The Great Cafeteria Heist
Someone has raided the Junior Police Precinct kitchen! Chef Joshua Dax Zeno was about to serve his famous giant blueberry muffins, but they have vanished. The Kid Police need to examine the clues, solve the math cases, and find the Cafeteria Bandit before lunch patrol!
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Signature Tool | Disguise Item | Writing Hand | Messy Hair Color | Favorite Snack |
|---|---|---|---|---|---|
| Officer Harper | sticky foam blaster | fake mustache | writes left handed | neon green hair | sour gummy worms |
| Detective Ella | mega megaphone | fancy tuxedo cape | writes left handed | neon green hair | salty potato chips |
| Agent Finn | clue magnifying glass | oversized chef hat | writes right handed | bright orange hair | bubblegum ice cream |
| Deputy Chloe | laser flashlight | oversized chef hat | writes left handed | electric blue hair | bubblegum ice cream |
| Agent Jack | sticky foam blaster | shiny pilot goggles | writes right handed | electric blue hair | salty potato chips |
| Officer Grace | high speed scooter | clown nose disguise | writes left handed | bright orange hair | bubblegum ice cream |
| Detective Zeno | sticky foam blaster | clown nose disguise | writes right handed | electric blue hair | bubblegum ice cream |
| Detective Zoe | laser flashlight | fake mustache | writes right handed | neon green hair | bubblegum ice cream |
| Sergeant Brody | clue magnifying glass | fancy tuxedo cape | writes left handed | neon green hair | salty potato chips |
| Deputy Joshua | laser flashlight | fancy tuxedo cape | writes right handed | neon green hair | bubblegum ice cream |
| Officer Maya | high speed scooter | fake mustache | writes right handed | electric blue hair | bubblegum ice cream |
| Officer Ruby | mega megaphone | oversized chef hat | writes right handed | electric blue hair | bubblegum ice cream |
| Sgt Marcus | mega megaphone | shiny pilot goggles | writes right handed | electric blue hair | sour gummy worms |
| Cadet Sam | laser flashlight | shiny pilot goggles | writes right handed | electric blue hair | bubblegum ice cream |
| Deputy Mia | clue magnifying glass | shiny pilot goggles | writes right handed | bright orange hair | salty potato chips |
| Agent Cooper | mega megaphone | fake mustache | writes right handed | electric blue hair | bubblegum ice cream |
| Cadet Max | mega megaphone | oversized chef hat | writes left handed | bright orange hair | bubblegum ice cream |
| Officer Dax | mega megaphone | clown nose disguise | writes left handed | bright orange hair | bubblegum ice cream |
| Chief Rex | mega megaphone | fake mustache | writes right handed | neon green hair | bubblegum ice cream |
| Chief Toby | laser flashlight | oversized chef hat | writes right handed | bright orange hair | bubblegum ice cream |
| Cadet Mason | sticky foam blaster | fake mustache | writes right handed | electric blue hair | sour gummy worms |
Addition
To find the first clue, the rookies must count and add up all the shiny badge stickers scattered across the precinct floor.
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
Chef Joshua noticed some baking ingredients were missing. Subtracting the remaining flour sacks from the morning inventory reveals a hidden message.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Fractions of a number
Officer Dax found a box of case files, but only a fraction of them belong to today's shift. Solving this fraction unlocks the suspect's hair color file.
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 suspect left boot prints in the spilled cocoa powder. Multiplying the rows of prints reveals the exact shoe size and the bandit's weakness.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Fractions of a number — the last clue
Detective Zeno intercepted a coded radio transmission. Calculating the correct fraction of the frequency numbers pinpoints the suspect's writing hand.
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 Great Cafeteria Heist
- Clue 1 (Addition): "THE BANDIT DOES NOT WEAR PILOT GOGGLES"3933 + 3057 = 6990 (T) · 3356 + 4877 = 8233 (A) · 3239 + 2466 = 5705 (W) · 4041 + 1902 = 5943 (D) · 5214 + 2738 = 7952 (S) · 3005 + 4521 = 7526 (O) · 5722 + 2526 = 8248 (N) · 1032 + 1747 = 2779 (G) · 828 + 1897 = 2725 (L) · 4306 + 2417 = 6723 (B) · 2095 + 4302 = 6397 (H) · 2447 + 1106 = 3553 (P) · 4940 + 2518 = 7458 (R) · 3158 + 6293 = 9451 (E) · 3034 + 2357 = 5391 (I)
- Clue 2 (Subtraction): "THE CRIME SCENE NOTE WAS WRITTEN RIGHT HANDED"8032 - 1479 = 6553 (T) · 12644 - 4527 = 8117 (M) · 9604 - 1140 = 8464 (W) · 7603 - 3332 = 4271 (I) · 6542 - 2043 = 4499 (R) · 10364 - 2290 = 8074 (E) · 8850 - 2167 = 6683 (C) · 3958 - 725 = 3233 (S) · 5846 - 2654 = 3192 (H) · 4682 - 2894 = 1788 (A) · 6140 - 1334 = 4806 (N) · 10902 - 2670 = 8232 (G) · 6446 - 1964 = 4482 (D) · 3719 - 863 = 2856 (O)
- Clue 3 (Fractions of a number): "WE FOUND PINK ICE CREAM DRIPS NEAR THE DOOR"2/6 of 120 = 40 (W) · 9/10 of 10 = 9 (H) · 1/4 of 92 = 23 (E) · 3/8 of 8 = 3 (S) · 3/6 of 38 = 19 (T) · 4/6 of 48 = 32 (I) · 4/8 of 52 = 26 (R) · 2/3 of 21 = 14 (O) · 2/8 of 48 = 12 (M) · 1/4 of 152 = 38 (F) · 1/4 of 112 = 28 (N) · 1/10 of 170 = 17 (A) · 2/4 of 22 = 11 (K) · 1/8 of 192 = 24 (U) · 2/10 of 185 = 37 (P) · 3/6 of 58 = 29 (D) · 4/8 of 16 = 8 (C)
- Clue 4 (Multiplication facts (1-12)): "WE FOUND AN ELECTRIC BLUE HAIR ON THE APRON"6 × 11 = 66 (W) · 11 × 10 = 110 (L) · 7 × 2 = 14 (B) · 7 × 11 = 77 (U) · 5 × 6 = 30 (I) · 5 × 12 = 60 (O) · 11 × 12 = 132 (R) · 11 × 2 = 22 (D) · 12 × 4 = 48 (H) · 7 × 9 = 63 (E) · 3 × 6 = 18 (C) · 5 × 5 = 25 (T) · 1 × 5 = 5 (A) · 9 × 3 = 27 (P) · 3 × 7 = 21 (N) · 8 × 11 = 88 (F)
- Clue 5 (Fractions of a number): surviving statement (box 9) → Officer Maya2/4 of 2 = 1 · 1/5 of 35 = 7 · 1/8 of 16 = 2 · 1/10 of 40 = 4 · 1/2 of 12 = 6 · 1/3 of 15 = 5 · 4/8 of 22 = 11 · 2/6 of 9 = 3 · 2/8 of 48 = 12 · 4/6 of 15 = 10 · 1/3 of 24 = 8
About this mystery
- Grade level
- Grade 5 math
- Math topics
- Addition, Subtraction, Fractions of a number, Multiplication
- Reading level
- grades 5-6
- Theme
- The Great Cafeteria Heist — set in Junior Police Precinct No. 9 Kitchen
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects
