🔎 CreepyGrade 5Reading: grades 5-6Place valueWord problemsFractions of a numberBar modelsMissing addends
The Case of the Midnight Phantom
An eerie chill swept through Whispering Pines Manor when the ancient silver clock vanished right before midnight. Shadows lurk in every hall, and one sneaky phantom left behind strange clues. Decode the hints to unmask the culprit!
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 | Ghostly Power | Spooky Gear | Habit | Spectral Glow | Vulnerability |
|---|---|---|---|---|---|
| Wednesday Addams | Levitation | Pocket Watch | Taps Right Foot | Silver Mist | Salt Dust |
| Barnabas Collins | Ecto Slime | Ancient Key | Taps Right Foot | Silver Mist | Iron Bell |
| Shirley Jackson | Invisibility | Ancient Key | Taps Right Foot | Green Fire | Salt Dust |
| Eliza Raven | Cold Aura | Ancient Key | Taps Left Foot | Cobweb Grey | Bright Light |
| Boris Karloff | Shadow Step | Rusty Chains | Taps Right Foot | Cobweb Grey | Iron Bell |
| Bram Stoker | Invisibility | Haunted Lantern | Taps Right Foot | Silver Mist | Salt Dust |
| Washington Irving | Invisibility | Rusty Chains | Taps Right Foot | Green Fire | Salt Dust |
| Robert Stine | Invisibility | Rusty Chains | Taps Left Foot | Cobweb Grey | Iron Bell |
| Alfred Hitchcock | Levitation | Rusty Chains | Taps Right Foot | Cobweb Grey | Salt Dust |
| Morticia Addams | Invisibility | Pocket Watch | Taps Right Foot | Green Fire | Bright Light |
| Vincent Price | Shadow Step | Creaky Boots | Taps Right Foot | Green Fire | Salt Dust |
| Stephen King | Levitation | Ancient Key | Taps Left Foot | Silver Mist | Salt Dust |
| Bela Lugosi | Cold Aura | Pocket Watch | Taps Right Foot | Silver Mist | Bright Light |
| Silas Black | Cold Aura | Haunted Lantern | Taps Left Foot | Cobweb Grey | Iron Bell |
| Mary Shelley | Levitation | Creaky Boots | Taps Right Foot | Silver Mist | Bright Light |
| Agatha Christie | Ecto Slime | Haunted Lantern | Taps Right Foot | Green Fire | Salt Dust |
| Norman Bates | Cold Aura | Rusty Chains | Taps Left Foot | Green Fire | Salt Dust |
| Edgar Poe | Levitation | Pocket Watch | Taps Right Foot | Green Fire | Salt Dust |
| Gomez Addams | Shadow Step | Pocket Watch | Taps Right Foot | Silver Mist | Salt Dust |
| Coraline Jones | Ecto Slime | Ancient Key | Taps Left Foot | Cobweb Grey | Salt Dust |
| Arthur Pendelton | Ecto Slime | Creaky Boots | Taps Right Foot | Silver Mist | Salt Dust |
Clue 1
Place value
You examine an old digit code on the locked manor safe to narrow down the gear list.
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
5000
60
300
50
20
2000
2000
40
900
2000
300
50
7000
2000
T
5000
9000
600
8000
8000
70
600
60
600
800
7000
T
5000
300
900
4000
600
7000
T
5000
300
8000
7000
What is the value of the 5 in 35,210?T
What is the value of the 3 in 99,325?E
What is the value of the 6 in 35,678?A
What is the value of the 8 in 78,514?R
What is the value of the 6 in 52,863?H
What is the value of the 8 in 465,867?U
What is the value of the 4 in 784,170?L
What is the value of the 7 in 45,076?Y
What is the value of the 5 in 668,050?S
What is the value of the 2 in 74,829?P
What is the value of the 9 in 305,905?D
What is the value of the 7 in 557,102?N
What is the value of the 2 in 772,819?O
What is the value of the 9 in 59,677?C
What is the value of the 4 in 29,149?K
0/15 letters found
Clue 2
Word problems
The head housekeeper gives you a ledger of missing items around the creepy manor.
Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.
Awitnesssawthevillainwas .
T
79
73
117
33
84
101
24
H
T
79
F
O
O
T
79
Caretaker found 5 glowing skulls yesterday and 74 more today. How many glowing skulls in all?T
There were 155 glowing skulls. 38 were used up. How many glowing skulls are left?P
Caretaker lined up 12 rows of 7 creaky doors. How many creaky doors in all?R
Caretaker lined up 3 rows of 11 creaky doors. How many creaky doors in all?S
Caretaker found 14 spooky candles yesterday and 87 more today. How many spooky candles in all?I
Caretaker lined up 4 rows of 6 glowing skulls. How many glowing skulls in all?G
Caretaker found 42 creaky doors yesterday and 31 more today. How many creaky doors in all?A
0/7 letters found
Clue 3
Fractions of a number
You inspect a glass vial where only a fraction of the glowing liquid remains.
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
29
16
9
23
9
36
16
3
T
32
35
33
9
12
11
16
16
26
10
20
12
30
37
8
9
33
11
T
32
34
23
9
T
32
2/8 of 128 =T
3/6 of 32 =E
1/6 of 138 =U
3/8 of 88 =A
1/2 of 52 =I
5/10 of 24 =F
5/10 of 70 =W
1/8 of 24 =C
1/5 of 145 =H
2/8 of 36 =S
2/8 of 148 =O
1/2 of 22 =L
5/8 of 32 =G
2/10 of 40 =M
5/10 of 72 =P
6/8 of 40 =R
2/6 of 30 =N
3/6 of 68 =D
0/18 letters found
Clue 4
Bar model word problems
You compare the lengths of spooky tracks recorded on the manor dust chart.
Draw a bar model to solve each word problem. Its answer reveals a letter — write the letters in the boxes to fill in the missing word.
Astrandofhairturnedupatthescene.
G
61
40
8
8
67
6
109
40
8
Caretaker has 122 creaky doors, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→G
Caretaker shares 88 cursed amulets equally among 11 teams. How many cursed amulets does each team get?
draw a bar model
Answer:→E
Caretaker used 1/3 of the glowing skulls on the first day. The other 4 glowing skulls were used the next day. How many glowing skulls were there in all?
draw a bar model
Answer:→F
Caretaker has 218 glowing skulls, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→I
Caretaker has 5 times as many haunted mirrors as a teammate. The teammate has 8 haunted mirrors. How many haunted mirrors does caretaker have?
draw a bar model
Answer:→R
The red team has 85 glowing skulls and the blue team has 18 glowing skulls. How many more glowing skulls does the red team have?
draw a bar model
Answer:→N
0/6 letters found
Clue 5
Missing addends — the last clue
You balance the total weight of silver items left behind on the antique scale.
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
23 + ___ = 26
28 + ___ = 40
28 + ___ = 33
15 + ___ = 17
15 + ___ = 16
19 + ___ = 26
22 + ___ = 26
22 + ___ = 32
33 + ___ = 44
23 + ___ = 29
1 + ___ = 10
Step 2 — cross out the sentence with each answer
1.The villain chilled the grand hallway, then unlocked the secret attic door.
2.The villain chilled the grand hallway, then checked an old pocket watch.
3.The villain vanished into thin air, then rattled rusty chains.
4.The villain vanished into thin air, then stamped creaky boots on the stairs.
5.The villain stepped through solid walls, then stamped creaky boots on the stairs.
6.The villain stepped through solid walls, then lit a flickering haunted lantern.
7.The villain stepped through solid walls, then checked an old pocket watch.
8.The villain vanished into thin air, then unlocked the secret attic door.
9.The villain left a slimy trail behind, then checked an old pocket watch.
10.The villain floated across the foyer, then lit a flickering haunted lantern.
11.The villain left a slimy trail behind, then lit a flickering haunted lantern.
