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This Division By 10 drill has 48 problems for Grade 3. Sharks theme. Answer key included.
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Max spotted 80 baby sharks trapped in the coral reef! He must divide them into 10 safe groups before the storm hits!
Standard: CCSS.MATH.3.OA.C.7
Preview
Page 1 — Drill
Page 2 — Answer Key
What's Included
About this Grade 3 Division By 10 Drill
Division by 10 is a foundational skill that helps third graders recognize patterns in our base-10 number system—the very system that makes counting, money, and measurement work. When students divide by 10, they're learning that 50 ÷ 10 = 5, which means they're building mental math fluency and deepening their understanding of how place value actually functions. This skill is practical too: figuring out how many dimes equal a dollar, converting between measurements, or sharing items equally into groups of 10 are real situations children encounter. By mastering division by 10 now, students develop the confidence and automaticity they need for multi-digit division later. It's also a bridge to understanding multiplication and division relationships, which strengthens their overall number sense during a critical period of mathematical thinking.
What your student will practice
- Fluently divide two-digit and three-digit numbers by 10
- Recognize and explain the pattern that dividing by 10 removes one digit
- Apply division-by-10 facts to solve word problems involving groups or equal shares
- Connect division-by-10 to place value understanding and multiplication facts
Common mistakes to watch for
Many third graders add a zero to the dividend instead of removing one—so they answer 60 ÷ 10 = 600 instead of 6. Others lose track of what they're dividing into and confuse the operation entirely, sometimes multiplying by 10 by accident. Watch for students who write the answer but can't explain why—they may have memorized some facts without grasping the place-value pattern. If a child consistently gets facts wrong or reverses the digits (answering 50 ÷ 10 = 05), they likely haven't internalized that dividing by 10 means 'how many tens fit into this number.'
Take your child to the store or use items at home: ask them to figure out 'If I have 80 cents and want to spend it all on dimes, how many dimes do I get?' or 'We have 30 crackers and want to put 10 in each small bag—how many bags?' These situations anchor the abstract math to something they can see and touch. You can also use a deck of cards, a pile of coins, or even toys arranged in rows—the goal is letting them physically group objects by tens and count the groups, so the pattern becomes real, not just a rule they're memorizing.