⛏️ MinecraftGrade 3Reading: grades 7-9MultiplicationRoundingAdditionSubtractionDivision

The Great Redstone Vault Heist

A rogue player breached the encrypted obsidian vault beneath the Spawn Hub, sabotaging the server mainframe and making off with the legendary Dragon Egg. Clues left behind at the craft sites point toward twenty-four active members of the guild. Analyze the server logs and physical evidence to unmask the griefer before they ruin the entire realm.

Suspects

Possible suspects

Cross off a row as each clue rules it out. On screen, tap a row.

21 of 21 still in play

Name	Primary Gear	Defensive Utility	Torch Stance	Avatar Hair	Counter Trap
ForgeFinn	Elytra Wings	Diamond Chestplate	Right Handed Torch Holder	Dark Oak Spiky Hair	Lapis Lazuli Powder
VoxelViper	Ender Teleportation	Netherite Shield	Right Handed Torch Holder	Dark Oak Spiky Hair	Lapis Lazuli Powder
ArmorXander	Speed IV Potion	Diamond Chestplate	Left Handed Torch Holder	Obsidian Black Locks	Lapis Lazuli Powder
BlockMasterJax	Redstone Pulse	Netherite Shield	Right Handed Torch Holder	Dark Oak Spiky Hair	Lapis Lazuli Powder
NetherNora	Speed IV Potion	Fire Resistance Brew	Right Handed Torch Holder	Obsidian Black Locks	Sweet Berry Bush
DungeonDrew	Elytra Wings	Netherite Shield	Right Handed Torch Holder	Golden Blonde Ponytail	Splash Water Bottle
GlitchGavin	Redstone Pulse	Diamond Chestplate	Right Handed Torch Holder	Golden Blonde Ponytail	Sweet Berry Bush
EmeraldElla	Ender Teleportation	Golden Apple	Right Handed Torch Holder	Dark Oak Spiky Hair	Lapis Lazuli Powder
ShadowSteve	Speed IV Potion	Diamond Chestplate	Right Handed Torch Holder	Dark Oak Spiky Hair	Splash Water Bottle
RedstoneRhea	Elytra Wings	Golden Apple	Left Handed Torch Holder	Dark Oak Spiky Hair	Lapis Lazuli Powder
SaddleSam	Redstone Pulse	Golden Apple	Right Handed Torch Holder	Obsidian Black Locks	Splash Water Bottle
ElytraEva	TNT Launcher	Fire Resistance Brew	Right Handed Torch Holder	Dark Oak Spiky Hair	Lapis Lazuli Powder
EnderKira	Elytra Wings	Golden Apple	Left Handed Torch Holder	Dark Oak Spiky Hair	Sweet Berry Bush
CreeperChris	Elytra Wings	Diamond Chestplate	Right Handed Torch Holder	Dark Oak Spiky Hair	Splash Water Bottle
BedrockBree	Speed IV Potion	Diamond Chestplate	Right Handed Torch Holder	Obsidian Black Locks	Splash Water Bottle
GolemGabe	Elytra Wings	Fire Resistance Brew	Right Handed Torch Holder	Dark Oak Spiky Hair	Sweet Berry Bush
QuartzQuinn	Ender Teleportation	Netherite Shield	Left Handed Torch Holder	Golden Blonde Ponytail	Sweet Berry Bush
ObsidianOwen	TNT Launcher	Netherite Shield	Left Handed Torch Holder	Golden Blonde Ponytail	Lapis Lazuli Powder
ChorusCody	Elytra Wings	Turtle Shell	Right Handed Torch Holder	Dark Oak Spiky Hair	Splash Water Bottle
BeaconBlake	TNT Launcher	Diamond Chestplate	Right Handed Torch Holder	Golden Blonde Ponytail	Lapis Lazuli Powder
PrismarinePete	Ender Teleportation	Netherite Shield	Right Handed Torch Holder	Golden Blonde Ponytail	Sweet Berry Bush

Clue 1

Multiplication facts (1-12)

To decrypt the server log's first lock, you tally the double chests filled with redstone repeater stacks.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

