English // Spelling & Word Study
Spelling -able & -ible
Spell words ending in -able/-ible and the corresponding adverb forms -ably/-ibly, applying patterns to determine which suffix to use based on the root word
Quick check
When the learner needs to spell a word ending in "-able" or "-ible" — like "comfortable" or "visible" — can they choose the right ending and spell it correctly?
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Topic // Mastery
What mastery looks like
- Apply the guideline that -able is typically used with complete root words (enjoyable, comfortable) while -ible is used with incomplete roots (visible, possible), noting key exceptions
- Convert -able/-ible adjectives into adverbs by changing the ending to -ably/-ibly, e.g. comfortable → comfortably, possible → possibly, terrible → terribly
- Determine whether to drop or retain the final -e of the root when adding -able, e.g. adorable (drop e) vs changeable (keep e before soft g)
Topic // Map
Where this fits
- RequiredMust come first
- HelpfulHelps, but not essential
Before this
1 topic- Suffixes (age 7+)Required
Spelling & Word Study // Ages 7 to 9
The -able/-ible and -ably/-ibly patterns build directly on suffix knowledge from the Y3-4 programme
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Spelling -able & -ible
Ages 9 to 10 // Method
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Topic // Standards
Curriculum standards
- The national curriculum in England: Key stages 1 and 2 framework document
- Eng_App1_Sp_Y56_04Eng_App1_Sp_Y56_05
English // Spelling & Word Study
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