Why do the 3rd grade houses use multiplication?

Third grade is when kids learn that division undoes multiplication. Houses with numbers like 4, 6, and 24 make that link concrete.

Do doubles like 5, 5, 25 make a full family?

Not quite. A double gives only two distinct facts, 5 × 5 = 25 and 25 ÷ 5 = 5. Most houses use two different factors.

3rd grade fact families

3rd grade fact families worksheets

In 3rd grade the houses switch to multiplication and division. Your child takes three numbers like 4, 6, and 24 and writes two multiplication and two division facts, learning that division is just a missing-factor problem.

Free printable PDF worksheet, aligned to Common Core 3.OA.B.6, 3.OA.C.7.

Each print is a different sheet with its own answer key. You don't need to sign up.

The kind of problems you'll get

Write each complete equation. Use the calculation shown beside each line.

(2, 4, 8)
Answer: 2 × 4 = 8
(3, 7, 21)
Answer: 3 × 7 = 21
(7, 6, 42)
Answer: 7 × 6 = 42

Every print pulls a fresh set of problems at this level, so a make-up test or a second sibling never gets the same sheet.

What's on a 3rd grade sheet

The sample sheet above has 6 problems. This sheet is aligned to 3.OA.B.6, 3.OA.C.7. The 2nd grade sheet is aligned to 2.OA.B.2.

Fact families. Write each complete equation. Use the calculation shown beside each line. 6 problems per page.

Every version prints on US Letter or A4, with its answer key after the problems.

How to teach this

Connect each house to a times-table fact your child already knows. Say division facts as questions: 24 ÷ 6 asks six times what makes twenty-four. Once a family comes easily, quiz just its two division facts on their own.

Watch for: Kids put the biggest number in the wrong spot. It always leads the subtraction or division facts. Kids swap numbers in subtraction or division the way addition allows. 8 − 3 works but 3 − 8 does not, and 24 ÷ 6 is not 6 ÷ 24.

Common questions about 3rd grade fact families

Why do the 3rd grade houses use multiplication?: Third grade is when kids learn that division undoes multiplication. Houses with numbers like 4, 6, and 24 make that link concrete.
Do doubles like 5, 5, 25 make a full family?: Not quite. A double gives only two distinct facts, 5 × 5 = 25 and 25 ÷ 5 = 5. Most houses use two different factors.

Related worksheets

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Aligned to Common Core 3.OA.B.6, 3.OA.C.7. Reviewed by the One more sheet team. Content version 241, updated October 2026.

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