Year 1 · English
Use The Prefix Un
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Focus on prefix un meaning not. Open support for “Understand and Spell Words with the Prefix un-”, then explain the idea in your own words.
Year 1 learners practise prefix un meaning not.
The activities include Understand and Spell Words with the Prefix un-. The checked support below includes teaching, worksheet, teaching-practice, video. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
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Watch it explained
watch a video explanation
Spelling Zone prefixes un- dis- in-
Best for: a clear explanation before you practise
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Learn it properly
lessons and teaching pages
KS1 Prefixes and Suffixes
Best for: worked examples and step-by-step teaching
PlanIt English Y1 Term 3B W2: The Prefix un- Spelling Pack
Best for: worked examples and step-by-step teaching
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Practise it
questions and activities to try
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Print and finish
worksheets away from the screen
PlanIt Y1: The Prefix un-
Best for: pencil-and-paper practice away from the screen
Year 1 Prefixes and Suffixes Word Wheels
Best for: pencil-and-paper practice away from the screen
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Free interactive practice
Play Word Detective
Sort carefully chosen words by syllable count and decide whether un- is acting as a prefix. Saving is off unless you choose it.
Practise part of this topic: say and clap displayed words to notice syllable beats, or recognise when un- is a real prefix. Ask an adult to confirm spoken responses; the game does not assess accurate oral reading.
Activities in this topic (1)
Activities covered
Finish one activity, then tap Done to earn one Den Drop ticket. You can earn up to 3 tickets each day.
Free offline practice
Print & practise
Practise the selected skills below. Each pack explains what it covers and what to try next.
Build words with un- and endings
Build un- meanings and words with -ing, -ed, -er and -est while keeping the root unchanged. The final short-vowel-doubling task is explicitly a TheLearnDen site extension, not the statutory unchanged-root rule. Supported fixed-word practice, not independent spelling fluency or whole-topic completion.
7 pages · answers and adult guidance · selected skills, not the whole topic
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