Subtraction Flash Cards 0–20: The Essential Guide To Helping Kids Master Math Faster (Most Parents Skip This One Simple Trick)

Why Subtraction Flash Cards 0–20 Matter (And Why Kids Get Stuck Here)

Subtraction 0–20 is one of those “tiny” skills that quietly decides whether math feels easy or painful later.

If kids don’t get fast and confident with subtraction facts like 13 − 5 or 17 − 9:

• Word problems feel confusing
• Multi-digit subtraction becomes a nightmare
• Fractions and algebra later feel way harder than they need to

Flashcards are still one of the best ways to build that automatic “I just know the answer” feeling.

But physical cards get lost, kids get bored, and parents get tired of constantly quizzing.

That’s where a smart flashcard app like Flashrecall makes life WAY easier:

👉 https://apps.apple.com/us/app/flashrecall-study-flashcards/id6746757085

You can make subtraction flashcards 0–20 in minutes, let the app handle the repetition and reminders, and your kid can study on their own—without you hovering over them.

Let’s break down how to actually do this in a way that works (and doesn’t make everyone miserable).

Step 1: What Exactly Are “Subtraction Flash Cards 0–20”?

When people say “subtraction flash cards 0–20,” they usually mean:

• All subtraction problems where the numbers are from 0 to 20
• Example:
• 7 − 3
• 15 − 8
• 20 − 0
• 14 − 9
• Often focused on facts where the answer is between 0 and 20 too

These are the core “math facts” teachers want kids to know quickly, usually in grades 1–3.

The Goal Isn’t Just “Getting It Right”

The real goal is:

• Accurate and fast
• No counting fingers for every single problem
• Confidence: “I know 13 − 6 is 7” without thinking too hard

Flashcards are perfect for this because they force active recall: your kid has to pull the answer from memory instead of just recognizing it.

Flashrecall is built exactly around that idea—active recall + spaced repetition—so it’s basically a turbocharged version of old-school flashcards.

Step 2: Why Use an App Instead of Paper Flash Cards?

Paper subtraction flash cards are fine… for about three days. Then:

• Cards go missing
• You accidentally drill the easy ones over and over
• The hard ones don’t get enough practice
• You have to remember when to review them (spoiler: you won’t)

With Flashrecall, you get all the benefits without the hassle:

• ✅ Instant flashcards: Type a list of subtraction facts once, and you’re done
• ✅ Built-in active recall: It shows the question, hides the answer, and your kid has to think
• ✅ Smart spaced repetition: Hard cards come back more often, easy ones less often
• ✅ Automatic study reminders: The app nudges your kid to review before they forget
• ✅ Works offline: Perfect for car rides, waiting rooms, or “we’re out of Wi‑Fi” moments
• ✅ Free to start and works on iPhone and iPad

Here’s the link so you can grab it now and follow along:

👉 https://apps.apple.com/us/app/flashrecall-study-flashcards/id6746757085

Step 3: How To Set Up Subtraction 0–20 Flash Cards In Flashrecall

You can do this in 10–15 minutes, tops.

1. Create a Deck

• Open Flashrecall
• Create a new deck called something like:
• “Subtraction 0–10”
• “Subtraction 0–20 Level 1”
• “Subtraction Facts – Speed Practice”

You can even make multiple decks by difficulty (more on that in a second).

2. Add Cards Manually (Simple Version)

For younger kids, keep it clean and simple:

• Front: `13 − 5 = ?`
• Back: `8`

Do this for all the facts you want to practice. You can start with easier ones:

• Take away 0: `9 − 0`, `15 − 0`, `20 − 0`
• Take away 1: `6 − 1`, `14 − 1`, `19 − 1`
• Doubles and near-doubles: `10 − 5`, `8 − 4`, `12 − 6`

Then move into trickier ones like `17 − 9` or `15 − 7`.

3. Or Add Cards Super Fast From Text

If you’ve got a worksheet or list of facts:

• Type them or paste them into Flashrecall
• Turn them into cards in bulk
• Or snap a photo of a worksheet and generate flashcards from the image

Flashrecall can make flashcards from images, text, PDFs, even YouTube links and audio. For subtraction, that means:

• Take a picture of a printed worksheet → turn each problem into a card
• Paste a list of subtraction problems from a school PDF → instant deck

Step 4: Make It Fun, Not Torture

If subtraction flashcards feel like punishment, kids will resist. A few tricks:

1. Short Sessions, Often

• Aim for 5–10 minutes at a time
• 1–3 sessions per day is better than 1 long one
• Flashrecall’s study reminders help you keep it consistent without nagging

2. Use Levels or “Boss Battles”

Create decks or tags like:

• Level 1: Subtraction within 10
• Level 2: Subtraction within 15
• Level 3: Subtraction within 20

Let your kid “unlock” the next level once they’re fast on the previous one.

