🔎 HalloweenGrade 4Reading: grades 3-4AdditionSubtractionMultiplicationRoundingDivision

The Great Pumpkin Patch Prankster

Someone snuck into the Harvest Barn and swapped all the fresh pumpkin pies with salty mud pies! Check the clues to catch the perpetrator.

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play

Name	Disguise	Trick Gadget	Carrying Stance	Wig Color	Treat Craving
Luna Lovegood	Witch Hat	Slime Blaster	Left Handed	Pumpkin Orange	Sour Gummies
Hermione Granger	Skeleton Suit	Fog Machine	Right Handed	Neon Purple	Sour Gummies
Winifred Sanderson	Mummy Wraps	Bat Launcher	Left Handed	Midnight Black	Chocolate Bats
Mary Sanderson	Witch Hat	Cobweb Cannon	Left Handed	Neon Purple	Sour Gummies
Bettle Juice	Vampire Cloak	Glow Lantern	Left Handed	Neon Purple	Sour Gummies
Lily Munster	Werewolf Fur	Glow Lantern	Left Handed	Midnight Black	Candy Corn
Frankie Stein	Skeleton Suit	Fog Machine	Right Handed	Neon Purple	Candy Corn
Morticia Addams	Werewolf Fur	Glow Lantern	Right Handed	Pumpkin Orange	Sour Gummies
Neville Longbottom	Mummy Wraps	Slime Blaster	Left Handed	Midnight Black	Chocolate Bats
Pugsley Addams	Witch Hat	Glow Lantern	Left Handed	Midnight Black	Chocolate Bats
Norville Rogers	Vampire Cloak	Fog Machine	Left Handed	Pumpkin Orange	Sour Gummies
Jack Lantern	Witch Hat	Bat Launcher	Left Handed	Neon Purple	Chocolate Bats
Sabrina Spellman	Vampire Cloak	Cobweb Cannon	Left Handed	Midnight Black	Candy Corn
Freddie Jones	Vampire Cloak	Glow Lantern	Left Handed	Midnight Black	Candy Corn
Casper White	Werewolf Fur	Bat Launcher	Left Handed	Neon Purple	Chocolate Bats
Wednesday Addams	Werewolf Fur	Cobweb Cannon	Right Handed	Midnight Black	Candy Corn
Count Vlad	Mummy Wraps	Glow Lantern	Right Handed	Midnight Black	Chocolate Bats
Sally Skellington	Mummy Wraps	Slime Blaster	Right Handed	Neon Purple	Chocolate Bats
Herman Munster	Werewolf Fur	Cobweb Cannon	Left Handed	Midnight Black	Chocolate Bats
Sarah Sanderson	Vampire Cloak	Bat Launcher	Right Handed	Midnight Black	Chocolate Bats
Velma Dinkley	Skeleton Suit	Bat Launcher	Left Handed	Midnight Black	Chocolate Bats

Clue 1

Addition

Detective Sam counted up all the shiny Halloween badges found near the pie display to unlock the first clue.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

6116

3160

5030

2221

4833

9711

2609

4833

6061

2737

4833

2737

6061

6985

6116

8265

2039

5030

2609

7162

6985

9805

4566

5030

9805

7162

2609

6061

6985

6061

3557 + 2559 =T

2562 + 2468 =E

948 + 2212 =H

1093 + 1516 =A

1891 + 2942 =I

4428 + 5377 =B

3864 + 5847 =L

1816 + 921 =D

826 + 1395 =V

910 + 1129 =S

2287 + 2279 =W

3247 + 5018 =U

4101 + 1960 =N

3823 + 3339 =C

4832 + 2153 =O

0/15 letters found

Clue 2

Subtraction

Sam took away the broken lantern shards from the total evidence pile to uncover the second secret.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

1987

1012

6134

1052

4963

1052

8700

6134

8110

1987

5659

6134

5843

1987

1012

1726

6797

7482

8700

4861

7308

6797

1987

1052

2219

6797

1987

1012

6134

5659

6134

5843

1987

1052

7308

7482

6134

4302 - 2315 =T

2304 - 578 =A

6285 - 1322 =U

6874 - 77 =N

5276 - 415 =R

4859 - 2640 =O

8300 - 818 =D

12609 - 4499 =C

9584 - 884 =P

10627 - 4784 =F

7076 - 1417 =L

3667 - 2615 =S

3113 - 2101 =H

7551 - 1417 =E

9440 - 2132 =I

0/15 letters found

Clue 3

Multiplication facts (1-12)

By organizing the candy boxes into equal rows and counting the total, Sam unlocked the third piece of evidence.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

108

7 × 5 =A

5 × 10 =H

11 × 1 =T

3 × 5 =W

9 × 9 =R

6 × 3 =N

8 × 10 =D

3 × 11 =E

3 × 10 =I

9 × 12 =B

9 × 7 =C

11 × 9 =U

11 × 7 =L

1 × 2 =F

11 × 6 =O

7 × 6 =S

0/16 letters found

Clue 4

Rounding

The digital scarecrow scanner only displays rounded distance numbers, but it reveals the fourth clue.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

370

500

200

290

4300

700

2300

1100

110

290

3700

170

2300

370

1300

900

170

700

500

170

2300

3700

290

170

370

3700

Round 94 to the nearest tenM

Round 166 to the nearest tenE

Round 2,297 to the nearest hundredA

Round 1,115 to the nearest hundredC

Round 493 to the nearest hundredN

Round 66 to the nearest tenH

Round 4,314 to the nearest hundredB

Round 31 to the nearest tenO

Round 367 to the nearest tenD

Round 1,295 to the nearest hundredS

Round 3,663 to the nearest hundredR

Round 853 to the nearest hundredF

Round 54 to the nearest tenI

Round 292 to the nearest tenT

Round 106 to the nearest tenK

Round 247 to the nearest hundredG

Round 651 to the nearest hundredL

0/17 letters found

Clue 5

Division facts (1-12) — the last clue

Sam split the leftover mini pumpkins into equal gift bags for the town, unlocking the final clue.

First solve each problem. Then find each answer in the list below and cross that sentence out. One sentence will be left — that's exactly what the villain did!

Step 1 — solve these

7 ÷ 1 = ?

12 ÷ 6 = ?

40 ÷ 4 = ?

12 ÷ 2 = ?

24 ÷ 2 = ?

24 ÷ 3 = ?

132 ÷ 12 = ?

81 ÷ 9 = ?

8 ÷ 8 = ?

27 ÷ 9 = ?

45 ÷ 9 = ?

Step 2 — cross out the sentence with each answer

1.The villain prowls in werewolf fur, then fills the room with thick fog.

2.The villain wraps up in mummy cloth, then launches toy bats into the air.

3.The villain prowls in werewolf fur, then shoots sticky cobwebs around.

4.The villain rattles in a skeleton suit, then launches toy bats into the air.

5.The villain wears a vampire cloak, then shoots sticky cobwebs around.

6.The villain wears a vampire cloak, then launches toy bats into the air.

7.The villain cackles under a witch hat, then shines a spooky glow lantern.

8.The villain wraps up in mummy cloth, then fills the room with thick fog.

9.The villain cackles under a witch hat, then shoots sticky cobwebs around.

10.The villain wraps up in mummy cloth, then blasts slimy goo everywhere.

11.The villain rattles in a skeleton suit, then shoots sticky cobwebs around.

12.The villain cackles under a witch hat, then blasts slimy goo everywhere.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Great Pumpkin Patch Prankster

Culprit: Velma Dinkley (Skeleton Suit · Bat Launcher · Left Handed · Midnight Black · Chocolate Bats)

