🔎 HaloweenGrade 6Reading: grades 5-6Fractions of a numberWord problemsPercentagesExponents
The Case of the Vanishing Great Pumpkin
Tonight is the annual Halloween Spook Fest, but someone snatched the legendary giant pumpkin right off the main stage! Detective work is needed to clear innocent suspects and unmask the culprit 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
| Name | Spook Ability | Special Skill | Dominant Hand | Disguise Piece | Vulnerability |
|---|---|---|---|---|---|
| Astrid Night | Telekinesis | Levitation | Right Handed | Purple Hood | Garlic Spray |
| Rowena Raven | Bat Summoning | Glowing Eyes | Left Handed | Purple Hood | Garlic Spray |
| Gomez Addams | Telekinesis | Levitation | Right Handed | Orange Wig | Bright Flashlight |
| Glinda Star | Telekinesis | Ice Breath | Right Handed | Black Cape | Garlic Spray |
| Morticia Grim | Spellcasting | Levitation | Left Handed | Orange Wig | Loud Bell |
| Salem Cat | Shadow Camouflage | Ice Breath | Right Handed | Black Cape | Bright Flashlight |
| Jack Lantern | Shadow Camouflage | Fog Creation | Left Handed | Black Cape | Loud Bell |
| Wendy Witch | Potion Brewing | Glowing Eyes | Left Handed | Orange Wig | Loud Bell |
| Bram Stoker | Potion Brewing | Fog Creation | Left Handed | Purple Hood | Bright Flashlight |
| Casper Vance | Shadow Camouflage | Sonic Screech | Left Handed | Orange Wig | Loud Bell |
| Mandy Ghost | Spellcasting | Levitation | Left Handed | Purple Hood | Loud Bell |
| Gideon Tomb | Potion Brewing | Sonic Screech | Right Handed | Purple Hood | Garlic Spray |
| Thackery Binx | Potion Brewing | Glowing Eyes | Left Handed | Purple Hood | Loud Bell |
| Elvira Shadow | Spellcasting | Levitation | Left Handed | Black Cape | Bright Flashlight |
| Willow Bark | Telekinesis | Glowing Eyes | Left Handed | Purple Hood | Garlic Spray |
| Igor Crunch | Shadow Camouflage | Glowing Eyes | Left Handed | Orange Wig | Garlic Spray |
| Merlin Wand | Shadow Camouflage | Levitation | Left Handed | Orange Wig | Loud Bell |
| Jasper Haunt | Potion Brewing | Fog Creation | Left Handed | Orange Wig | Loud Bell |
| Vesper Cobweb | Bat Summoning | Glowing Eyes | Right Handed | Orange Wig | Loud Bell |
| Tabitha Broom | Bat Summoning | Glowing Eyes | Left Handed | Black Cape | Bright Flashlight |
| Sabrina Spell | Shadow Camouflage | Levitation | Right Handed | Black Cape | Bright Flashlight |
Clue 1
Fractions of a number
The festival security grid calculates fraction shares of total park energy to narrow down suspect logs.
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
39
33
37
21
20
21
26
37
18
T
39
10
16
37
21
23
16
T
39
20
21
37
14
16
30
18
13
37
6
T
39
17
16
23
2/4 of 78 =T
4/8 of 28 =F
3/8 of 56 =S
1/6 of 108 =C
4/6 of 24 =O
3/6 of 46 =N
3/8 of 16 =A
2/10 of 185 =E
2/8 of 68 =I
2/5 of 50 =U
4/8 of 26 =R
1/6 of 198 =H
1/3 of 30 =D
2/3 of 39 =P
5/8 of 48 =G
0/15 letters found
Clue 2
Word problems
The lead detective reviews witness accounts and inventory counts collected across the carnival grounds.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
L
111
15
120
113
33
104
94
D
15
D
There were 135 candy corn bags. 24 were used up. How many candy corn bags are left?L
Pumpkin carver found 22 carved pumpkins yesterday and 72 more today. How many carved pumpkins in all?N
Pumpkin carver found 11 candy corn bags yesterday and 4 more today. How many candy corn bags in all?E
Pumpkin carver lined up 3 rows of 11 spooky lanterns. How many spooky lanterns in all?H
Pumpkin carver found 38 spooky lanterns yesterday and 75 more today. How many spooky lanterns in all?T
Pumpkin carver lined up 12 rows of 10 glow sticks. How many glow sticks in all?F
There were 131 carved pumpkins. 27 were used up. How many carved pumpkins are left?A
0/7 letters found
Clue 3
Percentages
A digital scanner measures percentage matches between glowing residue at the scene and costume fabrics.
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
22
13
26
10
43
10
40
26
3
T
22
38
43
28
10
7
17
7
21
34
38
18
30
37
18
43
35
32
26
37
37
10
5% of 440 =T
25% of 12 =C
5% of 700 =D
50% of 86 =U
50% of 42 =Y
25% of 68 =W
5% of 360 =O
5% of 140 =A
5% of 520 =E
50% of 56 =N
10% of 130 =H
5% of 680 =F
25% of 152 =R
25% of 160 =P
5% of 740 =L
10% of 320 =B
20% of 50 =S
10% of 300 =M
0/18 letters found
Clue 4
Exponents
Analyzing sound wave frequencies from the night security tape requires calculating exponential growth rates.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
F
128
8
225
27
343
16
361
100
243
16
27
343
8
F
128
16
27
8
243
16
27
289
9
64
125
289
16
100
361
256
9
27
9
2^7 =F
4^2 =A
3^2 =E
2^6 =W
15^2 =U
7^3 =D
2^3 =O
10^2 =T
5^3 =I
3^5 =R
17^2 =G
3^3 =N
19^2 =S
2^8 =C
0/14 letters found
Clue 5
Fractions of a number — the last clue
The final clue relies on finding fractional parts of the remaining candy supply markers.
