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This Mixed All Operations drill has 48 problems for Grade 3. Magic Show theme. Answer key included.
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Max must solve magical tricks fast before the grand finale curtain drops and the audience disappears forever!
Standard: CCSS.MATH.3.OA.D.8
Preview
Page 1 — Drill
Page 2 — Answer Key
What's Included
About this Grade 3 Mixed All Operations Drill
By third grade, students encounter math problems that mix addition, subtraction, multiplication, and division all together—and this is where real mathematical thinking begins. At ages 8-9, children's brains are developing the ability to hold multiple steps in mind and decide which operation to use first, a skill that's essential for everything from sharing snacks fairly among friends to calculating change at a store. Mixed-operations problems teach students that math isn't just about isolated facts; it's about reading carefully, planning a strategy, and following through logically. This kind of flexible problem-solving builds confidence and prepares students for more complex math in fourth grade and beyond. When children can tackle 24 ÷ 3 + 5 or 8 × 2 − 6 without confusion, they're developing the mental discipline that transfers to other areas of learning and decision-making.
What your student will practice
- Identify which operation to perform first in mixed-operation expressions
- Solve problems combining addition, subtraction, multiplication, and division accurately
- Demonstrate understanding of operation order and left-to-right evaluation rules
- Apply mixed-operations skills to real-world word problems and scenarios
Common mistakes to watch for
The most common error is ignoring the left-to-right rule and solving operations in whatever order looks easiest. For example, students might see 12 − 3 + 5 and add 3 + 5 first, getting 14, instead of subtracting first to get 14 correctly. Another frequent mistake is treating multiplication and division as "always first" without recognizing they should be done left-to-right with each other—so in 20 ÷ 5 × 2, students often divide then multiply (getting 8) instead of completing both operations in order. Watch for students who rush and skip a step entirely, especially when a problem has three or more operations. Slow, deliberate practice with one step at a time, written out, helps break this habit.
Create a "recipe card" math activity at home using actual cooking or snack prep. Have your child write down a simple recipe like "Make 3 batches of 4 cookies, then add 2 more cookies—how many total?" This mirrors mixed operations naturally: 3 × 4 + 2. Let them physically count or group objects while solving, then record the equation. This concrete, real-world anchor makes the abstract symbols feel purposeful, especially for children who learn best by doing.