12.The villain floated across the foyer, then checked an old pocket watch.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Midnight Phantom
Culprit: Shirley Jackson (Invisibility · Ancient Key · Taps Right Foot · Green Fire · Salt Dust)
- Clue 1 (Place value): "THE SPOOK DOES NOT CARRY A HAUNTED LANTERN"What is the value of the 5 in 35,210? = 5000 (T) · What is the value of the 3 in 99,325? = 300 (E) · What is the value of the 6 in 35,678? = 600 (A) · What is the value of the 8 in 78,514? = 8000 (R) · What is the value of the 6 in 52,863? = 60 (H) · What is the value of the 8 in 465,867? = 800 (U) · What is the value of the 4 in 784,170? = 4000 (L) · What is the value of the 7 in 45,076? = 70 (Y) · What is the value of the 5 in 668,050? = 50 (S) · What is the value of the 2 in 74,829? = 20 (P) · What is the value of the 9 in 305,905? = 900 (D) · What is the value of the 7 in 557,102? = 7000 (N) · What is the value of the 2 in 772,819? = 2000 (O) · What is the value of the 9 in 59,677? = 9000 (C) · What is the value of the 4 in 29,149? = 40 (K)
- Clue 2 (Word problems): "TAPS RIGHT FOOT"Caretaker found 5 glowing skulls yesterday and 74 more today. How many glowing skulls in all? = 79 (T) · There were 155 glowing skulls. 38 were used up. How many glowing skulls are left? = 117 (P) · Caretaker lined up 12 rows of 7 creaky doors. How many creaky doors in all? = 84 (R) · Caretaker lined up 3 rows of 11 creaky doors. How many creaky doors in all? = 33 (S) · Caretaker found 14 spooky candles yesterday and 87 more today. How many spooky candles in all? = 101 (I) · Caretaker lined up 4 rows of 6 glowing skulls. How many glowing skulls in all? = 24 (G) · Caretaker found 42 creaky doors yesterday and 31 more today. How many creaky doors in all? = 73 (A)
- Clue 3 (Fractions of a number): "THE SUSPECT WAS FLEEING FROM SALT DUST"2/8 of 128 = 32 (T) · 3/6 of 32 = 16 (E) · 1/6 of 138 = 23 (U) · 3/8 of 88 = 33 (A) · 1/2 of 52 = 26 (I) · 5/10 of 24 = 12 (F) · 5/10 of 70 = 35 (W) · 1/8 of 24 = 3 (C) · 1/5 of 145 = 29 (H) · 2/8 of 36 = 9 (S) · 2/8 of 148 = 37 (O) · 1/2 of 22 = 11 (L) · 5/8 of 32 = 20 (G) · 2/10 of 40 = 8 (M) · 5/10 of 72 = 36 (P) · 6/8 of 40 = 30 (R) · 2/6 of 30 = 10 (N) · 3/6 of 68 = 34 (D)
- Clue 4 (Bar model word problems): "GREEN FIRE"Caretaker has 122 creaky doors, packed 2 to a bag. How many bags can be filled? = 61 (G) · Caretaker shares 88 cursed amulets equally among 11 teams. How many cursed amulets does each team get? = 8 (E) · Caretaker used 1/3 of the glowing skulls on the first day. The other 4 glowing skulls were used the next day. How many glowing skulls were there in all? = 6 (F) · Caretaker has 218 glowing skulls, packed 2 to a bag. How many bags can be filled? = 109 (I) · Caretaker has 5 times as many haunted mirrors as a teammate. The teammate has 8 haunted mirrors. How many haunted mirrors does caretaker have? = 40 (R) · The red team has 85 glowing skulls and the blue team has 18 glowing skulls. How many more glowing skulls does the red team have? = 67 (N)
- Clue 5 (Missing addends): surviving statement (box 8) → Shirley Jackson23 + ___ = 26 = 3 · 28 + ___ = 40 = 12 · 28 + ___ = 33 = 5 · 15 + ___ = 17 = 2 · 15 + ___ = 16 = 1 · 19 + ___ = 26 = 7 · 22 + ___ = 26 = 4 · 22 + ___ = 32 = 10 · 33 + ___ = 44 = 11 · 23 + ___ = 29 = 6 · 1 + ___ = 10 = 9
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Place value, Word problems, Fractions of a number, Bar models, Missing addends
- Reading level
- grades 5-6
- Theme
- The Case of the Midnight Phantom — set in Whispering Pines Manor
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects