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Cover of -ous- Suffix Spelling Practice (our to or) — Cover and first page

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Year 4Spelling & Grammar

-ous- Suffix Spelling Practice (our to or)

4.812 reviews

A Year 4 worksheet for practising -ous suffixes where -our becomes -or . Includes humorous , vigorous , and glamorous with pictures and spelling guidance.

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Fully editable Word or PowerPoint file
Differentiated three ways
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About this resource

Year 4 Spelling Practice – Suffix -ous (Changing -our to -or ) Help your Year 4 pupils explore more advanced suffix rules with this spelling worksheet focusing on words where -our is changed to -or before adding the suffix -ous . This resource highlights an important pattern in adjective formation and offers visual support to reinforce spelling retention. Target words: vigorous humorous glamorous Pupils will: Read the words Cover them Write the correct spelling under the matching image Underline the key spelling focus Spelling rule included: “The suffix –ous: sometimes the root word is obvious and follows usual rules. When the root ends in -our , it changes to -or before adding -ous .” This worksheet helps children recognise suffix patterns, apply rules with confidence, and deepen their understanding of word formation. Perfect for: Year 4 grammar and spelling lessons Vocabulary extension and suffix practice Visual learners and independent work Homework or reinforcement tasks What’s included: One PDF worksheet featuring three -ous words Picture prompts to aid comprehension A clear explanation of the -our to -or rule A valuable addition to your collection of suffix-focused spelling resources.Read more

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What you get, 2 files

PDFActivityPrint and go.
PPTXActivity, editableEditable, so you can change the numbers or the names.

The standard small step pack, as her own modules ship it. We do not print page counts here, because her catalogue does not publish them and a guessed number is worse than none.

★★★ Differentiated three ways

Working towardsScaffolded, with the model or the bar already drawn.
Working withinThe expected standard for the year group.
Greater depthReasoning and explaining, not just more of the same.

Her own system, with the star count repeated in every worksheet header so a child can be handed the right sheet without a word.

What teachers said after they used it

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4.812 verified reviewsWe ask once, seven days after the download, and one tap is enough.

Beth NightingaleYear 1 teacher, Poplar Farm School, GranthamVerified download, 13 January 2026

“Fine, though the font is small for my class.”

The maths is right and the sequence is sensible. Several of my children needed it enlarged to A3, which is easy enough but worth knowing before you print thirty.

4 teachers found this helpful

Joanne PicklesYear 3 teacher, Crossflatts Primary, BingleyVerified download, 5 March 2026

“Printed it at eight on a Sunday and taught it on the Monday.”

No editing, no reformatting, no hunting for the answers. The three levels are on separate pages, which sounds obvious until you have used the sites where they are not.

10 teachers found this helpful

Michael FerrisMaths lead, Cheadle Heath Primary, StockportVerified download, 16 February 2026

“Matches our White Rose planning almost week for week.”

I stopped adapting things from three different sites and now start here. The odd week does not line up exactly, but the small step it covers is always somewhere in the same block.

8 teachers found this helpful