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This Division By 10 drill has 48 problems for Grade 3. Frogs theme. Answer key included.
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Max discovered 80 lost tadpoles scattered across lily pads — he must divide them equally before the herons arrive!
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 number system and builds fluency with basic facts. When students divide by 10, they're learning that 10 groups of something equals a whole—a concept they'll apply when working with money, measurement, and multi-digit division later on. At ages 8-9, children are developing the ability to see how multiplication and division are connected; dividing by 10 makes that relationship crystal clear. This skill also boosts mental math speed, which means students can solve problems faster without always relying on counting or drawings. Beyond the classroom, understanding division by 10 helps children think logically about real situations—like sharing 30 items equally into 10 bags, or recognizing that 10 of something becomes 1 of the next bigger unit. Mastering this concept now prevents confusion and builds confidence as students move into more complex division problems.
What your student will practice
- Divide numbers by 10 using mental strategies and patterns
- Connect multiplication and division facts with 10 as a factor
- Explain division by 10 using visual models or real-world contexts
- Build automaticity with facts like 40 ÷ 10, 70 ÷ 10, 100 ÷ 10
Common mistakes to watch for
Many Grade 3 students confuse dividing by 10 with subtracting 10, answering 40 ÷ 10 as 30 instead of 4. Others lose track of place value and write 50 ÷ 10 = 5 correctly but then struggle when the dividend changes slightly (like 50 ÷ 5), showing they've memorized a fact without understanding the pattern. Watch for students who count on their fingers or draw out all 10 groups instead of recognizing the shortcut—a sign they haven't yet internalized that dividing by 10 means "how many tens fit into this number." If you see hesitation or errors on facts like 60 ÷ 10 or 80 ÷ 10, the student likely needs more practice connecting these facts to the multiplication facts they already know (6 × 10 = 60, so 60 ÷ 10 = 6).
Create a real-world game using a collection of small objects—buttons, coins, or toy frogs—where your child groups exactly 10 items, then figures out how many complete groups they can make from 30, 50, or 70 total items. Call out a number (like "I have 80 buttons") and have them physically make 10-groups, then state the answer aloud ("That's 8 groups of 10, so 80 ÷ 10 = 8"). This hands-on approach reinforces that dividing by 10 is really just counting how many tens are in a number, making the abstract concept concrete and memorable for this age group.