🔎 HallowenGrade 5Reading: grades 3-4Fractions of a numberOrder of operationsMultiplicationRoundingDivision
The Case of the Missing Halloween Candy Stash
Someone snuck into the Haunted Gym during the Halloween party and swiped the entire golden pumpkin bucket full of prizes! The Candy Committee President needs your detective skills to find out who did it before the party ends.
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 | Main Power | Special Skill | Spider Ring Hand | Hair Style | Weakness |
|---|---|---|---|---|---|
| Autumn Blake | Invisibility | Bat Swarm | Right Hand Spider Ring | Orange Wig | Garlic Bread |
| Marvel Mortis | Flight | Candy Magnetism | Left Hand Spider Ring | Green Hair | Glow Sticks |
| Luna Night | Invisibility | Potion Brewing | Left Hand Spider Ring | Black Hair | Glow Sticks |
| Boo Radley | Invisibility | Bat Swarm | Right Hand Spider Ring | Black Hair | Spooky Music |
| Sabrina Moon | Flight | Pumpkin Blast | Right Hand Spider Ring | Orange Wig | Spooky Music |
| Spooky Spencer | Super Strength | Ghost Whispering | Left Hand Spider Ring | Green Hair | Garlic Bread |
| Draco Spells | Invisibility | Pumpkin Blast | Right Hand Spider Ring | Orange Wig | Garlic Bread |
| Sam Hallow | Shape Shifting | Pumpkin Blast | Left Hand Spider Ring | Green Hair | Glow Sticks |
| Blair Witch | Invisibility | Pumpkin Blast | Left Hand Spider Ring | Orange Wig | Garlic Bread |
| Eerie Eric | Invisibility | Potion Brewing | Right Hand Spider Ring | Orange Wig | Spooky Music |
| Freddy Frost | Teleportation | Candy Magnetism | Right Hand Spider Ring | Black Hair | Garlic Bread |
| October Sky | Super Strength | Candy Magnetism | Right Hand Spider Ring | Orange Wig | Garlic Bread |
| Cobwebb Smith | Super Strength | Bat Swarm | Right Hand Spider Ring | Orange Wig | Garlic Bread |
| Haunted Harvey | Super Strength | Pumpkin Blast | Right Hand Spider Ring | Orange Wig | Glow Sticks |
| Casper Reed | Flight | Pumpkin Blast | Left Hand Spider Ring | Orange Wig | Garlic Bread |
| Raven Shade | Invisibility | Ghost Whispering | Right Hand Spider Ring | Orange Wig | Spooky Music |
| Jack Lantern | Teleportation | Bat Swarm | Right Hand Spider Ring | Green Hair | Spooky Music |
| Bonez Jones | Flight | Ghost Whispering | Right Hand Spider Ring | Black Hair | Spooky Music |
| Shadow Shane | Super Strength | Potion Brewing | Right Hand Spider Ring | Green Hair | Garlic Bread |
| Misty Graves | Shape Shifting | Pumpkin Blast | Left Hand Spider Ring | Green Hair | Spooky Music |
| Wicked Wendy | Teleportation | Pumpkin Blast | Right Hand Spider Ring | Orange Wig | Garlic Bread |
Clue 1
Fractions of a number
The detective checked the guest sign-in sheet. Only a fraction of the invited party guests were seen near the gym stage.
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
18
11
10
30
36
21
21
31
36
14
33
17
10
26
14
17
T
18
3
26
10
23
31
14
33
32
20
31
6
14
10
T
18
36
26
20
1/5 of 90 =T
1/8 of 168 =L
2/8 of 44 =H
7/10 of 20 =N
2/4 of 64 =Y
2/5 of 50 =M
4/10 of 90 =I
4/8 of 46 =C
2/4 of 60 =V
1/3 of 51 =O
4/8 of 20 =E
1/4 of 124 =A
1/4 of 24 =G
5/10 of 66 =D
1/4 of 12 =U
2/8 of 104 =S
0/16 letters found
Clue 2
Order of operations
To unlock the gym locker, you must solve the multi-step magic code in the exact order on the scroll.
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
29
21
78
75
54
75
32
78
15
T
29
41
56
79
78
14
75
32
45
67
78
79
79
45
22
77
56
22
79
45
77
21
T
29
21
14
22
67
21 + 4 × 2 =T
69 + 2 × 4 =G
54 + 6 × 4 =E
12 + 7 × 6 =U
8 × 12 - 21 =S
14 + 4 × 2 =N
10 × 9 - 11 =R
10 × 6 - 28 =P
10 × 4 - 19 =H
10 × 5 - 5 =I
11 + 5 × 9 =O
2 + 2 × 6 =A
3 × 12 - 21 =C
33 + 4 × 2 =W
12 × 8 - 29 =D
0/15 letters found
Clue 3
Multiplication facts (1-12)
The detective found equal rows of dropped candy wrappers scattered across the Halloween dance floor.
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
6
108
72
18
110
110
42
18
56
70
42
56
42
120
42
88
84
70
5
11
50
42
70
110
18
25
1
70
108
42
55
2 × 2 =T
6 × 12 =V
10 × 12 =W
10 × 7 =R
11 × 5 =D
1 × 1 =B
6 × 1 =H
11 × 8 =Y
12 × 7 =F
6 × 7 =A
1 × 5 =O
10 × 11 =L
9 × 12 =E
1 × 11 =M
8 × 7 =N
2 × 9 =I
5 × 5 =C
10 × 5 =G
0/18 letters found
Clue 4
Rounding
The spook-o-meter radar only shows rounded numbers for power readings picked up near the candy display.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
O
200
2900
900
7000
500
5000
290
110
500
370
110
4300
5000
2900
430
290
5000
2900
5000
370
O
200
1300
7000
170
900
90
430
3000
5000
7000
5000
Round 218 to the nearest hundredO
Round 876 to the nearest hundredA
Round 2,779 to the nearest thousandC
Round 5,074 to the nearest thousandE
Round 536 to the nearest hundredG
Round 4,297 to the nearest hundredB
Round 114 to the nearest tenI
Round 373 to the nearest tenF
Round 89 to the nearest tenT
Round 2,915 to the nearest hundredR
Round 287 to the nearest tenW
Round 7,487 to the nearest thousandN
Round 1,265 to the nearest hundredU
Round 166 to the nearest tenD
Round 432 to the nearest tenS
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
To figure out where the clues lead, divide the glow sticks equally among the junior detective 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
24 ÷ 3 = ?
7 ÷ 7 = ?
60 ÷ 12 = ?
6 ÷ 3 = ?
84 ÷ 7 = ?
66 ÷ 6 = ?
40 ÷ 10 = ?
12 ÷ 2 = ?
9 ÷ 1 = ?
18 ÷ 6 = ?
30 ÷ 3 = ?
Step 2 — cross out the sentence with each answer
1.The villain turned invisible near the haunted house, then blasted glowing pumpkin pies.
2.The villain shape shifted into a giant black cat, then summoned a swarm of bats.
3.The villain turned invisible near the haunted house, then whispered to friendly ghosts.
4.The villain teleported behind the trick or treaters, then attracted whole bags of candy.
5.The villain turned invisible near the haunted house, then summoned a swarm of bats.
6.The villain used super strength to lift the heavy tombstone, then whispered to friendly ghosts.
7.The villain used super strength to lift the heavy tombstone, then summoned a swarm of bats.
8.The villain teleported behind the trick or treaters, then blasted glowing pumpkin pies.
9.The villain teleported behind the trick or treaters, then brewed a bubble potion.
10.The villain turned invisible near the haunted house, then attracted whole bags of candy.
11.The villain shape shifted into a giant black cat, then blasted glowing pumpkin pies.
12.The villain shape shifted into a giant black cat, then whispered to friendly ghosts.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Halloween Candy Stash
Culprit: Cobwebb Smith (Super Strength · Bat Swarm · Right Hand Spider Ring · Orange Wig · Garlic Bread)
- Clue 1 (Fractions of a number): "THE VILLAIN DOES NOT USE CANDY MAGNETISM"1/5 of 90 = 18 (T) · 1/8 of 168 = 21 (L) · 2/8 of 44 = 11 (H) · 7/10 of 20 = 14 (N) · 2/4 of 64 = 32 (Y) · 2/5 of 50 = 20 (M) · 4/10 of 90 = 36 (I) · 4/8 of 46 = 23 (C) · 2/4 of 60 = 30 (V) · 1/3 of 51 = 17 (O) · 4/8 of 20 = 10 (E) · 1/4 of 124 = 31 (A) · 1/4 of 24 = 6 (G) · 5/10 of 66 = 33 (D) · 1/4 of 12 = 3 (U) · 2/8 of 104 = 26 (S)
- Clue 2 (Order of operations): "THE SUSPECT WORE A SPIDER RING ON RIGHT HAND"21 + 4 × 2 = 29 (T) · 69 + 2 × 4 = 77 (G) · 54 + 6 × 4 = 78 (E) · 12 + 7 × 6 = 54 (U) · 8 × 12 - 21 = 75 (S) · 14 + 4 × 2 = 22 (N) · 10 × 9 - 11 = 79 (R) · 10 × 6 - 28 = 32 (P) · 10 × 4 - 19 = 21 (H) · 10 × 5 - 5 = 45 (I) · 11 + 5 × 9 = 56 (O) · 2 + 2 × 6 = 14 (A) · 3 × 12 - 21 = 15 (C) · 33 + 4 × 2 = 41 (W) · 12 × 8 - 29 = 67 (D)
- Clue 3 (Multiplication facts (1-12)): "THE VILLAIN RAN AWAY FROM GARLIC BREAD"2 × 2 = 4 (T) · 6 × 12 = 72 (V) · 10 × 12 = 120 (W) · 10 × 7 = 70 (R) · 11 × 5 = 55 (D) · 1 × 1 = 1 (B) · 6 × 1 = 6 (H) · 11 × 8 = 88 (Y) · 12 × 7 = 84 (F) · 6 × 7 = 42 (A) · 1 × 5 = 5 (O) · 10 × 11 = 110 (L) · 9 × 12 = 108 (E) · 1 × 11 = 11 (M) · 8 × 7 = 56 (N) · 2 × 9 = 18 (I) · 5 × 5 = 25 (C) · 10 × 5 = 50 (G)
- Clue 4 (Rounding): "ORANGE WIG FIBERS WERE FOUND AT SCENE"Round 218 to the nearest hundred = 200 (O) · Round 876 to the nearest hundred = 900 (A) · Round 2,779 to the nearest thousand = 3000 (C) · Round 5,074 to the nearest thousand = 5000 (E) · Round 536 to the nearest hundred = 500 (G) · Round 4,297 to the nearest hundred = 4300 (B) · Round 114 to the nearest ten = 110 (I) · Round 373 to the nearest ten = 370 (F) · Round 89 to the nearest ten = 90 (T) · Round 2,915 to the nearest hundred = 2900 (R) · Round 287 to the nearest ten = 290 (W) · Round 7,487 to the nearest thousand = 7000 (N) · Round 1,265 to the nearest hundred = 1300 (U) · Round 166 to the nearest ten = 170 (D) · Round 432 to the nearest ten = 430 (S)
- Clue 5 (Division facts (1-12)): surviving statement (box 7) → Cobwebb Smith24 ÷ 3 = 8 · 7 ÷ 7 = 1 · 60 ÷ 12 = 5 · 6 ÷ 3 = 2 · 84 ÷ 7 = 12 · 66 ÷ 6 = 11 · 40 ÷ 10 = 4 · 12 ÷ 2 = 6 · 9 ÷ 1 = 9 · 18 ÷ 6 = 3 · 30 ÷ 3 = 10
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Fractions of a number, Order of operations, Multiplication, Rounding, Division
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Halloween Candy Stash — set in Spooky Hollow Elementary School
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects