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Turn worked problems into arithmetic reasoning flashcards

Upload the worked examples from your class or test prep book. DeckOwl builds flashcards for each method, so ratios, percents and rate problems stay in your review rotation.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

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Practice ratios, percents and rates with cards you build yourself

Ready-made sets cover common problem types, but arithmetic reasoning sticks best when the cards match the exact problems in your course. Upload a PDF of your worked examples and DeckOwl produces arithmetic reasoning flashcards that follow the same steps.

Cards for each method, such as ratio setup, percent change and average speed
Front side asks one question; back side gives the answer and the step that produced it
Photos of practice pages are read with text recognition, so you can study from paper
Free plan includes 3 generations per month and browser study

Sample arithmetic reasoning flashcards for ratios and percents

A car travels 150 miles in 3 hours. What is its average speed?50 miles per hour. Speed equals distance divided by time.

What is 25% of 80?20. Multiply 80 by 0.25, or take one quarter of 80.

If 4 pens cost $6, how much do 10 pens cost?$15. Set up the proportion 4/6 = 10/x, so x = 15.

What is the average of 70, 85 and 92?About 82.3. Add the values to get 247, then divide by 3.

A price rises from $40 to $50. What is the percent increase?25%. The increase is $10, and $10 divided by the original $40 is 0.25.

Generate the full set

Built from your own material

Upload a PDF, slides, typed notes or photos of worked problems, and get cards that follow the same steps your teacher used.

Spaced repetition

Cards you miss come back sooner, so the setups for rate, ratio and percent change stay fresh before a quiz.

Setup and answer cards

Write cards that ask for the formula, the first step or the final answer, which helps with multi-step word problems.

How it works

Upload your material

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

Review the generated cards

Check the problem setups and numbers, then keep the cards that match your course.

Study on a schedule

Spaced repetition brings back the cards you find hardest, a few minutes at a time.

Spaced repetition brings back the cards you miss most often, so rate, time and distance setups stay fresh before an exam. Cards can ask for the formula, the first move or the final answer, which helps with problems that have several steps.

Exports are part of the Plus plan, including Anki and CSV, so you can move the same deck into another app when you want to keep studying.

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Frequently asked questions

How many flashcards should I make for arithmetic reasoning practice?

Start with one card per method, such as rate, ratio or percent change, then add cards for common traps like mixed units. A focused deck of 30 to 60 cards is usually easier to review daily than one long deck.

What should an arithmetic reasoning flashcard show on the front?

Put one problem or one concept on the front, such as how to set up a mixture ratio. On the back, give the answer along with the step that produced it so you can check your reasoning.

Can I study these flashcards for free?

Yes, the free plan includes 3 generations per month and study in the browser. Exports such as PDF, DOCX, Anki and CSV require Plus.

Does DeckOwl work with photos of practice problems?

Yes, photos are read with text recognition, so a snapshot of a worked example can become cards. Check that the numbers were read correctly before you study.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.