3.OA.7 Common Core Worksheet

Third graders reach a turning point in math when they stop counting up to a product and start simply knowing it. Common Core standard 3.OA.7 asks students to multiply and divide fluently within 100, and the shortest route there is the fact family: the small set of related facts that ties three numbers together. This 3.OA.7 Common Core Worksheet gives students four fact families to unpack, so they see that 4, 7, and 28 make one multiplication fact, its turnaround partner, and two matching division facts. Once a child recognizes that pattern, one known fact unlocks three more.

Titled That’s A Fact, this 3rd grade fact families worksheet opens with a worked example, then hands students four number trios with four blank lines beside each one. Students write two multiplication facts and two division facts for every trio, then finish with a word problem about a farmer selling corn at the market, recording both the answer and the fact that helped them solve it. Use it as morning work, as a quick check after a fluency lesson, or as homework — the answer key on page two makes grading immediate.

What’s Included

• 1 print-ready PDF worksheet
• Answer key
• 4 fact family number trios with 16 equations to complete
• 1 word problem with an answer line and a fact-used line

This 3.OA.7 Common Core Worksheet helps in three ways. First, it builds fluency through structure instead of drill: writing all four related facts shows students that multiplication and division are inverse operations, not two separate skills to memorize. Second, it strengthens number sense, because a child who knows that 7 × 8 = 56 can reason straight to 56 ÷ 7 without starting over. Third, the closing word problem moves practice into a real setting, asking students to choose the operation, solve it, and name the fact they used — the kind of reasoning state assessments expect from third graders.

Teachers and parents can stretch the skill well beyond the page. Write three numbers on an index card and ask your child to call out all four facts in ten seconds. Build fact family triangles with the product in the top corner, then cover one number for a partner to name. Skip count aloud on a walk, first by sevens and then by eights, and notice how those products land inside the same families. Sort flash cards into families rather than shuffled piles, and keep a class chart of every family the group has mastered.

Related Resources

• Multiplication Division Fact Families Worksheet
• Completing Fact Families Worksheet
• Christmas Math Fact Families Worksheet
• Counting By Sevens Song (Have Fun Teaching)