The Case of the Missing Cloud Compass
Someone snagged the Chief Navigator golden Cloud Compass right before the Airship Stratos took off! Detective, solve the math clues to uncover the culprit before we land.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Gear | Tool | Dominant Hand | Hair Style | Weakness |
|---|---|---|---|---|---|
| Medic Kiki | Smoke Bombs | Brass Whistle | Right Handed | Spiky Silver Hair | Sneeze Powder |
| Helmsman Leo | Glider Wings | Compass Ring | Right Handed | Braided Brown Hair | Bright Flashlight |
| Runner Nico | Wind Cannon | Spyglass | Left Handed | Spiky Silver Hair | Sneeze Powder |
| Pilot Barnaby | Glider Wings | Spyglass | Right Handed | Spiky Silver Hair | Loud Alarm |
| Navigator Grace | Glider Wings | Signal Torch | Right Handed | Curly Red Hair | Sneeze Powder |
| Lookout Jasper | Glider Wings | Brass Whistle | Left Handed | Curly Red Hair | Bright Flashlight |
| Scout Cora | Grappling Hook | Brass Whistle | Right Handed | Spiky Silver Hair | Sneeze Powder |
| Sailor Ella | Wind Cannon | Signal Torch | Left Handed | Spiky Silver Hair | Bright Flashlight |
| Radar Pete | Smoke Bombs | Spyglass | Left Handed | Spiky Silver Hair | Bright Flashlight |
| Gunner Finn | Grappling Hook | Map Scroll | Right Handed | Braided Brown Hair | Bright Flashlight |
| Builder Opal | Grappling Hook | Map Scroll | Left Handed | Braided Brown Hair | Loud Alarm |
| Officer Xena | Grappling Hook | Brass Whistle | Left Handed | Braided Brown Hair | Bright Flashlight |
| Rover Rita | Smoke Bombs | Signal Torch | Right Handed | Spiky Silver Hair | Sneeze Powder |
| Cadet Iris | Wind Cannon | Map Scroll | Right Handed | Curly Red Hair | Sneeze Powder |
| Officer Hugo | Smoke Bombs | Brass Whistle | Left Handed | Spiky Silver Hair | Sneeze Powder |
| Captain Avery | Glider Wings | Brass Whistle | Left Handed | Curly Red Hair | Sneeze Powder |
| Cadet Uri | Jet Pack | Spyglass | Left Handed | Spiky Silver Hair | Loud Alarm |
| Sailor Sam | Smoke Bombs | Brass Whistle | Left Handed | Spiky Silver Hair | Bright Flashlight |
| Sparky Quinn | Glider Wings | Spyglass | Right Handed | Spiky Silver Hair | Sneeze Powder |
| Mechanic Mia | Jet Pack | Map Scroll | Right Handed | Curly Red Hair | Bright Flashlight |
| Scout Will | Smoke Bombs | Map Scroll | Right Handed | Spiky Silver Hair | Sneeze Powder |
Percentages
The airship security sensor only displays battery power in percentages. Calculate the level to decode 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.
Exponents
The engine power grid uses squared and cubed numbers on the display panel. Solve the exponents to unlock the second 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.
Order of operations
The navigator left a coded logbook with parenthesized calculations to lock the locker. Evaluate it in order to reveal the third 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.
Multiplication facts (1-12)
The supply crate list counts cargo by multiplying equal rows of gear boxes. Multiply the totals to find the fourth 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.
Division facts (1-12) — the last clue
The flight crew needs to split energy rations equally among the deck rooms. Divide the total units to get 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!
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Cloud Compass
- Clue 1 (Percentages): "THE VILLAIN DOES NOT CARRY A MAP SCROLL"5% of 520 = 26 (T) · 25% of 152 = 38 (A) · 5% of 380 = 19 (D) · 5% of 280 = 14 (N) · 5% of 620 = 31 (V) · 5% of 680 = 34 (C) · 10% of 280 = 28 (R) · 20% of 5 = 1 (H) · 5% of 900 = 45 (O) · 5% of 860 = 43 (I) · 50% of 88 = 44 (P) · 25% of 92 = 23 (L) · 25% of 72 = 18 (E) · 10% of 270 = 27 (S) · 5% of 60 = 3 (Y) · 50% of 8 = 4 (M)
- Clue 2 (Exponents): "THE SUSPECT LEFT A RIGHT HANDED PRINT"20^2 = 400 (T) · 4^3 = 64 (G) · 15^2 = 225 (H) · 2^3 = 8 (N) · 2^7 = 128 (U) · 14^2 = 196 (I) · 3^5 = 243 (F) · 3^2 = 9 (A) · 12^2 = 144 (D) · 5^3 = 125 (S) · 10^2 = 100 (C) · 6^2 = 36 (P) · 3^3 = 27 (E) · 19^2 = 361 (L) · 5^2 = 25 (R)
- Clue 3 (Order of operations): "THE SNEEZE POWDER MADE THE VILLAIN SNEEZE"18 + 4 × 3 = 30 (T) · 40 + 8 × 3 = 64 (O) · 12 × 6 - 12 = 60 (N) · 6 + 5 × 6 = 36 (E) · 15 + 5 × 4 = 35 (A) · 6 × 7 - 2 = 40 (Z) · 41 + 8 × 2 = 57 (M) · 37 + 6 × 4 = 61 (V) · 8 × 8 - 9 = 55 (L) · 19 + 8 × 6 = 67 (R) · 62 + 3 × 6 = 80 (H) · 37 + 4 × 9 = 73 (W) · 12 + 3 × 5 = 27 (P) · 5 × 9 - 29 = 16 (D) · 63 + 3 × 4 = 75 (S) · 10 + 3 × 9 = 37 (I)
- Clue 4 (Multiplication facts (1-12)): "WE FOUND SPIKY SILVER HAIR AT THE SCENE"1 × 9 = 9 (W) · 9 × 9 = 81 (R) · 1 × 1 = 1 (F) · 7 × 8 = 56 (O) · 9 × 7 = 63 (K) · 8 × 12 = 96 (I) · 11 × 4 = 44 (N) · 4 × 7 = 28 (L) · 8 × 11 = 88 (H) · 3 × 12 = 36 (S) · 12 × 12 = 144 (C) · 11 × 10 = 110 (D) · 8 × 10 = 80 (V) · 1 × 11 = 11 (T) · 1 × 2 = 2 (E) · 3 × 5 = 15 (A) · 2 × 2 = 4 (U) · 7 × 10 = 70 (Y) · 1 × 6 = 6 (P)
- Clue 5 (Division facts (1-12)): surviving statement (box 8) → Rover Rita81 ÷ 9 = 9 · 28 ÷ 4 = 7 · 100 ÷ 10 = 10 · 6 ÷ 2 = 3 · 4 ÷ 1 = 4 · 18 ÷ 9 = 2 · 5 ÷ 1 = 5 · 66 ÷ 11 = 6 · 22 ÷ 2 = 11 · 132 ÷ 11 = 12 · 7 ÷ 7 = 1
About this mystery
- Grade level
- Grade 6 math
- Math topics
- Percentages, Exponents, Order of operations, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Cloud Compass — set in The Airship Stratos
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects