The Sky Island Cipher
A sneaky Yiga Spy has stolen a highly classified Zonai survey tablet from the research lab! Purah needs you to help decode the clues and track down the thief among the travelers visiting Lookout Landing.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Zonai Arm Ability | Sage Vow | Scope Hand | Headwear | Enemy Weakness |
|---|---|---|---|---|---|
| Jerrin | Ultrahand | Vow of Tulin | Left-handed grip | Stealth Mask | Frost Emitter |
| Bazz | Autobuild | Vow of Yunobo | Left-handed grip | Stealth Mask | Frost Emitter |
| Link | Ultrahand | Vow of Sidon | Left-handed grip | Stealth Mask | Frost Emitter |
| Hudson | Autobuild | Vow of Riju | Right-handed grip | Soldier Helmet | Shock Fruit |
| Robbie | Recall | Vow of Yunobo | Right-handed grip | Stealth Mask | Frost Emitter |
| Penn | Fuse | Vow of Yunobo | Right-handed grip | Soldier Helmet | Puffshroom |
| Karson | Recall | Vow of Sidon | Left-handed grip | Stealth Mask | Puffshroom |
| Yona | Ultrahand | Vow of Mineru | Left-handed grip | Soldier Helmet | Shock Fruit |
| Josha | Fuse | Vow of Sidon | Left-handed grip | Soldier Helmet | Puffshroom |
| Addison | Recall | Vow of Mineru | Left-handed grip | Soldier Helmet | Frost Emitter |
| Paya | Ultrahand | Vow of Sidon | Right-handed grip | Soldier Helmet | Shock Fruit |
| Beedle | Ultrahand | Vow of Tulin | Right-handed grip | Cece Hat | Puffshroom |
| Impa | Ascend | Vow of Tulin | Left-handed grip | Cece Hat | Shock Fruit |
| Kilton | Autobuild | Vow of Riju | Right-handed grip | Stealth Mask | Puffshroom |
| Clavia | Ascend | Vow of Yunobo | Right-handed grip | Stealth Mask | Puffshroom |
| Hestu | Ultrahand | Vow of Riju | Left-handed grip | Stealth Mask | Puffshroom |
| Koltin | Ascend | Vow of Yunobo | Right-handed grip | Soldier Helmet | Puffshroom |
| Tauro | Autobuild | Vow of Mineru | Left-handed grip | Stealth Mask | Puffshroom |
| Rhondson | Ascend | Vow of Sidon | Left-handed grip | Stealth Mask | Puffshroom |
| Loone | Autobuild | Vow of Tulin | Left-handed grip | Stealth Mask | Puffshroom |
| Syme | Ultrahand | Vow of Sidon | Right-handed grip | Stealth Mask | Puffshroom |
Addition
Purah is counting the total Zonai charges recovered from the ruins. Help her add these together to reveal which Sage vow the spy avoided using.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Subtraction
Josha checks the supply crates and finds some Zonaite is missing from the original stash. Calculate the leftover amount to reveal which hand the spy used to hold their scope.
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)
Penn is sorting rows of Zonai devices for his newspaper report. Multiply the rows of wing gliders to discover the weakness of our mysterious runner.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Rounding
Robbie's sensor tracks a faint energy signal, but the screen only displays rounded numbers. Round these coordinates to the nearest ten to pinpoint the spy's headwear.
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
Hudson wants to split the remaining bundles of wood equally among his construction crew. Divide the logs to find out which Zonai arm ability the thief used to escape.
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 Sky Island Cipher
- Clue 1 (Addition): "THE SPY DOES NOT USE THE VOW OF MINERU"543 + 265 = 808 (T) · 386 + 299 = 685 (O) · 424 + 401 = 825 (D) · 192 + 319 = 511 (P) · 467 + 444 = 911 (Y) · 355 + 272 = 627 (I) · 192 + 335 = 527 (V) · 173 + 151 = 324 (M) · 256 + 548 = 804 (S) · 407 + 180 = 587 (U) · 118 + 107 = 225 (H) · 392 + 308 = 700 (N) · 351 + 581 = 932 (R) · 455 + 226 = 681 (E) · 165 + 130 = 295 (W) · 273 + 428 = 701 (F)
- Clue 2 (Subtraction): "THE SUSPECT HELD THE SCOPE IN LEFT HAND"1226 - 373 = 853 (T) · 720 - 390 = 330 (P) · 864 - 284 = 580 (E) · 707 - 56 = 651 (S) · 487 - 56 = 431 (F) · 883 - 64 = 819 (L) · 566 - 306 = 260 (C) · 906 - 265 = 641 (I) · 710 - 201 = 509 (H) · 815 - 299 = 516 (U) · 766 - 1 = 765 (D) · 845 - 160 = 685 (N) · 363 - 119 = 244 (A) · 603 - 310 = 293 (O)
- Clue 3 (Multiplication facts (1-12)): "THE SPY COUGHED IN THE PUFFSHROOM SMOKE"10 × 9 = 90 (T) · 4 × 7 = 28 (I) · 5 × 5 = 25 (M) · 3 × 7 = 21 (G) · 3 × 1 = 3 (P) · 1 × 8 = 8 (K) · 10 × 10 = 100 (S) · 11 × 11 = 121 (U) · 7 × 9 = 63 (E) · 12 × 8 = 96 (Y) · 4 × 4 = 16 (F) · 3 × 6 = 18 (C) · 5 × 9 = 45 (D) · 5 × 7 = 35 (H) · 8 × 11 = 88 (N) · 8 × 3 = 24 (R) · 6 × 11 = 66 (O)
- Clue 4 (Rounding): "THE SCOUT SAW FABRIC FROM A STEALTH MASK"Round 3,427 to the nearest thousand = 3000 (T) · Round 71 to the nearest ten = 70 (R) · Round 738 to the nearest hundred = 700 (O) · Round 2,033 to the nearest thousand = 2000 (W) · Round 8,863 to the nearest thousand = 9000 (E) · Round 7,656 to the nearest thousand = 8000 (U) · Round 195 to the nearest hundred = 200 (M) · Round 7,379 to the nearest thousand = 7000 (F) · Round 621 to the nearest hundred = 600 (A) · Round 289 to the nearest hundred = 300 (L) · Round 944 to the nearest hundred = 900 (I) · Round 4,166 to the nearest thousand = 4000 (S) · Round 6,355 to the nearest thousand = 6000 (H) · Round 420 to the nearest hundred = 400 (K) · Round 810 to the nearest hundred = 800 (C) · Round 33 to the nearest ten = 30 (B)
- Clue 5 (Division facts (1-12)): surviving statement (box 5) → Rhondson8 ÷ 1 = 8 · 22 ÷ 2 = 11 · 9 ÷ 3 = 3 · 12 ÷ 2 = 6 · 12 ÷ 6 = 2 · 30 ÷ 3 = 10 · 7 ÷ 1 = 7 · 63 ÷ 7 = 9 · 44 ÷ 11 = 4 · 36 ÷ 3 = 12 · 9 ÷ 9 = 1
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Addition, Subtraction, Multiplication, Rounding, Division
- Reading level
- grades 5-6
- Theme
- The Sky Island Cipher — set in Lookout Landing and the Sky Islands
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects