The Outpost Sabotage Mystery
An unknown infiltrator disabled the main shield array at the outpost during night patrol. Detective, gather clues from around the base to unmask the culprit before they escape.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Primary Weapon | Tactical Gear | Dominant Hand | Helmet Design | Counter Defense |
|---|---|---|---|---|---|
| Matchstick | Electro Staff | Grappling Hook | Right Handed | Blue Helmet Stripes | Sonic Whistle |
| Echo | Jetpack Blast | Cloaking Device | Left Handed | Red Helmet Stripes | Magnet Trap |
| Kix | Thermal Detonator | Cloaking Device | Right Handed | Red Helmet Stripes | Magnet Trap |
| Rex | Force Push | Smoke Bomb | Left Handed | Gold Helmet Stripes | Sonic Whistle |
| Jesse | Jetpack Blast | Grappling Hook | Left Handed | Gold Helmet Stripes | Ion Cannon |
| Wolffe | Thermal Detonator | Radar Jammer | Right Handed | Red Helmet Stripes | Magnet Trap |
| Sinker | Blaster Barrage | Grappling Hook | Right Handed | Gold Helmet Stripes | Sonic Whistle |
| Boost | Thermal Detonator | Grappling Hook | Right Handed | Red Helmet Stripes | Sonic Whistle |
| Skirata | Force Push | Grappling Hook | Right Handed | Red Helmet Stripes | Magnet Trap |
| Boil | Jetpack Blast | Cloaking Device | Left Handed | Blue Helmet Stripes | Sonic Whistle |
| Kano | Jetpack Blast | Grappling Hook | Right Handed | Gold Helmet Stripes | Sonic Whistle |
| Waxer | Jetpack Blast | EMP Grenade | Right Handed | Blue Helmet Stripes | Magnet Trap |
| Hardcase | Electro Staff | Smoke Bomb | Left Handed | Gold Helmet Stripes | Sonic Whistle |
| Odd Ball | Electro Staff | Cloaking Device | Left Handed | Blue Helmet Stripes | Magnet Trap |
| Dogma | Electro Staff | Cloaking Device | Right Handed | Red Helmet Stripes | Sonic Whistle |
| Vaughn | Force Push | Cloaking Device | Right Handed | Red Helmet Stripes | Magnet Trap |
| Broadside | Jetpack Blast | Radar Jammer | Left Handed | Red Helmet Stripes | Ion Cannon |
| Fox | Force Push | Smoke Bomb | Right Handed | Red Helmet Stripes | Magnet Trap |
| Fives | Blaster Barrage | EMP Grenade | Right Handed | Gold Helmet Stripes | Ion Cannon |
| Denal | Thermal Detonator | Radar Jammer | Right Handed | Blue Helmet Stripes | Magnet Trap |
| Bly | Force Push | EMP Grenade | Right Handed | Gold Helmet Stripes | Magnet Trap |
Place value
You inspect the security terminal to read the security digits recorded during the break in.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Addition
You gather the spare supply crates left near the hangar and count them up to find more clues.
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
You check the power grid logs to see how many energy cells were drained from the generator.
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)
You examine rows of storage lockers in the barracks to track down misplaced evidence.
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
You divide the remaining ration packs equally among the troopers on guard duty.
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 Outpost Sabotage Mystery
- Clue 1 (Place value): "THE SNEAK DID NOT USE A SMOKE BOMB"What is the value of the 5 in 958? = 50 (T) · What is the value of the 4 in 412? = 400 (O) · What is the value of the 4 in 4,372? = 4000 (B) · What is the value of the 8 in 893? = 800 (D) · What is the value of the 7 in 7,050? = 7000 (H) · What is the value of the 5 in 8,510? = 500 (M) · What is the value of the 7 in 5,072? = 70 (U) · What is the value of the 6 in 692? = 600 (I) · What is the value of the 9 in 9,537? = 9000 (A) · What is the value of the 6 in 9,462? = 60 (N) · What is the value of the 8 in 18,537? = 8000 (K) · What is the value of the 4 in 845? = 40 (S) · What is the value of the 2 in 52,053? = 2000 (E)
- Clue 2 (Addition): "THE SUSPECT FIRED WITH A RIGHT HANDED GRIP"480 + 251 = 731 (T) · 290 + 298 = 588 (U) · 294 + 687 = 981 (S) · 397 + 242 = 639 (W) · 291 + 192 = 483 (I) · 303 + 199 = 502 (P) · 556 + 430 = 986 (H) · 326 + 348 = 674 (C) · 225 + 252 = 477 (A) · 560 + 327 = 887 (D) · 277 + 120 = 397 (R) · 156 + 230 = 386 (F) · 256 + 173 = 429 (N) · 293 + 290 = 583 (E) · 228 + 135 = 363 (G)
- Clue 3 (Subtraction): "THEY WERE TRAPPED BY A MAGNET TRAP"960 - 120 = 840 (T) · 254 - 100 = 154 (Y) · 749 - 135 = 614 (D) · 890 - 237 = 653 (R) · 293 - 32 = 261 (M) · 420 - 85 = 335 (B) · 636 - 364 = 272 (P) · 893 - 81 = 812 (G) · 381 - 1 = 380 (W) · 1155 - 396 = 759 (E) · 326 - 163 = 163 (A) · 211 - 95 = 116 (H) · 882 - 309 = 573 (N)
- Clue 4 (Multiplication facts (1-12)): "WITNESSES SAW RED HELMET STRIPES AT NIGHT"3 × 6 = 18 (W) · 7 × 7 = 49 (S) · 4 × 11 = 44 (E) · 11 × 7 = 77 (R) · 12 × 8 = 96 (T) · 5 × 6 = 30 (G) · 11 × 3 = 33 (H) · 5 × 5 = 25 (D) · 9 × 11 = 99 (M) · 4 × 10 = 40 (L) · 9 × 3 = 27 (I) · 4 × 8 = 32 (A) · 9 × 5 = 45 (N) · 8 × 8 = 64 (P)
- Clue 5 (Division facts (1-12)): surviving statement (box 6) → Wolffe5 ÷ 5 = 1 · 35 ÷ 5 = 7 · 14 ÷ 7 = 2 · 30 ÷ 3 = 10 · 45 ÷ 5 = 9 · 25 ÷ 5 = 5 · 44 ÷ 11 = 4 · 48 ÷ 6 = 8 · 30 ÷ 10 = 3 · 48 ÷ 4 = 12 · 33 ÷ 3 = 11
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Place value, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Outpost Sabotage Mystery — set in Rishi Moon Station
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects
