🔎 Dark humor namesGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision
The Crypt-Keeper's Cryptic Caper
Oh no! A sneaky villain stole the Golden Tombstone right out of Gloomsville Cemetery! The caretaker needs your help to track down the thief among a bunch of creepy but funny suspects.
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 Gadget | Haunting Gear | Dominant Hand | Hair Style | Secret Weakness |
|---|---|---|---|---|---|
| Manny Bones | screaming skull | ghost goggles | right handed | purple mohawk | dad jokes |
| Rusty Nail | tickle feather | skeleton gloves | left handed | purple mohawk | garlic toast |
| Anita Shovel | chuckle potion | coffin shield | right handed | orange cobweb hair | dad jokes |
| Al Bino | screaming skull | spider boots | right handed | orange cobweb hair | bright flashlight |
| Count Chuckle | chuckle potion | bat cape | left handed | messy green hair | bright flashlight |
| Warren Peace | screaming skull | coffin shield | right handed | orange cobweb hair | dad jokes |
| Justin Pieces | fog machine | bat cape | right handed | purple mohawk | garlic toast |
| Grimm Shadow | gasp horn | coffin shield | left handed | orange cobweb hair | bright flashlight |
| Barry M Deep | chuckle potion | bat cape | left handed | purple mohawk | garlic toast |
| Morticia Decay | chuckle potion | skeleton gloves | right handed | orange cobweb hair | bright flashlight |
| Dee Cay | gasp horn | bat cape | right handed | purple mohawk | garlic toast |
| Helen Back | gasp horn | skeleton gloves | right handed | orange cobweb hair | bright flashlight |
| Ben Toombs | gasp horn | bat cape | right handed | orange cobweb hair | garlic toast |
| Spooky Susan | gasp horn | skeleton gloves | left handed | orange cobweb hair | dad jokes |
| Ray Corpse | screaming skull | spider boots | left handed | orange cobweb hair | bright flashlight |
| Robin Graves | screaming skull | coffin shield | left handed | purple mohawk | bright flashlight |
| Skel Eton | tickle feather | coffin shield | right handed | purple mohawk | garlic toast |
| Frank N Stein | gasp horn | skeleton gloves | right handed | purple mohawk | garlic toast |
| Doug Graves | fog machine | skeleton gloves | right handed | purple mohawk | garlic toast |
| Gloom Cook | tickle feather | skeleton gloves | right handed | orange cobweb hair | garlic toast |
| Zomb Billy | chuckle potion | ghost goggles | left handed | orange cobweb hair | dad jokes |
Clue 1
Rounding
The radar screen shows how fast the ghoul fled, but the machine only shows numbers rounded to the nearest ten. Round this speed to get the first clue!
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
3000
170
4300
3700
170
1700
290
500
300
1700
4300
5000
20
1700
T
3000
370
4300
2300
430
2300
7000
1700
50
50
130
20
5000
170
130
4300
500
300
Round 3,026 to the nearest thousandT
Round 429 to the nearest tenR
Round 373 to the nearest tenW
Round 286 to the nearest tenU
Round 276 to the nearest hundredD
Round 4,292 to the nearest hundredE
Round 1,714 to the nearest hundredO
Round 52 to the nearest tenF
Round 19 to the nearest tenN
Round 527 to the nearest hundredL
Round 134 to the nearest tenI
Round 3,651 to the nearest hundredG
Round 4,709 to the nearest thousandS
Round 2,266 to the nearest hundredA
Round 6,549 to the nearest thousandC
Round 166 to the nearest tenH
0/16 letters found
Clue 2
Addition
We need to count all the plastic spiders left on the floor. Add up the piles to find the total and unlock this hint.
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
6813
2911
6858
8230
W
6813
5871
5214
2911
2665
2276
6858
2911
5871
5214
2911
6234
7449
7449
6234
6690
5214
5871
5214
8230
4843
2509
5871
4406
W
6813
7449
6234
5871
2911
4551 + 2262 =W
4492 + 2957 =R
1503 + 3340 =N
2600 + 3634 =I
3464 + 3394 =S
3208 + 5022 =A
4619 + 2071 =G
2666 + 1740 =O
2108 + 3106 =H
1329 + 1336 =M
994 + 1282 =U
2218 + 3653 =T
999 + 1510 =D
1259 + 1652 =E
0/14 letters found
Clue 3
Subtraction
The ghoul stole some bats from the cage. Subtract the remaining bats from the total to see how many escaped.
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
4896
8939
7890
8305
1529
4644
4832
4644
1291
4644
8305
1291
8939
7890
4832
1291
7890
6996
4640
4640
1057
7890
7247
4548
4644
1529
7829
6211
6996
T
4896
4640
4644
3927
T
4896
6310 - 1414 =T
12870 - 4980 =E
9246 - 3035 =I
9671 - 4839 =N
3844 - 2553 =W
8124 - 4197 =S
8383 - 1136 =D
8711 - 4067 =A
6813 - 2265 =G
8826 - 521 =Y
11535 - 3706 =L
4375 - 3318 =K
8674 - 1678 =C
5656 - 1016 =O
11784 - 2845 =H
2594 - 1065 =R
0/16 letters found
Clue 4
Multiplication facts (1-12)
The tombstone path has rows of skulls. Multiply the rows by the columns to count them and get the next clue.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
A
30
8
81
32
8
121
70
63
22
49
A
30
5
88
42
20
32
A
30
80
7
5
A
30
42
121
70
16
20
27
70
49
33
80
7
5 × 6 =A
9 × 7 =M
11 × 8 =K
5 × 1 =W
8 × 10 =N
11 × 11 =L
7 × 1 =D
3 × 11 =I
2 × 8 =F
8 × 1 =P
9 × 9 =U
4 × 8 =R
5 × 4 =T
6 × 7 =S
3 × 9 =B
10 × 7 =E
7 × 7 =H
11 × 2 =O
0/18 letters found
Clue 5
Division facts (1-12) — the last clue
We must share these garlic cloves equally among our monster hunters. Divide them up to find the final clue.
