🔎 HalloweenGrade 6Reading: grades 5-6Fractions of a numberMultiplicationPercentagesExponents
The Case of the Halloween Hoax
On Halloween Eve, a mysterious culprit disrupted the Hollow Hill Festival and hid the Golden Pumpkin Trophy. The Midnight Mystery Club must examine the clues to unmask the perpetrator 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 | Spooky Magic | Trick Attack | Dominant Hand | Haunted Hair | Secret Flaw |
|---|---|---|---|---|---|
| Sabrina Shade | bat swarm | spider weave | left handed | orange locks | silver bell |
| Rowan Raven | bat swarm | poison apple | right handed | orange locks | bright light |
| Zoe Zombie | ghost flight | grave chill | left handed | raven hair | bright light |
| Ember Cauldron | shadow shift | fog cloak | left handed | raven hair | silver bell |
| Luna Night | pumpkin blast | grave chill | left handed | raven hair | salt circle |
| Boris Bones | curse spell | candy lure | right handed | purple bangs | salt circle |
| Hester Witch | bat swarm | poison apple | right handed | raven hair | salt circle |
| Gargoyle Gary | ghost flight | fog cloak | right handed | orange locks | bright light |
| Gwen Ghoul | pumpkin blast | fog cloak | left handed | raven hair | bright light |
| Dante Dark | shadow shift | candy lure | right handed | raven hair | silver bell |
| Ivy Cobweb | pumpkin blast | fog cloak | right handed | raven hair | silver bell |
| Orson Owl | curse spell | poison apple | right handed | orange locks | silver bell |
| Morty Crypt | shadow shift | poison apple | left handed | purple bangs | salt circle |
| Fiona Fog | pumpkin blast | spider weave | left handed | orange locks | bright light |
| Mina Monster | shadow shift | poison apple | left handed | raven hair | salt circle |
| Vlad Fang | ghost flight | fog cloak | right handed | raven hair | bright light |
| Bram Stoker | curse spell | spider weave | left handed | purple bangs | silver bell |
| Victor Vault | ghost flight | fog cloak | right handed | orange locks | silver bell |
| Salem Spell | bat swarm | grave chill | right handed | raven hair | silver bell |
| Tara Tomb | shadow shift | poison apple | right handed | raven hair | silver bell |
| Piper Pumpkin | ghost flight | fog cloak | right handed | raven hair | silver bell |
Clue 1
Fractions of a number
The suspect dropped a potion recipe book with partial fractions written on the parchment.
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
4
8
25
24
34
22
22
37
34
6
27
18
25
39
6
18
T
4
7
39
25
40
37
6
27
17
22
7
28
25
2/5 of 10 =T
1/3 of 51 =Y
3/5 of 45 =D
2/10 of 140 =R
1/8 of 56 =U
4/8 of 44 =L
2/10 of 195 =S
1/10 of 180 =O
2/8 of 148 =A
8/10 of 10 =H
4/6 of 51 =I
4/10 of 60 =V
1/8 of 200 =E
1/8 of 48 =N
2/5 of 100 =C
0/15 letters found
Clue 2
Multiplication facts (1-12)
A crate of decorative jack-o-lanterns was arranged in equal rows across the haunted lawn.
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
90
99
70
88
36
T
90
4
70
80
80
80
35
88
35
49
36
81
99
T
90
99
35
4
6
70
6
45
36
28
28
35
36
4
10 × 9 =T
6 × 1 =D
9 × 5 =V
9 × 11 =H
5 × 7 =A
7 × 7 =R
7 × 4 =L
8 × 10 =S
7 × 10 =E
11 × 8 =W
4 × 1 =N
9 × 9 =G
4 × 9 =I
0/13 letters found
Clue 3
Percentages
The spectral security meter calculated the exact percentage of glowing ectoplasm in the air.
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
32
45
41
23
37
7
7
25
37
13
37
14
14
T
32
22
35
35
41
12
40
43
25
14
37
7
23
41
18
40
41
7
7
40% of 80 =T
10% of 120 =D
20% of 200 =B
25% of 28 =L
20% of 115 =V
40% of 45 =R
25% of 148 =I
50% of 44 =O
5% of 260 =N
20% of 215 =Y
10% of 140 =S
50% of 70 =P
50% of 50 =A
10% of 450 =H
5% of 820 =E
0/15 letters found
Clue 4
Exponents
The magic crystal multiplied power levels rapidly using exponential spell steps.
