Math Crackers
🔎 HalloweenGrade 6Reading: grades 3-4PercentagesExponentsOrder of operationsMultiplicationDivision

The Mystery of Midnight Hollow

Someone sabotaged the Halloween Carnival and stole the Golden Pumpkin Trophy! The Detective Club must track down clues around the carnival grounds to unmask the villain before midnight.

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 PowerTrick GadgetDominant HandCostume WigSecret Weakness
Jack LanternCandy MorphBat LauncherLeft-HandedPurple WigBright Flashlight
Luna SpellmanIllusion PowderBat LauncherLeft-HandedPurple WigGarlic Salt
Grandpa MunsterSpooky HowlShadow LanternLeft-HandedPurple WigGarlic Salt
Pugsley AddamsSpooky HowlSpider CannonLeft-HandedOrange WigGarlic Salt
Mary ShelleyCandy MorphBat LauncherLeft-HandedPurple WigGarlic Salt
Sabrina SpellShadow StepGlow Slime BombLeft-HandedBlack WigGarlic Salt
Wolfman JackCandy MorphShadow LanternLeft-HandedPurple WigBright Flashlight
Casper GhostCandy MorphBat LauncherRight-HandedOrange WigBright Flashlight
Broomstick BrendaSpooky HowlGlow Slime BombRight-HandedBlack WigBright Flashlight
Herman MunsterLevitation SpellSpider CannonLeft-HandedPurple WigGarlic Salt
Morticia AddamsCandy MorphShadow LanternRight-HandedBlack WigSilver Bell
Mummy CurseIllusion PowderBat LauncherRight-HandedPurple WigGarlic Salt
Gomez AddamsCandy MorphSpider CannonLeft-HandedOrange WigGarlic Salt
Wednesday AddamsSpooky HowlSpider CannonRight-HandedPurple WigGarlic Salt
Beetle JuiceSpooky HowlShadow LanternRight-HandedOrange WigBright Flashlight
Dracula VladSpooky HowlBat LauncherRight-HandedOrange WigBright Flashlight
Lily MunsterIllusion PowderBat LauncherRight-HandedBlack WigSilver Bell
Eddie MunsterIllusion PowderBat LauncherLeft-HandedBlack WigGarlic Salt
Igor AssistantIllusion PowderSpider CannonLeft-HandedBlack WigBright Flashlight
Bram StokerShadow StepShadow LanternLeft-HandedPurple WigSilver Bell
Corpse BrideLevitation SpellGlow Slime BombLeft-HandedPurple WigGarlic Salt
Clue 1

Percentages

The festival security scanner shows a percentage readout of all trick bags searched.

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
21
43
9
32
16
11
11
12
16
31
28
13
9
39
31
13
T
21
30
39
9
12
3
11
13
40
39
11
16
27
9
26
13
27
26
20% of 105 =T
25% of 44 =L
40% of 80 =V
75% of 40 =U
75% of 12 =E
5% of 320 =I
50% of 80 =W
5% of 620 =N
25% of 52 =O
60% of 65 =S
50% of 52 =B
75% of 16 =A
20% of 15 =G
75% of 36 =M
10% of 430 =H
25% of 112 =D
0/16 letters found
Clue 2

Exponents

A mysterious pumpkin puzzle machine ranks scores using powers of two.

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

W
343
8
32
400
196
216
216
216
49
W
343
100
196
169
32
125
49
400
25
125
196
100
25
125
8
27
125
7^3 =W
14^2 =E
5^3 =H
5^2 =D
2^5 =T
7^2 =A
13^2 =F
6^3 =S
3^3 =G
10^2 =L
20^2 =N
2^3 =I
0/12 letters found
Clue 3

Order of operations

The witch's riddle door opens only when you evaluate a multi-step candy recipe code.

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

S
25
15
22
59
46
52
22
8
22
33
34
33
72
22
59
30
29
15
S
25
22
30
71
9 + 2 × 8 =S
47 + 6 × 4 =T
44 + 5 × 3 =R
5 × 8 - 11 =I
11 × 6 - 14 =D
11 × 8 - 16 =G
4 + 2 × 2 =W
8 × 4 - 2 =L
6 × 9 - 21 =Y
10 + 8 × 3 =B
9 × 3 - 5 =A
38 + 4 × 2 =E
4 × 7 - 13 =C
0/13 letters found
Clue 4

Multiplication facts (1-12)

The head baker multiplies rows of spooky cupcakes to find the total count.

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

P
121
132
18
P
121
42
88
81
77
7
22
77
40
88
18
8
90
1
8
99
88
5
88
11 × 11 =P
9 × 10 =A
7 × 6 =L
4 × 2 =S
1 × 7 =G
9 × 9 =W
11 × 2 =F
12 × 11 =U
9 × 2 =R
8 × 11 =E
5 × 8 =B
7 × 11 =I
1 × 1 =T
5 × 1 =N
9 × 11 =C
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

The town mayor divides glowing lanterns equally among all night parade teams.

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
36 ÷ 4 = ?
56 ÷ 7 = ?
54 ÷ 9 = ?
60 ÷ 6 = ?
12 ÷ 4 = ?
10 ÷ 5 = ?
4 ÷ 1 = ?
110 ÷ 10 = ?
21 ÷ 3 = ?
4 ÷ 4 = ?
35 ÷ 7 = ?
Step 2 — cross out the sentence with each answer
1.The villain performed a candy morph, then blasted a spider cannon.
2.The villain cast a levitation spell, then set off a ghostly fog machine.
3.The villain cast a levitation spell, then fired a bat launcher.
4.The villain used a shadow step, then blasted a spider cannon.
5.The villain let out a spooky howl, then set off a ghostly fog machine.
6.The villain performed a candy morph, then fired a bat launcher.
7.The villain tossed illusion powder, then lit a shadow lantern.
8.The villain cast a levitation spell, then blasted a spider cannon.
9.The villain let out a spooky howl, then lit a shadow lantern.
10.The villain used a shadow step, then lit a shadow lantern.
11.The villain performed a candy morph, then lit a shadow lantern.
12.The villain tossed illusion powder, then fired a bat launcher.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 6 math
Math topics
Percentages, Exponents, Order of operations, Multiplication, Division
Reading level
grades 3-4
Theme
The Mystery of Midnight Hollow — set in Midnight Hollow Halloween Carnival
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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