132

144

7 × 9 =T

9 × 2 =H

5 × 8 =V

12 × 12 =S

11 × 12 =D

10 × 6 =B

6 × 8 =A

7 × 12 =W

8 × 10 =F

2 × 2 =U

8 × 4 =R

9 × 8 =I

7 × 10 =O

11 × 7 =N

7 × 5 =L

2 × 3 =C

6 × 9 =E

0/17 letters found

Clue 2

Rounding

The security beacon's power monitor automatically rounds off energy readings to the nearest hundred.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

2000

700

2000

800

600

7000

8000

700

2000

700

7000

600

Round 52 to the nearest tenT

Round 37 to the nearest tenH

Round 594 to the nearest hundredD

Round 64 to the nearest tenG

Round 6,592 to the nearest thousandA

Round 86 to the nearest tenR

Round 7,965 to the nearest thousandO

Round 71 to the nearest tenF

Round 2,335 to the nearest thousandE

Round 33 to the nearest tenC

Round 849 to the nearest hundredL

Round 715 to the nearest hundredI

Round 21 to the nearest tenN

0/13 letters found

Clue 3

Addition

Investigating the breached vault requires adding up the missing iron ingot totals across three separate supply crates.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

879

526

981

526

740

879

526

725

712

806

676

251

526

725

526

879

830

676

530

431

712

830

676

831

505

830

431

530

734

893

879

526

725

676

893

676

943

615 + 264 =D

185 + 320 =U

325 + 415 =N

337 + 339 =A

239 + 192 =I

363 + 371 =O

170 + 360 =P

254 + 471 =R

560 + 383 =Y

536 + 270 =C

324 + 506 =L

162 + 89 =T

448 + 533 =F

527 + 366 =W

260 + 266 =E

273 + 558 =Z

468 + 244 =S

0/17 letters found

Clue 4

Subtraction

To pinpoint when the barrier collapsed, calculate the remaining durability points on the mainframe anvil.

Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.

870

295

210

531

468

556

870

176

102

556

531

210

259

176

531

259

870

405

222

259

677

726

531

222

210

564

204

210

204

102

176

678

468

556

1201 - 331 =S

658 - 127 =A

657 - 398 =K

908 - 231 =Y

875 - 311 =W

122 - 20 =F

516 - 111 =P

590 - 368 =I

774 - 96 =U

808 - 252 =D

564 - 360 =E

949 - 223 =H

411 - 116 =T

833 - 365 =N

384 - 208 =O

349 - 139 =R

0/16 letters found

Clue 5

Division facts (1-12) — the last clue

The automated hopper network divided the displaced emerald shards equally into the intake chutes.

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!

Step 1 — solve these

10 ÷ 1 = ?

4 ÷ 1 = ?

8 ÷ 8 = ?

5 ÷ 1 = ?

21 ÷ 7 = ?

24 ÷ 12 = ?

7 ÷ 1 = ?

12 ÷ 2 = ?

96 ÷ 12 = ?

84 ÷ 7 = ?

45 ÷ 5 = ?

Step 2 — cross out the sentence with each answer

1.The villain soared on elytra wings, then donned a diamond chestplate.

2.The villain chugged a speed potion, then donned a diamond chestplate.

3.The villain primed a tnt launcher, then chugged fire resistance brew.

4.The villain warped via ender teleportation, then raised a netherite shield.

5.The villain warped via ender teleportation, then chugged fire resistance brew.

6.The villain primed a tnt launcher, then raised a netherite shield.

7.The villain chugged a speed potion, then equipped a turtle shell.

8.The villain triggered a redstone pulse, then equipped a turtle shell.

9.The villain soared on elytra wings, then chugged fire resistance brew.

10.The villain warped via ender teleportation, then ate a golden apple.

11.The villain triggered a redstone pulse, then raised a netherite shield.

12.The villain warped via ender teleportation, then donned a diamond chestplate.

Solve it

Name the culprit

Choose the one suspect left standing.

Answer Key — The Great Redstone Vault Heist

Culprit: BlockMasterJax (Redstone Pulse · Netherite Shield · Right Handed Torch Holder · Dark Oak Spiky Hair · Lapis Lazuli Powder)

Clue 1 (Multiplication facts (1-12)): "THE VILLAIN DOES NOT USE FIRE RESISTANCE BREW"
7 × 9 = 63 (T) · 9 × 2 = 18 (H) · 5 × 8 = 40 (V) · 12 × 12 = 144 (S) · 11 × 12 = 132 (D) · 10 × 6 = 60 (B) · 6 × 8 = 48 (A) · 7 × 12 = 84 (W) · 8 × 10 = 80 (F) · 2 × 2 = 4 (U) · 8 × 4 = 32 (R) · 9 × 8 = 72 (I) · 7 × 10 = 70 (O) · 11 × 7 = 77 (N) · 7 × 5 = 35 (L) · 2 × 3 = 6 (C) · 6 × 9 = 54 (E)
Clue 2 (Rounding): "THE GRIEFER HELD A TORCH IN THEIR RIGHT HAND"
Round 52 to the nearest ten = 50 (T) · Round 37 to the nearest ten = 40 (H) · Round 594 to the nearest hundred = 600 (D) · Round 64 to the nearest ten = 60 (G) · Round 6,592 to the nearest thousand = 7000 (A) · Round 86 to the nearest ten = 90 (R) · Round 7,965 to the nearest thousand = 8000 (O) · Round 71 to the nearest ten = 70 (F) · Round 2,335 to the nearest thousand = 2000 (E) · Round 33 to the nearest ten = 30 (C) · Round 849 to the nearest hundred = 800 (L) · Round 715 to the nearest hundred = 700 (I) · Round 21 to the nearest ten = 20 (N)
Clue 3 (Addition): "DEFENDERS SCATTERED LAPIS LAZULI POWDER AWAY"
615 + 264 = 879 (D) · 185 + 320 = 505 (U) · 325 + 415 = 740 (N) · 337 + 339 = 676 (A) · 239 + 192 = 431 (I) · 363 + 371 = 734 (O) · 170 + 360 = 530 (P) · 254 + 471 = 725 (R) · 560 + 383 = 943 (Y) · 536 + 270 = 806 (C) · 324 + 506 = 830 (L) · 162 + 89 = 251 (T) · 448 + 533 = 981 (F) · 527 + 366 = 893 (W) · 260 + 266 = 526 (E) · 273 + 558 = 831 (Z) · 468 + 244 = 712 (S)
Clue 4 (Subtraction): "STRANDS OF DARK OAK SPIKY HAIR WERE FOUND"
1201 - 331 = 870 (S) · 658 - 127 = 531 (A) · 657 - 398 = 259 (K) · 908 - 231 = 677 (Y) · 875 - 311 = 564 (W) · 122 - 20 = 102 (F) · 516 - 111 = 405 (P) · 590 - 368 = 222 (I) · 774 - 96 = 678 (U) · 808 - 252 = 556 (D) · 564 - 360 = 204 (E) · 949 - 223 = 726 (H) · 411 - 116 = 295 (T) · 833 - 365 = 468 (N) · 384 - 208 = 176 (O) · 349 - 139 = 210 (R)
Clue 5 (Division facts (1-12)): surviving statement (box 11) → BlockMasterJax
10 ÷ 1 = 10 · 4 ÷ 1 = 4 · 8 ÷ 8 = 1 · 5 ÷ 1 = 5 · 21 ÷ 7 = 3 · 24 ÷ 12 = 2 · 7 ÷ 1 = 7 · 12 ÷ 2 = 6 · 96 ÷ 12 = 8 · 84 ÷ 7 = 12 · 45 ÷ 5 = 9

About this mystery

Grade level: Grade 3 math
Math topics: Multiplication, Rounding, Addition, Subtraction, Division
Reading level: grades 7-9
Theme: The Great Redstone Vault Heist — set in The Obsidian Citadel on the Overworld SMP Server
Format: Interactive online & printable worksheet with answer key
Solution: One unique, verified culprit among 21 suspects

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