3. Turn It Into a Game

With Flashrecall, you can:

• Set a timer and see how many cards they can get right in 3 minutes
• Track how many “hard” cards they turn into “easy” ones over a week
• Try to beat yesterday’s streak

You can also sit with them for the first few sessions and cheer them on—then slowly let them do it solo once they know how it works.

Step 5: Use Spaced Repetition So Facts Actually Stick

This is the secret most parents don’t know:

If your child reviews subtraction facts:

• Too soon → they’re not really testing memory
• Too late → they’ve already forgotten and have to relearn

Spaced repetition hits the sweet spot: review right before the brain is about to forget.

Flashrecall has built-in spaced repetition:

• Every time your kid answers a card, they rate how hard it was
• The app automatically schedules the next review
• Easy cards appear less often, hard ones more often
• You don’t have to plan anything—the app does it for you

Result: less time, better memory. That’s a win.

Step 6: Add Helpful Hints For Tricky Subtraction Facts

Some subtraction facts are just more annoying than others (looking at you, 17 − 9).

You can help your kid by adding little hints on the back of the flashcard in Flashrecall, like:

• 13 − 6
• Back: `7`
• Extra note: “Think: 6 + 7 = 13”
• 15 − 8
• Back: `7`
• Extra note: “8 + what makes 15?”
• 14 − 9
• Back: `5`
• Extra note: “9 + 5 = 14 (9 + 1 = 10, then +4)”

You can also add audio if your child is still learning to read:

• Record yourself saying: “What is thirteen minus five?”
• They hear it, then say the answer out loud before checking

Flashrecall lets you add text, images, and audio, so you can adapt it to how your kid learns best.

Step 7: Let Your Kid “Chat With The Flashcard” When They’re Stuck

One of the coolest things about Flashrecall is that you can actually chat with the flashcard.

So if your child is stuck on a concept like:

> “Why is 14 − 9 = 5? I don’t get it.”

They (or you) can open the card and ask the built-in AI to explain it in a simple way, with steps or examples.

That means:

• You don’t have to be a full-time math tutor
• They can get explanations right inside the app
• It’s great for when you’re busy, traveling, or math just isn’t your thing

Step 8: Mix Subtraction With Other Skills (Once They’re Ready)

Once subtraction 0–20 feels easy, you can build on it:

• Addition and subtraction mix deck
• Example: `7 + 5`, `13 − 4`, `9 + 6`, `15 − 7`
• Word problem cards
• Front: “You have 15 apples. You give 6 away. How many are left?”
• Back: `9`

Flashrecall isn’t just for math, by the way. You can use it for:

• Spelling
• Times tables
• Languages
• Science facts
• Exam prep (high school, university, medicine, business, anything)

Same app, same spaced repetition engine—just different decks.

Sample Subtraction 0–20 Flashcard Set You Can Copy

Here’s a simple starter list you could drop into Flashrecall:

• 5 − 0
• 9 − 0
• 12 − 0
• 20 − 0
• 7 − 1
• 10 − 1
• 15 − 1

• 10 − 5
• 8 − 4
• 14 − 7
• 16 − 8
• 18 − 9

• 13 − 5
• 15 − 7
• 17 − 8
• 12 − 9
• 11 − 6

• 17 − 9
• 19 − 8
• 14 − 9
• 16 − 7
• 18 − 5

Turn each into a card like:

• Front: `17 − 9 = ?`
• Back: `8` + a short hint if needed

You can add more over time as your child improves.

Why Flashrecall Beats Paper Subtraction Flash Cards

Quick recap of why using Flashrecall for subtraction flash cards 0–20 is just easier:

• You can create decks in minutes from text, images, PDFs, or manually
• The app uses active recall and spaced repetition automatically
• Study reminders keep your kid on track without you nagging
• Works offline on iPhone and iPad (perfect for on-the-go practice)
• Your child can chat with the flashcard when they don’t understand something
• It’s fast, modern, easy to use, and free to start

If you’re serious about helping your kid get confident with subtraction—and you’d like to not be the full-time flashcard police—Flashrecall basically does the heavy lifting for you.

Grab it here and set up your first subtraction deck today:

👉 https://apps.apple.com/us/app/flashrecall-study-flashcards/id6746757085

A few minutes a day now can save them (and you) a LOT of math frustration later.

Frequently Asked Questions

What's the fastest way to create flashcards?

Manually typing cards works but takes time. Many students now use AI generators that turn notes into flashcards instantly. Flashrecall does this automatically from text, images, or PDFs.

Is there a free flashcard app?

Yes. Flashrecall is free and lets you create flashcards from images, text, prompts, audio, PDFs, and YouTube videos.

How do I start spaced repetition?

You can manually schedule your reviews, but most people use apps that automate this. Flashrecall uses built-in spaced repetition so you review cards at the perfect time.

What is active recall and how does it work?

Active recall is the process of actively retrieving information from memory rather than passively reviewing it. Flashrecall forces proper active recall by making you think before revealing answers, then uses spaced repetition to optimize your review schedule.

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