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
66 ÷ 6 = ?
48 ÷ 8 = ?
88 ÷ 11 = ?
72 ÷ 6 = ?
56 ÷ 8 = ?
60 ÷ 6 = ?
8 ÷ 4 = ?
11 ÷ 11 = ?
36 ÷ 9 = ?
5 ÷ 1 = ?
3 ÷ 1 = ?
Step 2 — cross out the sentence with each answer
1.The villain waves a tickle feather, then looks around with ghost goggles.
2.The villain waves a tickle feather, then hides behind a coffin shield.
3.The villain shakes a screaming skull, then waves with skeleton gloves.
4.The villain toots a loud gasp horn, then hides behind a coffin shield.
5.The villain shakes a screaming skull, then stomps off in spider boots.
6.The villain toots a loud gasp horn, then flies away in a bat cape.
7.The villain pours a green chuckle potion, then waves with skeleton gloves.
8.The villain starts a noisy fog machine, then waves with skeleton gloves.
9.The villain starts a noisy fog machine, then flies away in a bat cape.
10.The villain toots a loud gasp horn, then looks around with ghost goggles.
11.The villain toots a loud gasp horn, then waves with skeleton gloves.
12.The villain shakes a screaming skull, then looks around with ghost goggles.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Crypt-Keeper's Cryptic Caper
Culprit: Justin Pieces (fog machine · bat cape · right handed · purple mohawk · garlic toast)
- Clue 1 (Rounding): "THE GHOUL DOES NOT WEAR A COFFIN SHIELD"Round 3,026 to the nearest thousand = 3000 (T) · Round 429 to the nearest ten = 430 (R) · Round 373 to the nearest ten = 370 (W) · Round 286 to the nearest ten = 290 (U) · Round 276 to the nearest hundred = 300 (D) · Round 4,292 to the nearest hundred = 4300 (E) · Round 1,714 to the nearest hundred = 1700 (O) · Round 52 to the nearest ten = 50 (F) · Round 19 to the nearest ten = 20 (N) · Round 527 to the nearest hundred = 500 (L) · Round 134 to the nearest ten = 130 (I) · Round 3,651 to the nearest hundred = 3700 (G) · Round 4,709 to the nearest thousand = 5000 (S) · Round 2,266 to the nearest hundred = 2300 (A) · Round 6,549 to the nearest thousand = 7000 (C) · Round 166 to the nearest ten = 170 (H)
- Clue 2 (Addition): "WE SAW THEM USE THEIR RIGHT HAND TO WRITE"4551 + 2262 = 6813 (W) · 4492 + 2957 = 7449 (R) · 1503 + 3340 = 4843 (N) · 2600 + 3634 = 6234 (I) · 3464 + 3394 = 6858 (S) · 3208 + 5022 = 8230 (A) · 4619 + 2071 = 6690 (G) · 2666 + 1740 = 4406 (O) · 2108 + 3106 = 5214 (H) · 1329 + 1336 = 2665 (M) · 994 + 1282 = 2276 (U) · 2218 + 3653 = 5871 (T) · 999 + 1510 = 2509 (D) · 1259 + 1652 = 2911 (E)
- Clue 3 (Subtraction): "THEY RAN AWAY WHEN WE COOKED GARLIC TOAST"6310 - 1414 = 4896 (T) · 12870 - 4980 = 7890 (E) · 9246 - 3035 = 6211 (I) · 9671 - 4839 = 4832 (N) · 3844 - 2553 = 1291 (W) · 8124 - 4197 = 3927 (S) · 8383 - 1136 = 7247 (D) · 8711 - 4067 = 4644 (A) · 6813 - 2265 = 4548 (G) · 8826 - 521 = 8305 (Y) · 11535 - 3706 = 7829 (L) · 4375 - 3318 = 1057 (K) · 8674 - 1678 = 6996 (C) · 5656 - 1016 = 4640 (O) · 11784 - 2845 = 8939 (H) · 2594 - 1065 = 1529 (R)
- Clue 4 (Multiplication facts (1-12)): "A PURPLE MOHAWK STRAND WAS LEFT BEHIND"5 × 6 = 30 (A) · 9 × 7 = 63 (M) · 11 × 8 = 88 (K) · 5 × 1 = 5 (W) · 8 × 10 = 80 (N) · 11 × 11 = 121 (L) · 7 × 1 = 7 (D) · 3 × 11 = 33 (I) · 2 × 8 = 16 (F) · 8 × 1 = 8 (P) · 9 × 9 = 81 (U) · 4 × 8 = 32 (R) · 5 × 4 = 20 (T) · 6 × 7 = 42 (S) · 3 × 9 = 27 (B) · 10 × 7 = 70 (E) · 7 × 7 = 49 (H) · 11 × 2 = 22 (O)
- Clue 5 (Division facts (1-12)): surviving statement (box 9) → Justin Pieces66 ÷ 6 = 11 · 48 ÷ 8 = 6 · 88 ÷ 11 = 8 · 72 ÷ 6 = 12 · 56 ÷ 8 = 7 · 60 ÷ 6 = 10 · 8 ÷ 4 = 2 · 11 ÷ 11 = 1 · 36 ÷ 9 = 4 · 5 ÷ 1 = 5 · 3 ÷ 1 = 3
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Crypt-Keeper's Cryptic Caper — set in Gloomsville Cemetery
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects