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Kiwiland Education

Order of Operations (No Exponents) | Zombie Math Mystery | Grades 5–7 | Detective Mystery

$4.00 USD

Order of operations (PEMDAS, no exponents) is the only thing standing between your students and the zombie horde — a zombie is loose in the hallways and the cafeteria goo is spreading. In this no-prep, printable zombie Math Mystery, students work as private investigators who solve order of operations problems, match each answer to a clue, and eliminate options one by one until each case is cracked. The self-checking, story-driven format builds real order-of-operations fluency while keeping 5th, 6th, and 7th graders hooked — a perfect Halloween or anytime activity for math centers, early finishers, homework, substitute/relief days, indoor recess, spiral review, and test prep.

Quick Details

  • Skill: Order of operations / PEMDAS (no exponents)
  • Grades: 5–7 (5th, 6th, 7th)
  • Format: 5 no-prep printable mystery worksheets in full color and black & white + clue lists + full answer keys (PDF)
  • Theme: Zombie / Halloween Math Mystery

The 5 Mysteries

Each case is a self-contained order-of-operations worksheet where students solve the problems, match answers to clues, and cross off options until the case is closed:

  • Case One: Find the Zombie — A zombie is hiding somewhere in your school. Solve the problems to work out which location it is lurking in.
  • Case Two: Zombie Leader — Someone is turning everyone into zombies. Calculate your way through the clues to reveal who is behind it.
  • Case Three: Zombie Science Lab — The science lab has been broken into and students are turning zombie-like. Solve the problems to identify the mysterious substance.
  • Case Four: Zombie Lunch — Green goo has appeared in the cafeteria and lunch is turning students into zombies. Work out exactly what caused the outbreak.
  • Case Five: Zombie Gymnasium — Students in the gym are groaning and shuffling. Uncover who brought the zombie virus in and how.

Why Teachers Love It

  • Zero prep — just print and hand out; a print-friendly black & white version is included too.
  • Self-checking — the elimination format means students catch their own mistakes and stay accountable.
  • Engagement that lasts — the zombie storyline pulls in even reluctant and struggling students.
  • Differentiation-friendly — assign one case at a time or the full set; ideal for mixed-ability classrooms.

Skills Covered

  • Order of operations without exponents (PEMDAS / BODMAS)
  • Multi-step calculations with parentheses, multiplication, division, addition, and subtraction
  • Careful, accurate step-by-step working
  • Logical reasoning and deductive process of elimination

What's Included

  • 5 print-and-go mystery worksheets (one per case), in full color and black & white
  • Matching clue and suspect lists
  • Full answer keys for every case
  • Student detective instructions

Best Used For

Halloween math, math centers, independent practice, early finishers, homework, substitute/relief days, indoor recess, spiral review, and test prep — any time you want order of operations practice that feels like a game.

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

  • After purchase, you’ll receive an email with a download link within minutes.
  • Make sure to check your spam or promotions folder if you don't see it right away.
  • If you experience any issues accessing your files, please contact us and we’ll help you promptly.

Due to the nature of digital products, all sales are final.

We do not offer refunds or exchanges once a file has been downloaded.

However, if you encounter any problems with your download or the product itself, please reach out — we're happy to assist.

  • 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.

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.



Order of operations no-exponents zombie Math Mystery worksheets, detective cover grades 5-7

Order of Operations (No Exponents) | Zombie Math Mystery | Grades 5–7 | Detective Mystery

$4.00

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