Using the suffix -ous
I can add the suffix -ous to root words.
Using the suffix -ous
I can add the suffix -ous to root words.
Lesson details
Key learning points
- The suffix -ous often turns nouns into adjectives and often means 'full of'.
- If the root word ends in 'ge', just add -ous.
- If the root word ends in 'e', remove the 'e', then add -ous.
- If the root word ends in 'our', change 'our' to 'or', then add -ous.
- How to spell the curriculum words: thought, purpose and suppose.
Common misconception
Children do not know the associated root words.
Ensure children understand the meaning of all root words used with the suffix -ous and practise saying them in sentences.
Keywords
Root word - the base word from which other words are formed often by adding prefixes or suffixes
Suffix - a letter or group of letters added to the end of a root word
Noun - a naming word for a person, place or thing
Adjective - describes a noun
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
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Starter quiz
6 Questions
-en
-ify
-ing
-ed
remove the 'e', add -ed
remove the 'y', add -ied
just add -ed
a harmful substance that can make you sick or cause death
a very tall hill
risk of harm or injury
something that's not known or understood
winning or being the best at something
very strong anger