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Turn your phonics lesson notes into flashcards for common bugs

Printable sets are fixed, so upload your own phonics materials and get flashcards aimed at the errors your students actually make.

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Why generate your own phonics bug cards

Ready-made printable sets rarely match the errors in your own class, so phonics bug flashcards work best when they start from the material you teach.

Cards come from the phonics patterns in your own PDFs, slides and notes.
Photos of printed worksheets are read with text recognition.
Missed cards return on a spaced schedule instead of in a fixed order.
Exports to PDF, DOCX, Anki and CSV are available on paid plans.

Example phonics bug flashcards for early readers

What is a b/d reversal?Confusing the letters b and d, which differ only in the side the bowl sits on. Practice pairing each letter with a key word such as bat or dog helps students remember which way it faces.

Why might a student write shep for ship?The short i and short e vowels sound alike to many beginners. Minimal-pair drills such as ship, shep, sip and sep give contrast practice.

What is the silent e bug?Students either drop the final e or add it where it does not belong, so hop and hope read the same. The final e makes the vowel before it say its long name.

Where does the /k/ sound after a short vowel get spelled ck?In one-syllable words such as back, neck and sick. The k alone is usually avoided after a short vowel, so bak is a common spelling bug.

Why is said a common phonics bug?It breaks the usual sound-spelling pattern because it sounds like sed, so it must be learned as a tricky word rather than decoded.

Generate the full set

Built from your lessons

Upload a PDF, slide deck, set of notes or a photo of a worksheet and get cards based on the patterns you already teach.

Spaced repetition

Cards you miss come back sooner, so the reversals and vowel mix-ups get drilled until they stop appearing.

Study in the browser

The free plan lets you study generated cards in the browser, with 3 generations each month and no credit card needed to start.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes or a photo of a page. Photos are read with text recognition.

Generate flashcards

DeckOwl turns the content into flashcards with a front for the sound, letter or word and a back for the answer.

Study what you miss

Review the cards in the browser and let spaced repetition bring back the ones that keep tripping students up.

A bug is a repeated error, such as writing b for d, dropping the silent e, or reading said as sayd. When your lesson notes list these patterns, an AI generator can turn them into question and answer cards without you rewriting each one by hand.

Spaced repetition then schedules the cards so students see the hardest ones more often, which suits skills that need steady practice over several weeks.

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Frequently asked questions

What is a phonics bug?

A phonics bug is a repeated error in reading or spelling, such as confusing b and d, mixing up short vowels, or sounding out irregular words by their spelling rules. Teachers often list the most common ones so they can target them with practice.

How many phonics bug cards should a student study at once?

Start with about 10 to 20 new cards per session so a student can focus on one or two bugs at a time. Add more once the earlier cards are answered correctly most of the time.

Can I print or export the flashcards?

The free plan lets you study cards in the browser. PDF, DOCX, Anki and CSV export are paid features, and Plus starts at $39 per year or $7.99 per month.

Does DeckOwl include ready-made phonics cards?

No. DeckOwl generates cards from the material you upload, so the cards match the patterns your students are actually getting wrong.

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