Multi-Digit Multiplication & Long Division Word Problems
Mystery Detective · Grades 4–6
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Inside the case file
Multiplication and division word problems, multi-digit long division practice, and standard algorithm worksheets for 5th grade are all included in this school-themed Mini Mystery Detective packs of math worksheets. Students read each real-world word problem, decide whether to multiply or divide, solve it, and use their answers to cross suspects off a line-up until one culprit is left. Perfect for math centers, morning work, early finishers, homework, sub plans, spiral review, and small-group intervention. Completely no prep - just print and go.
What's Inside
- Multiplying two-digit by two-digit numbers using the standard algorithm: 94 x 51, 71 x 56
- Multiplying three-digit by two-digit numbers with regrouping in the partial products: 253 x 26, 217 x 18
- Dividing three-digit numbers by two-digit divisors: 528 divided by 33, 783 divided by 27
- Long division with four-digit dividends and two-digit divisors: 7644 divided by 42, 9576 divided by 76
- Choosing the operation - every page mixes multiplication and division so students have to read the situation, not just repeat a procedure
- Real-world problem types: equal groups, rows and arrays, rates and unit costs, times as many comparisons, sharing equally, and grouping
- Reading and interpreting word problems, then checking reasonableness against the suspect list
- Self-checking answer keys in red for every case
Five school-themed mysteries to crack: The Map Room Muddle, The Math Club Mix-Up, The Office Supply Slip, The Protractor Plot, and The Open House Order. Every division works out exactly, so every answer matches cleanly. Answer keys included for every case.
What is a Mini Mystery Detective?
A no-prep detective activity where students solve math problems to cross off suspects and unmask the culprit. Every suspect wears an ID badge, and each correct answer eliminates one of them - so if a student finishes with exactly one suspect left, they know their math is right. Skill practice plus critical thinking in one engaging, self-checking worksheet set.
When to Use This Resource
- Math centers and rotations
- Morning work and warm-ups
- Early finishers
- Substitute and relief days
- Homework and independent practice
- Spiral review before testing
- Small-group intervention
- Whole-class problem-solving lessons
Grade Levels
Designed for 5th graders. Also beneficial for struggling 6th grade students who need extra practice with multi-digit multiplication and long division, and advanced 4th grade students ready for a challenge.
Why Teachers Love Mystery Detectives
- Zero prep - just print and hand out
- Completely self-checking, so students catch their own mistakes without you marking every page
- The detective hook pulls in reluctant and struggling mathematicians
- Word problems build real problem-solving, not just procedure practice
- Every page is a fresh case with its own story, suspects, and villain
- Works for the whole class, from intervention groups to early finishers
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