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Kiwiland Education

Multi-Digit Multiplication & Long Division Word Problems | Mystery Detective | Grades 4–6

$4.00 USD

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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All of our products are digital downloads — no physical items will be shipped.

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  • Thank you from Kiwiland Education

How Math Mysteries Work

Each Math Mystery resource gives you five one-page cases that turn math practice into a clue-based investigation. Here's exactly how a case plays out.

CASE FILE 5 MYSTERIES

Every set is a ready-to-solve investigation

Students become the math detective. They read a story, crunch the numbers, and use their answers as evidence to rule out suspects — until only the culprit is left standing.

1
STEP 01

Read the Case

Each mystery opens with a short, themed story that sets the scene and tells students exactly what they're trying to find out — who took something, what went missing, or what really happened.

Hooks them in seconds
2
STEP 02

Solve the Problems

Students work through a set of problems built around the target skill. Every answer is a clue — so there's a real reason to get each one right.

Focused skill practice
3
STEP 03

Eliminate Suspects

Students match their answers against the suspect list and cross off names one clue at a time. Wrong math means the wrong suspect — so the activity self-checks as they go.

Self-checking built in
4
STEP 04

Crack the Case

One suspect is left — and students reveal who did it. The payoff makes review feel like a win, and they're ready to start the next case.

The satisfying reveal

See it in action

SOLVE A CLUEAnswer = 576
→
MATCH THE ANSWER576 = Bianca
→
CROSS OFFBianca
No apps. No logins. No prep. Just print, hand out, and let them investigate.

New to the format? Read What Is a Math Mystery? for how they work and how to run one in class.

Why Teachers Use Math Mysteries

Skill practice that feels like a case worth solving — and a download that quietly does a lot of your planning for you.

5one-page cases per set
0prep or setup time
color & black-and-white
answer keys included

Five Mysteries in One

Every download includes five separate one-page cases — enough for a full week of practice, a center rotation, or a sub-day backup that's always ready to go.

Truly No-Prep

No cutting, laminating, apps, or logins. Print in full color or black-and-white and hand them straight out — that's the whole setup.

Self-Checking by Design

Students need the right answers to rule out the right suspects, so accuracy matters — and the included answer keys mean no grading for you.

Fits Any Routine

Use one case as a morning warm-up, or spread the five across the week for centers, partner work, early finishers, or intervention.

Keeps Students Hooked

The mystery format gives even reluctant mathematicians a reason to keep solving. Review starts to feel like a game, not another worksheet.

Differentiation-Friendly

Great for on-level practice, an extension for advanced students, or a targeted review pass for anyone who needs another go at the skill.

NO PREP PRINT & GO ANSWER KEYS INCLUDED

What's in every Math Mystery set

5 full-color mysteries 5 black-and-white versions 5 complete answer keys Print-and-go teacher page Bonus coloring page
Practice that feels like a case worth cracking.

Frequently Asked Questions About Math Mysteries

Printable Math Mystery worksheets that turn math practice into clue-based detective investigations.

Is this Math Mystery a digital activity?

No. This is a printable PDF resource. Students complete the Math Mystery on paper. No physical item will be shipped.

Do students need apps, locks, passwords, or logins?

No. Students do not need apps, locks, passwords, or logins. Teachers can print the pages and use the Math Mystery straight away.

How do students solve the Math Mystery?

Each resource includes five one-page cases. In each one, students solve the math problems and use their answers to eliminate suspects until only one remains and the case is cracked.

Can this Math Mystery be used for sub plans?

Yes. Math Mysteries work well for sub plans because students can work through the clues independently, with a partner, or in small groups.

Can this Math Mystery be used for homeschool?

Yes. This printable Math Mystery can be used for homeschool lessons, tutoring, review practice, enrichment, or extra math support.

Will this work for early finishers or math centers?

Yes. Math Mysteries are a good fit for early finishers, math centers, small groups, independent work, review lessons, and extra practice activities.



5th grade multiplication and division word problems mystery detective worksheets

Multi-Digit Multiplication & Long Division Word Problems | Mystery Detective | Grades 4–6

$4.00

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