The Case of the Missing Gridiron Playbook
Someone snuck into the locker room at Soldier Field and grabbed the championship playbook right off the strategy board. The coach needs a top detective to solve the math clues and figure out which player did it.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Signature Move | Gridiron Gear | Wrist Style | Helmet Color | Game Flaw |
|---|---|---|---|---|---|
| Jaylon Johnson | Sonic Pass | Grip Cleats | Bare Wrists | Navy Helmet | Bright Spotlight |
| Braxton Jones | Sonic Pass | Bear Gloves | Taped Wrists | White Helmet | Slippery Mud |
| Velus Jones | Sonic Pass | Padded Armor | Bare Wrists | Navy Helmet | Slippery Mud |
| DAndre Swift | Cannon Kick | Cleat Boosters | Bare Wrists | Navy Helmet | Bright Spotlight |
| Tory Taylor | Power Hurdle | Cleat Boosters | Bare Wrists | Navy Helmet | Bright Spotlight |
| Andrew Billings | Cannon Kick | Cleat Boosters | Taped Wrists | Orange Helmet | Loud Whistle |
| TJ Edwards | Cannon Kick | Cleat Boosters | Taped Wrists | Orange Helmet | Bright Spotlight |
| Rome Odunze | Cannon Kick | Visor Shield | Taped Wrists | Navy Helmet | Bright Spotlight |
| DJ Moore | Mega Tackle | Visor Shield | Bare Wrists | Navy Helmet | Slippery Mud |
| Montez Sweat | Power Hurdle | Bear Gloves | Bare Wrists | Navy Helmet | Loud Whistle |
| Keenan Allen | Turbo Sprint | Padded Armor | Bare Wrists | Orange Helmet | Loud Whistle |
| Tremaine Edmunds | Power Hurdle | Bear Gloves | Bare Wrists | Navy Helmet | Bright Spotlight |
| Kevin Byard | Mega Tackle | Padded Armor | Bare Wrists | Orange Helmet | Slippery Mud |
| Caleb Williams | Power Hurdle | Visor Shield | Bare Wrists | Orange Helmet | Slippery Mud |
| Nate Davis | Cannon Kick | Grip Cleats | Bare Wrists | Navy Helmet | Bright Spotlight |
| DeMarcus Walker | Turbo Sprint | Grip Cleats | Bare Wrists | White Helmet | Bright Spotlight |
| Darnell Wright | Turbo Sprint | Grip Cleats | Taped Wrists | White Helmet | Bright Spotlight |
| Jaquan Brisker | Sonic Pass | Bear Gloves | Bare Wrists | Navy Helmet | Bright Spotlight |
| Roschon Johnson | Cannon Kick | Bear Gloves | Taped Wrists | Navy Helmet | Slippery Mud |
| Tyrique Stevenson | Cannon Kick | Bear Gloves | Taped Wrists | Navy Helmet | Loud Whistle |
| Kyler Gordon | Power Hurdle | Visor Shield | Bare Wrists | White Helmet | Slippery Mud |
Rounding
The stadium scoreboard only displays rounded yardage during testing. Round the distance to find your 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.
Addition
The equipment manager adds up all the practice footballs on the field. Add the totals together to unlock this piece of 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.
Subtraction
The coach calculates the points scored minus points allowed. Subtract the total to reveal another suspect trait.
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 marching band sets up in equal rows across the field. Multiply the rows to discover 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.
Division facts (1-12) — the last clue
The team splits juice boxes evenly among defense groups. Divide the drink boxes to reveal the final answer.
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 Gridiron Playbook
- Clue 1 (Rounding): "THE THIEF DOES NOT USE CLEAT BOOSTERS"Round 2,629 to the nearest thousand = 3000 (T) · Round 867 to the nearest hundred = 900 (B) · Round 93 to the nearest ten = 90 (U) · Round 59 to the nearest ten = 60 (L) · Round 334 to the nearest hundred = 300 (O) · Round 4,667 to the nearest thousand = 5000 (F) · Round 70 to the nearest ten = 70 (N) · Round 6,091 to the nearest thousand = 6000 (E) · Round 720 to the nearest hundred = 700 (A) · Round 2,198 to the nearest thousand = 2000 (C) · Round 382 to the nearest hundred = 400 (R) · Round 181 to the nearest hundred = 200 (I) · Round 8,129 to the nearest thousand = 8000 (D) · Round 641 to the nearest hundred = 600 (H) · Round 40 to the nearest ten = 40 (S)
- Clue 2 (Addition): "THE SUSPECT WAS SEEN WITH BARE WRISTS"165 + 319 = 484 (T) · 273 + 184 = 457 (N) · 297 + 514 = 811 (C) · 581 + 380 = 961 (R) · 322 + 241 = 563 (W) · 410 + 354 = 764 (I) · 125 + 127 = 252 (U) · 336 + 529 = 865 (A) · 297 + 683 = 980 (B) · 133 + 92 = 225 (P) · 417 + 527 = 944 (S) · 377 + 226 = 603 (H) · 261 + 236 = 497 (E)
- Clue 3 (Subtraction): "A BRIGHT SPOTLIGHT BLINDED THE THIEF"415 - 96 = 319 (A) · 602 - 191 = 411 (S) · 361 - 201 = 160 (H) · 657 - 30 = 627 (T) · 771 - 36 = 735 (F) · 376 - 159 = 217 (R) · 1121 - 313 = 808 (E) · 525 - 124 = 401 (B) · 865 - 239 = 626 (P) · 370 - 124 = 246 (D) · 574 - 54 = 520 (I) · 479 - 81 = 398 (N) · 779 - 227 = 552 (G) · 622 - 33 = 589 (O) · 885 - 76 = 809 (L)
- Clue 4 (Multiplication facts (1-12)): "NAVY HELMET PAINT WAS LEFT ON TURF"2 × 5 = 10 (N) · 3 × 7 = 21 (U) · 11 × 3 = 33 (T) · 6 × 11 = 66 (I) · 12 × 9 = 108 (O) · 11 × 11 = 121 (W) · 11 × 10 = 110 (P) · 7 × 7 = 49 (R) · 1 × 9 = 9 (L) · 10 × 6 = 60 (Y) · 7 × 2 = 14 (E) · 7 × 9 = 63 (S) · 4 × 5 = 20 (A) · 7 × 1 = 7 (H) · 6 × 2 = 12 (V) · 12 × 8 = 96 (F) · 6 × 5 = 30 (M)
- Clue 5 (Division facts (1-12)): surviving statement (box 5) → Tremaine Edmunds90 ÷ 9 = 10 · 60 ÷ 5 = 12 · 6 ÷ 3 = 2 · 9 ÷ 9 = 1 · 32 ÷ 8 = 4 · 88 ÷ 8 = 11 · 18 ÷ 2 = 9 · 33 ÷ 11 = 3 · 66 ÷ 11 = 6 · 42 ÷ 6 = 7 · 72 ÷ 9 = 8
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Case of the Missing Gridiron Playbook — set in Soldier Field Training Facility
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects