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
64
216
36
36
256
343
81
36
27
49
36
343
27
49
225
144
81
36
243
400
361
256
36
27
216
361
343
400
2^6 =T
3^5 =S
3^3 =N
2^8 =V
15^2 =L
6^2 =E
12^2 =U
7^3 =I
20^2 =R
19^2 =A
3^4 =D
7^2 =C
6^3 =H
0/13 letters found
Clue 5
Fractions of a number — the last clue
A portion of the candy stash was divided into precise fractional bags at midnight.
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
4/6 of 6 = ?
5/10 of 16 = ?
1/10 of 110 = ?
1/3 of 15 = ?
2/3 of 9 = ?
3/8 of 24 = ?
2/3 of 15 = ?
1/10 of 70 = ?
1/5 of 10 = ?
2/4 of 2 = ?
1/2 of 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain casts curse spell, then spins spider weave.
2.The villain uses shadow shift, then creates fog cloak.
3.The villain casts curse spell, then leaves grave chill.
4.The villain takes ghost flight, then creates fog cloak.
5.The villain summons bat swarm, then creates fog cloak.
6.The villain launches pumpkin blast, then spins spider weave.
7.The villain takes ghost flight, then leaves grave chill.
8.The villain uses shadow shift, then drops poison apple.
9.The villain casts curse spell, then drops poison apple.
10.The villain takes ghost flight, then spins spider weave.
11.The villain summons bat swarm, then leaves grave chill.
12.The villain launches pumpkin blast, then creates fog cloak.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Halloween Hoax
Culprit: Ivy Cobweb (pumpkin blast · fog cloak · right handed · raven hair · silver bell)
- Clue 1 (Fractions of a number): "THE VILLAIN DOES NOT USE CANDY LURE"2/5 of 10 = 4 (T) · 1/3 of 51 = 17 (Y) · 3/5 of 45 = 27 (D) · 2/10 of 140 = 28 (R) · 1/8 of 56 = 7 (U) · 4/8 of 44 = 22 (L) · 2/10 of 195 = 39 (S) · 1/10 of 180 = 18 (O) · 2/8 of 148 = 37 (A) · 8/10 of 10 = 8 (H) · 4/6 of 51 = 34 (I) · 4/10 of 60 = 24 (V) · 1/8 of 200 = 25 (E) · 1/8 of 48 = 6 (N) · 2/5 of 100 = 40 (C)
- Clue 2 (Multiplication facts (1-12)): "THE WITNESS SAW A RIGHT HANDED VILLAIN"10 × 9 = 90 (T) · 6 × 1 = 6 (D) · 9 × 5 = 45 (V) · 9 × 11 = 99 (H) · 5 × 7 = 35 (A) · 7 × 7 = 49 (R) · 7 × 4 = 28 (L) · 8 × 10 = 80 (S) · 7 × 10 = 70 (E) · 11 × 8 = 88 (W) · 4 × 1 = 4 (N) · 9 × 9 = 81 (G) · 4 × 9 = 36 (I)
- Clue 3 (Percentages): "THE VILLAIN IS STOPPED BY A SILVER BELL"40% of 80 = 32 (T) · 10% of 120 = 12 (D) · 20% of 200 = 40 (B) · 25% of 28 = 7 (L) · 20% of 115 = 23 (V) · 40% of 45 = 18 (R) · 25% of 148 = 37 (I) · 50% of 44 = 22 (O) · 5% of 260 = 13 (N) · 20% of 215 = 43 (Y) · 10% of 140 = 14 (S) · 50% of 70 = 35 (P) · 50% of 50 = 25 (A) · 10% of 450 = 45 (H) · 5% of 820 = 41 (E)
- Clue 4 (Exponents): "THE EVIDENCE INCLUDES RAVEN HAIR"2^6 = 64 (T) · 3^5 = 243 (S) · 3^3 = 27 (N) · 2^8 = 256 (V) · 15^2 = 225 (L) · 6^2 = 36 (E) · 12^2 = 144 (U) · 7^3 = 343 (I) · 20^2 = 400 (R) · 19^2 = 361 (A) · 3^4 = 81 (D) · 7^2 = 49 (C) · 6^3 = 216 (H)
- Clue 5 (Fractions of a number): surviving statement (box 12) → Ivy Cobweb4/6 of 6 = 4 · 5/10 of 16 = 8 · 1/10 of 110 = 11 · 1/3 of 15 = 5 · 2/3 of 9 = 6 · 3/8 of 24 = 9 · 2/3 of 15 = 10 · 1/10 of 70 = 7 · 1/5 of 10 = 2 · 2/4 of 2 = 1 · 1/2 of 6 = 3
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Fractions of a number, Multiplication, Percentages, Exponents
- Reading level
- grades 5-6
- Theme
- The Case of the Halloween Hoax — set in Hollow Hill Festival Grounds
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects