Digit by Digit: Long Division

Content rating
Everyone
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Refresh your workflow relying on Digit by Digit: Long Division. A prime product from Avolar for the APPzone ecosystem. Read full reviews at Education.

How To Get Digit by Digit: Long Division

Written arithmetic, worked the way it is taught at school.

Long division, column addition, subtraction and multiplication — on squared paper, digit by digit, with the carries and the borrows in the places a teacher puts them. Not a solver that prints an answer: a page your child fills in, checked one figure at a time.

TWO MODES
• Show me — the exercise works itself out, a step at a time, and every step is a sentence: "7 plus 5 is 12, so write 2 and carry 1."
• Check me — your child writes it. Every figure is checked as it lands, not at the end of the sum.

THE MISTAKE, NOT THE ANSWER
A wrong figure never gives away the right one. The app names the rule that step is about — "remember the carry from the column on the right" — and lets your child try again. Ask again and the help gets more specific, one rung at a time.

TWO WAYS OF WRITING IT
Schools do not all write a division the same way, so pick the one your child is taught:
• 144 : 12 = 12, the way it is written across continental Europe
• the bus stop, the way it is written in Britain and the US
The borrowing changes with it — a small one in front of the figure, or the neighbour crossed out and rewritten. The choice is separate from the language of the app, because a Polish child using the English interface still needs Polish division.

FOUR OPERATIONS, NINETEEN EXERCISES
From adding without carrying to dividing by a two-figure number, with carrying across a zero, a nought in the middle of the multiplier and a nought in the answer along the way. Pick whatever the class is doing this week.

SEE WHERE THE GAPS ARE
The progress page counts mistakes by kind — forgotten carry, borrowing, wrong column, a slip in the tables — and lists the facts that keep costing marks. That is the page to read before deciding what to ask at breakfast.

MADE TO BE LEFT ALONE WITH
• Works offline: every rule, exercise and figure on the progress page works with the radio off
• No account, no sign-up, nothing to log in to
• No videos between exercises, no pop-ups, no countdown
• One banner at the top, and a one-off purchase that removes it for good
• Light and dark, both drawn by hand
• English, Polish and German, with the notation chosen separately
Long division and column sums, checked one digit at a time.
Updated on
Aug 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    about how developers declare sharing
  • No data collected
    about how developers declare collection
  • Committed to follow the Play Families Policy

What’s new

First release.

Written arithmetic on squared paper: long division, column addition, subtraction and multiplication, one figure at a time.

• Show me walks an exercise through, step by step, in sentences
• Check me checks every digit as it lands, and names the rule behind a mistake rather than the answer
• Continental and British/US notation, chosen separately from the language
• Nineteen exercises across the four operations
• A progress page that says what keeps going wrong