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Fact Family Worksheet Generator

Make printable fact family worksheets in seconds. Choose addition and subtraction or multiplication and division, then pick fact family triangles, write all the facts, or fill in the missing facts. Set the number range and difficulty, then print or download a clean PDF with an answer key. Free, no sign-up, and no AI.

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PDF puts the answer key on its own page.

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Fact Family Worksheet

Addition and subtraction · Fact family triangles

Use each fact family triangle to write the four related facts.

Name: ______________________    Date: ____________

Made with Classeem · Free classroom tools at classeem.com

Answer key

  • 1.2 + 14 = 16, 14 + 2 = 16, 16 - 2 = 14, 16 - 14 = 2
  • 2.18 + 2 = 20, 2 + 18 = 20, 20 - 18 = 2, 20 - 2 = 18
  • 3.11 + 5 = 16, 5 + 11 = 16, 16 - 11 = 5, 16 - 5 = 11
  • 4.9 + 11 = 20, 11 + 9 = 20, 20 - 9 = 11, 20 - 11 = 9
  • 5.5 + 6 = 11, 6 + 5 = 11, 11 - 5 = 6, 11 - 6 = 5
  • 6.4 + 6 = 10, 6 + 4 = 10, 10 - 4 = 6, 10 - 6 = 4
  • 7.3 + 10 = 13, 10 + 3 = 13, 13 - 3 = 10, 13 - 10 = 3
  • 8.8 + 6 = 14, 6 + 8 = 14, 14 - 8 = 6, 14 - 6 = 8
  • 9.4 + 9 = 13, 9 + 4 = 13, 13 - 4 = 9, 13 - 9 = 4
  • 10.8 + 4 = 12, 4 + 8 = 12, 12 - 8 = 4, 12 - 4 = 8
Step by step

How to use the fact family worksheet generator

  • 1Choose the fact family type and a worksheet style.
  • 2Pick the number range, difficulty, and how many problems.
  • 3Turn on a title, a name and date line, or the answer key if you want them.
  • 4Print the worksheet, or download a branded PDF. Use Regenerate for a fresh set.
When it helps

When this is useful

Addition and subtraction fact families

Show how addition and subtraction are linked using the same three numbers.

Multiplication and division fact families

Build families that connect multiplication and division facts with whole numbers.

Inverse operations practice

Fact families make inverse operations clear, which supports mental math and checking work.

First and second grade addition facts

Start with sums to 10 or 20 for early learners building number sense.

Third and fourth grade multiplication facts

Move to multiplication and division facts to 10 or 12 as students are ready.

Fact fluency and review

Use missing-fact pages for quick review of facts students are still learning.

Centers, homework, and sub plans

Print a page for a math center, homework, small groups, or a substitute folder.

In practice

Examples to try

Addition fact family worksheet

Three numbers that build two addition and two subtraction facts.

Subtraction fact family worksheet

Practice the subtraction facts that go with each addition pair.

Multiplication fact family worksheet

Three numbers that build two multiplication and two division facts.

Division fact family worksheet

Whole-number division facts paired with their multiplication facts.

Fact family triangles

A triangle with the three numbers at the corners, with a blank to fill in.

Missing fact family worksheet

Equations with a blank number for students to complete, plus an answer key.

Get more out of it

Tips for better results

  • Start with sums to 10 for beginners

    Smaller numbers keep early fact family practice friendly and clear.

  • Use triangles to show relationships

    The triangle makes it easy to see how the three numbers connect across four facts.

  • Move from add and subtract to multiply and divide

    The same fact family idea carries over, so students build on what they know.

  • Use missing facts for review

    Blanking one number turns a fact family into a quick fluency check.

  • Pair with number bonds and math facts

    Use the number bonds and math facts tools with the same numbers for more practice.

  • Print the answer key separately

    The PDF puts the key on its own page, so it is easy to keep it apart from student copies.

Under the hood

How the fact family worksheet generator works

You choose a fact family type, a number range, and a style, and the generator builds the problems on your device. Addition and subtraction families use three numbers where two parts add to a whole, and multiplication and division families use two factors and their product, so every division fact is a whole number.

Numbers are chosen with a seeded shuffle that avoids repeating the same family when it can, so the same settings always give the same worksheet and Regenerate makes a fresh set. The style decides what prints: triangles show the three numbers at the corners with space to write the facts, write all gives the three numbers and blank lines, and missing facts blank one number to complete. The answer key lists all four correct facts for each family.

There is no AI and no internet call. Every problem is computed with simple whole-number math in your browser, so you can print or save as many worksheets as you like, instantly and for free. Nothing you choose is stored.

Your data

Private by design

  • No account and no sign-up. Just open it and start.
  • Everything runs on your device, so the worksheet title and settings you choose, along with the worksheets and answer keys you create stays with you.
  • Nothing you create is uploaded. No values, names, scores, or generated content are sent to our servers.
  • We use Google Analytics only for basic, anonymous pageview counts. It never receives what you enter into the tool.
Good to know

Frequently asked questions

Is the fact family worksheet generator free?

Yes, completely free, with no account and no limit on how many worksheets you make. There's no watermark on the printed page.

Can I print fact family worksheets?

Yes. Use the Print button to send the worksheet straight to your printer. Only the worksheet prints, with the answer key on its own page when you've turned it on, and nothing else from the web page.

Can I download a PDF?

Yes. Download a clean PDF built right on your device, with your chosen fact family type, style, and an optional answer key, ready to print or share.

Can I make addition and subtraction fact families?

Yes. Choose the addition and subtraction type and a sum range, and each family builds two addition and two subtraction facts.

Can I make multiplication and division fact families?

Yes. Choose the multiplication and division type and a facts range, and each family builds two multiplication and two division facts. Division always works out to a whole number.

Can I make fact family triangles?

Yes. The fact family triangle style shows the three numbers at the corners of a triangle, with space to write the related facts.

Does it include an answer key?

Yes. Turn on the answer key and the PDF adds a separate page that lists all four correct facts for every family.

Are generated worksheets uploaded or saved?

No. The worksheet is built entirely on your device, and the PDF is created there too, so your settings and the worksheets you make are never uploaded or stored on a server.

Helpful supplies

Helpful supplies for this activity

Optional supplies that can make printed classroom materials easier to reuse, organize, or share.

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Cardstock paper

Print sturdier cards, word games, and classroom materials.

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Dry erase pockets

Slide worksheets into reusable sleeves for quick practice and small groups.

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Index cards

Handy for flashcards, sorting activities, and quick practice cards.

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Laminator machine

Make reusable classroom sheets, bingo cards, and activity pages.

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Laminating pouches

Protect cards and worksheets so they last through the whole year.

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