write the new word that is formed when you add the suffix ness to the following adjective.

 

mad

Write the new word that is formed when you add the suffix ness to the following adjective.

 

fit

Write the new word that is formed when you add the suffix ness to the following adjective.

 

lonely

 

Tip: Think about the last letter!

Write the new word that is formed when you add the suffix ity to the following adjective.

 

real

Write the new word that is formed when you add the suffix ity to the following adjective.

 

mature

 

Tip: Think about the last letter!

For the next five questions you need to read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

Katie was very agile so she was good at gymnastics. 

 

The competition judges were impressed by Katie's __________.

 

(The suffix you need is ity.)

 

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

The puppy was very playful.

 

The __________ of the puppy made the children laugh.

 

(The suffix you need is ness.)

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

The custard was very lumpy

 

'I'm sorry about the __________ of the custard,' apologised Mum.

 

(The suffix you need is ness.)

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

Micky's punishment for breaking the window was very severe.

 

Micky was shocked at the __________ of his punishment.

 

(The suffix you need is ity.)

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

Joe couldn't go to the party because he was ill.

 

The children were disappointed that Joe had to miss the party because of his __________.

 

(The suffix you need is ness.)

  • Question 1

Write the new word that is formed when you add the suffix ness to the following adjective.

 

mad

CORRECT ANSWER
madness
EDDIE SAYS
'It was madness to let a baby eat all that ice cream before dinner time!'
  • Question 2

Write the new word that is formed when you add the suffix ness to the following adjective.

 

fit

CORRECT ANSWER
fitness
EDDIE SAYS
'You must eat a healthy diet and maintain a good level of fitness'.
  • Question 3

Write the new word that is formed when you add the suffix ness to the following adjective.

 

lonely

 

Tip: Think about the last letter!

CORRECT ANSWER
loneliness
EDDIE SAYS
How did you get on? Remember to drop the letter y from the end and add an i before the -ness.
  • Question 4

Write the new word that is formed when you add the suffix ity to the following adjective.

 

real

CORRECT ANSWER
reality
EDDIE SAYS
'It was such a fantastic idea, but in reality, it's just not going to work!'
  • Question 5

Write the new word that is formed when you add the suffix ity to the following adjective.

 

mature

 

Tip: Think about the last letter!

CORRECT ANSWER
maturity
EDDIE SAYS
Remember to drop the e before you add the -ity. 'She had demonstrated a great attitude and real maturity.'
  • Question 6

For the next five questions you need to read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

Katie was very agile so she was good at gymnastics. 

 

The competition judges were impressed by Katie's __________.

 

(The suffix you need is ity.)

 

CORRECT ANSWER
agility
EDDIE SAYS
How are you getting on so far? Remember to drop the e before adding -ity.
  • Question 7

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

The puppy was very playful.

 

The __________ of the puppy made the children laugh.

 

(The suffix you need is ness.)

CORRECT ANSWER
playfulness
EDDIE SAYS
You're doing a great job! You didn't need to take any letters away this time, just simply add -ness at the end!
  • Question 8

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

The custard was very lumpy

 

'I'm sorry about the __________ of the custard,' apologised Mum.

 

(The suffix you need is ness.)

CORRECT ANSWER
lumpiness
EDDIE SAYS
I wonder if Mum's lumpy custard is tasty? Remember we need to drop the y and add i before we put on the suffix -ness.
  • Question 9

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

Micky's punishment for breaking the window was very severe.

 

Micky was shocked at the __________ of his punishment.

 

(The suffix you need is ity.)

CORRECT ANSWER
severity
EDDIE SAYS
We drop the e before we add the suffix -ity. Keep up the hard work!
  • Question 10

Read the sentences and then change the underlined adjective into a noun to complete the second sentence. Write the new word in the box.

 

Joe couldn't go to the party because he was ill.

 

The children were disappointed that Joe had to miss the party because of his __________.

 

(The suffix you need is ness.)

CORRECT ANSWER
illness
EDDIE SAYS
Poor Joe, maybe they will send him a slice of birthday cake. With this word, we can simply add the suffix -ness at the end!
---- OR ----

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