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
8/10 of 10 = ?
1/6 of 30 = ?
1/5 of 20 = ?
1/4 of 24 = ?
4/5 of 15 = ?
2/8 of 40 = ?
7/10 of 10 = ?
3/6 of 22 = ?
3/6 of 4 = ?
2/4 of 6 = ?
4/8 of 2 = ?
Step 2 — cross out the sentence with each answer
1.The villain cast spooky spells on the guards, then blew freezing ice breath.
2.The villain summoned bats to create a distraction, then blew freezing ice breath.
3.The villain lifted heavy crates with telekinesis, then levitated over the fence.
4.The villain cast spooky spells on the guards, then levitated over the fence.
5.The villain hid in the dark shadows, then let out a loud sonic screech.
6.The villain hid in the dark shadows, then blew freezing ice breath.
7.The villain brewed a bubbling sleepy potion, then levitated over the fence.
8.The villain brewed a bubbling sleepy potion, then beamed glowing eyes into the night.
9.The villain hid in the dark shadows, then levitated over the fence.
10.The villain hid in the dark shadows, then created thick fog everywhere.
11.The villain cast spooky spells on the guards, then beamed glowing eyes into the night.
12.The villain lifted heavy crates with telekinesis, then created thick fog everywhere.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Vanishing Great Pumpkin
Culprit: Merlin Wand (Shadow Camouflage · Levitation · Left Handed · Orange Wig · Loud Bell)
- Clue 1 (Fractions of a number): "THE SUSPECT DOES NOT USE FOG CREATION"2/4 of 78 = 39 (T) · 4/8 of 28 = 14 (F) · 3/8 of 56 = 21 (S) · 1/6 of 108 = 18 (C) · 4/6 of 24 = 16 (O) · 3/6 of 46 = 23 (N) · 3/8 of 16 = 6 (A) · 2/10 of 185 = 37 (E) · 2/8 of 68 = 17 (I) · 2/5 of 50 = 20 (U) · 4/8 of 26 = 13 (R) · 1/6 of 198 = 33 (H) · 1/3 of 30 = 10 (D) · 2/3 of 39 = 26 (P) · 5/8 of 48 = 30 (G)
- Clue 2 (Word problems): "LEFT HANDED"There were 135 candy corn bags. 24 were used up. How many candy corn bags are left? = 111 (L) · Pumpkin carver found 22 carved pumpkins yesterday and 72 more today. How many carved pumpkins in all? = 94 (N) · Pumpkin carver found 11 candy corn bags yesterday and 4 more today. How many candy corn bags in all? = 15 (E) · Pumpkin carver lined up 3 rows of 11 spooky lanterns. How many spooky lanterns in all? = 33 (H) · Pumpkin carver found 38 spooky lanterns yesterday and 75 more today. How many spooky lanterns in all? = 113 (T) · Pumpkin carver lined up 12 rows of 10 glow sticks. How many glow sticks in all? = 120 (F) · There were 131 carved pumpkins. 27 were used up. How many carved pumpkins are left? = 104 (A)
- Clue 3 (Percentages): "THE SUSPECT RUNS AWAY FROM LOUD BELLS"5% of 440 = 22 (T) · 25% of 12 = 3 (C) · 5% of 700 = 35 (D) · 50% of 86 = 43 (U) · 50% of 42 = 21 (Y) · 25% of 68 = 17 (W) · 5% of 360 = 18 (O) · 5% of 140 = 7 (A) · 5% of 520 = 26 (E) · 50% of 56 = 28 (N) · 10% of 130 = 13 (H) · 5% of 680 = 34 (F) · 25% of 152 = 38 (R) · 25% of 160 = 40 (P) · 5% of 740 = 37 (L) · 10% of 320 = 32 (B) · 20% of 50 = 10 (S) · 10% of 300 = 30 (M)
- Clue 4 (Exponents): "FOUND A STRAND OF AN ORANGE WIG AT SCENE"2^7 = 128 (F) · 4^2 = 16 (A) · 3^2 = 9 (E) · 2^6 = 64 (W) · 15^2 = 225 (U) · 7^3 = 343 (D) · 2^3 = 8 (O) · 10^2 = 100 (T) · 5^3 = 125 (I) · 3^5 = 243 (R) · 17^2 = 289 (G) · 3^3 = 27 (N) · 19^2 = 361 (S) · 2^8 = 256 (C)
- Clue 5 (Fractions of a number): surviving statement (box 9) → Merlin Wand8/10 of 10 = 8 · 1/6 of 30 = 5 · 1/5 of 20 = 4 · 1/4 of 24 = 6 · 4/5 of 15 = 12 · 2/8 of 40 = 10 · 7/10 of 10 = 7 · 3/6 of 22 = 11 · 3/6 of 4 = 2 · 2/4 of 6 = 3 · 4/8 of 2 = 1
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Fractions of a number, Word problems, Percentages, Exponents
- Reading level
- grades 5-6
- Theme
- The Case of the Vanishing Great Pumpkin — set in Pumpkin Hollow Spook Fest
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects