Math Mysteries
🔎 HalloweenGrade 4Reading: grades 3-4RoundingSubtractionAdditionPlace valueDivision

The Great Pumpkin Patch Caper

Oh no! Someone swiped the Great Golden Pumpkin from the town square right before the big Halloween night party. The suspect left behind a trail of spooky clues!

Suspects

Possible suspects

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

21 of 21 still in play
NameSpooky CostumeMagic TrickWriting HandWig ColorSweets Allergy
LaurieWitch HatShadow JumpRight HandedMidnight Black WigSour Gummy Worms
PeterZombie MaskWeb ShooterRight HandedNeon Green WigChocolate Eyeballs
SallyGhost SheetBat SwarmRight HandedNeon Green WigChocolate Eyeballs
WolfmanGhost SheetShadow JumpRight HandedMidnight Black WigSour Gummy Worms
BorisSkeleton SuitFloating SparkRight HandedMidnight Black WigSour Gummy Worms
IgorVampire CapeShadow JumpRight HandedNeon Green WigSour Gummy Worms
MorticiaSkeleton SuitSpooky HowlRight HandedBright Orange WigCandy Corn
BelaSkeleton SuitFloating SparkLeft HandedMidnight Black WigSour Gummy Worms
BuffyZombie MaskBat SwarmRight HandedMidnight Black WigSour Gummy Worms
CasperZombie MaskSpooky HowlRight HandedMidnight Black WigCandy Corn
HermanGhost SheetFloating SparkRight HandedNeon Green WigSour Gummy Worms
SabrinaWitch HatShadow JumpRight HandedMidnight Black WigChocolate Eyeballs
ElviraSkeleton SuitFloating SparkLeft HandedBright Orange WigCandy Corn
LilyVampire CapeFloating SparkRight HandedMidnight Black WigCandy Corn
VincentGhost SheetShadow JumpLeft HandedMidnight Black WigCandy Corn
MarnieWitch HatSpooky HowlRight HandedBright Orange WigCandy Corn
IchabodVampire CapeShadow JumpLeft HandedBright Orange WigChocolate Eyeballs
GomezWitch HatBat SwarmRight HandedNeon Green WigChocolate Eyeballs
LinusVampire CapeWeb ShooterRight HandedMidnight Black WigChocolate Eyeballs
FrankieGhost SheetWeb ShooterRight HandedMidnight Black WigSour Gummy Worms
WednesdayZombie MaskWeb ShooterRight HandedMidnight Black WigChocolate Eyeballs
Clue 1

Rounding

The Spooky Scout checks the gate entry screen. It only shows rounded numbers of guests, but it reveals the first 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.

V
50
4300
500
500
90
4300
110
130
9000
3700
300
110
9000
170
1100
300
3700
290
90
170
300
3000
90
430
70
Round 51 to the nearest tenV
Round 2,874 to the nearest thousandW
Round 433 to the nearest tenR
Round 523 to the nearest hundredL
Round 258 to the nearest hundredS
Round 4,303 to the nearest hundredI
Round 106 to the nearest tenN
Round 289 to the nearest tenB
Round 167 to the nearest tenT
Round 90 to the nearest tenA
Round 3,711 to the nearest hundredE
Round 9,154 to the nearest thousandO
Round 66 to the nearest tenM
Round 1,090 to the nearest hundredU
Round 129 to the nearest tenD
0/15 letters found
Clue 2

Subtraction

We find a pile of dropped treats. By subtracting the stolen sweets from the total, we find a hidden note!

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

T
8169
7159
3300
3729
2888
5688
5688
7785
2888
8039
4972
8798
2888
T
8169
3300
4194
4972
2888
T
8169
7159
T
8169
7159
3300
8798
2888
1329
7159
T
8169
7159
7785
8039
1311
9974 - 1805 =T
7581 - 1893 =L
6521 - 1549 =W
10874 - 2835 =N
6290 - 3402 =I
3647 - 2336 =D
5580 - 4251 =G
10508 - 1710 =R
6532 - 2338 =S
8857 - 1072 =A
3797 - 497 =E
4377 - 648 =V
8824 - 1665 =H
0/13 letters found
Clue 3

Addition

The Ghoul Squad counts the plastic spiders on the wall. Adding them all up reveals a message written in cobwebs!

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

T
3573
8730
6296
2244
6868
4652
4652
5493
6868
3175
6320
5493
3175
5493
2276
5493
8515
2856
6320
6139
8298
4447
3624
8298
8298
8515
2276
6139
6320
8298
4776
1535 + 2038 =T
3808 + 4707 =Y
2157 + 1467 =U
1644 + 1212 =F
1383 + 1792 =N
2048 + 2399 =G
2920 + 2573 =A
3507 + 2813 =R
2712 + 2064 =S
2618 + 3678 =E
1919 + 4220 =O
2056 + 2596 =L
4396 + 3902 =M
1265 + 979 =V
1402 + 874 =W
2977 + 3891 =I
4442 + 4288 =H
0/17 letters found
Clue 4

Place value

A dusty old combination lock requires us to find the value of the digit in the tens place to pop open the box.

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

B
700
30
100
600
2000
5000
100
50
300
3000
8000
300
100
400
70
3000
900
80
300
80
30
80
7000
8000
B
700
80
5000
50
400
70
What is the value of the 7 in 4,735?B
What is the value of the 8 in 8,660?T
What is the value of the 3 in 3,691?S
What is the value of the 5 in 8,754?I
What is the value of the 1 in 3,128?A
What is the value of the 5 in 25,484?H
What is the value of the 9 in 8,952?W
What is the value of the 3 in 435?L
What is the value of the 6 in 643?C
What is the value of the 4 in 423?N
What is the value of the 7 in 6,673?D
What is the value of the 7 in 57,488?F
What is the value of the 8 in 6,782?E
What is the value of the 2 in 2,696?K
What is the value of the 3 in 324?R
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

To get the final clue from the friendly ghost, we must divide a bag of pumpkin seeds equally among the team.

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
24 ÷ 3 = ?
9 ÷ 1 = ?
7 ÷ 1 = ?
22 ÷ 11 = ?
3 ÷ 3 = ?
44 ÷ 11 = ?
30 ÷ 6 = ?
12 ÷ 2 = ?
6 ÷ 2 = ?
132 ÷ 12 = ?
12 ÷ 1 = ?
Step 2 — cross out the sentence with each answer
1.The villain scuttles along the dark path, then vanishes with a spooky howl.
2.The villain flies over the creaky fence, then disappears in a bat swarm.
3.The villain scuttles along the dark path, then fades into a shadow jump.
4.The villain flies over the creaky fence, then vanishes with a spooky howl.
5.The villain scuttles along the dark path, then escapes using a floating spark.
6.The villain scuttles along the dark path, then disappears in a bat swarm.
7.The villain creeps behind the hay bales, then escapes using a floating spark.
8.The villain flies over the creaky fence, then fades into a shadow jump.
9.The villain marches through the fog, then swings away with a web shooter.
10.The villain marches through the fog, then fades into a shadow jump.
11.The villain flies over the creaky fence, then swings away with a web shooter.
12.The villain sneaks through the spooky patch, then swings away with a web shooter.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

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

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