Clue 1 (Addition): "THE VILLAIN DID NOT USE A COBWEB CANNON"
3557 + 2559 = 6116 (T) · 2562 + 2468 = 5030 (E) · 948 + 2212 = 3160 (H) · 1093 + 1516 = 2609 (A) · 1891 + 2942 = 4833 (I) · 4428 + 5377 = 9805 (B) · 3864 + 5847 = 9711 (L) · 1816 + 921 = 2737 (D) · 826 + 1395 = 2221 (V) · 910 + 1129 = 2039 (S) · 2287 + 2279 = 4566 (W) · 3247 + 5018 = 8265 (U) · 4101 + 1960 = 6061 (N) · 3823 + 3339 = 7162 (C) · 4832 + 2153 = 6985 (O)
Clue 2 (Subtraction): "THE SUSPECT LEFT HANDPRINTS ON THE LEFT SIDE"
4302 - 2315 = 1987 (T) · 2304 - 578 = 1726 (A) · 6285 - 1322 = 4963 (U) · 6874 - 77 = 6797 (N) · 5276 - 415 = 4861 (R) · 4859 - 2640 = 2219 (O) · 8300 - 818 = 7482 (D) · 12609 - 4499 = 8110 (C) · 9584 - 884 = 8700 (P) · 10627 - 4784 = 5843 (F) · 7076 - 1417 = 5659 (L) · 3667 - 2615 = 1052 (S) · 3113 - 2101 = 1012 (H) · 7551 - 1417 = 6134 (E) · 9440 - 2132 = 7308 (I)
Clue 3 (Multiplication facts (1-12)): "A TRAIL OF CHOCOLATE BATS WAS FOUND"
7 × 5 = 35 (A) · 5 × 10 = 50 (H) · 11 × 1 = 11 (T) · 3 × 5 = 15 (W) · 9 × 9 = 81 (R) · 6 × 3 = 18 (N) · 8 × 10 = 80 (D) · 3 × 11 = 33 (E) · 3 × 10 = 30 (I) · 9 × 12 = 108 (B) · 9 × 7 = 63 (C) · 11 × 9 = 99 (U) · 11 × 7 = 77 (L) · 1 × 2 = 2 (F) · 11 × 6 = 66 (O) · 7 × 6 = 42 (S)
Clue 4 (Rounding): "MIDNIGHT BLACK THREADS FELL NEAR THE DOOR"
Round 94 to the nearest ten = 90 (M) · Round 166 to the nearest ten = 170 (E) · Round 2,297 to the nearest hundred = 2300 (A) · Round 1,115 to the nearest hundred = 1100 (C) · Round 493 to the nearest hundred = 500 (N) · Round 66 to the nearest ten = 70 (H) · Round 4,314 to the nearest hundred = 4300 (B) · Round 31 to the nearest ten = 30 (O) · Round 367 to the nearest ten = 370 (D) · Round 1,295 to the nearest hundred = 1300 (S) · Round 3,663 to the nearest hundred = 3700 (R) · Round 853 to the nearest hundred = 900 (F) · Round 54 to the nearest ten = 50 (I) · Round 292 to the nearest ten = 290 (T) · Round 106 to the nearest ten = 110 (K) · Round 247 to the nearest hundred = 200 (G) · Round 651 to the nearest hundred = 700 (L)
Clue 5 (Division facts (1-12)): surviving statement (box 4) → Velma Dinkley
7 ÷ 1 = 7 · 12 ÷ 6 = 2 · 40 ÷ 4 = 10 · 12 ÷ 2 = 6 · 24 ÷ 2 = 12 · 24 ÷ 3 = 8 · 132 ÷ 12 = 11 · 81 ÷ 9 = 9 · 8 ÷ 8 = 1 · 27 ÷ 9 = 3 · 45 ÷ 9 = 5

About this mystery

Grade level: Grade 4 math
Math topics: Addition, Subtraction, Multiplication, Rounding, Division
Reading level: grades 3-4
Theme: The Great Pumpkin Patch Prankster — set in The Spooky Hollow Harvest Fair
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

More free printable math cases

4th grade worksheets Addition worksheets Subtraction worksheets Multiplication worksheets Division worksheets Rounding worksheets All worksheets →

The Great Championship Trophy Mystery

Grade 4

The Case of the Missing Star Crystal

Grade 4

The Mystery of the Rogue Bot

Grade 4

The Case of the Missing Diamond Trophy

Grade 4