Math Mysteries
⛏️ MinecraftGrade 7Reading: grades 7-9AdditionSubtractionMultiplicationRoundingDivision

The Great Griefer of Craftia

An unknown player has bypassed spawn protections and griefed the server's magnificent spawn castle! Cobblestone is everywhere, lava is pouring down the castle walls, and the diamond block throne is completely gone. As the chief investigator, you must decode the server logs, complete the math puzzles, and find the culprit before the entire server crashes.

Suspects

Possible suspects

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

21 of 21 still in play
NamePrimary StrategySecondary ToolMain-Hand PreferenceHelmet ChoiceTactical Weakness
TechnobladePotion BrewingMilk Bucket DrinkingRight-Handed swingLeather CapObsidian Wall
SteveNetherite DefenseSpawn Egg SummoningLeft-Handed swingGold HelmetMilk Bucket
EthosLabTNT CannonryDiamond Pickaxe MiningRight-Handed swingIron HelmetMilk Bucket
FalseSymmetryNetherite DefenseEnder Pearl TeleportingRight-Handed swingIron HelmetWater Bucket
ShubbleRedstone WiringDiamond Pickaxe MiningRight-Handed swingGold HelmetWater Bucket
DreamRedstone WiringSpawn Egg SummoningLeft-Handed swingLeather CapObsidian Wall
CaptainSparklezElytra GlidingSpawn Egg SummoningLeft-Handed swingGold HelmetWater Bucket
AlexNetherite DefenseMilk Bucket DrinkingLeft-Handed swingGold HelmetWater Bucket
GrianTNT CannonryTotem of UndyingLeft-Handed swingGold HelmetWater Bucket
LDShadowLadyNetherite DefenseEnder Pearl TeleportingLeft-Handed swingLeather CapMilk Bucket
GeminiTayTNT CannonryMilk Bucket DrinkingLeft-Handed swingIron HelmetWater Bucket
DanTDMRedstone WiringSpawn Egg SummoningRight-Handed swingIron HelmetObsidian Wall
VintageBeefNetherite DefenseDiamond Pickaxe MiningLeft-Handed swingGold HelmetWater Bucket
RendogPotion BrewingSpawn Egg SummoningLeft-Handed swingGold HelmetObsidian Wall
Docm77Elytra GlidingDiamond Pickaxe MiningLeft-Handed swingLeather CapMilk Bucket
Cubfan135TNT CannonryEnder Pearl TeleportingLeft-Handed swingGold HelmetMilk Bucket
BdoubleO100Netherite DefenseTotem of UndyingLeft-Handed swingLeather CapWater Bucket
SapnapRedstone WiringMilk Bucket DrinkingRight-Handed swingIron HelmetMilk Bucket
Smajor1995Elytra GlidingDiamond Pickaxe MiningLeft-Handed swingGold HelmetObsidian Wall
StampyTNT CannonryMilk Bucket DrinkingLeft-Handed swingGold HelmetWater Bucket
MumboJumboPotion BrewingTotem of UndyingLeft-Handed swingIron HelmetObsidian Wall
Clue 1

Addition

The Griefer escaped through a ruined portal. To calculate how many blocks were damaged, the server admin added up the obsidian piles in the swamp and the plains.

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

T
6766
2221
4944
2016
2944
6992
4944
2688
4944
2944
5361
7918
4944
5421
6969
7918
T
6766
8011
5421
4944
5421
3092
7808
3237
6969
4944
2016
2016
5421
4579 + 2187 =T
916 + 1772 =F
1780 + 1312 =P
4258 + 3753 =U
957 + 1059 =G
947 + 1274 =H
2689 + 2255 =E
4183 + 2786 =N
4415 + 3503 =O
2041 + 1196 =W
3731 + 4077 =A
3264 + 2097 =D
2769 + 4223 =I
1635 + 3786 =S
1476 + 1468 =R
0/15 letters found
Clue 2

Subtraction

The thief looted the spawn armory chest. By subtracting the remaining iron boots from the original stockpile, the builder found a scrap of armor left in the lockbox.

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

L
5851
3490
3630
4709
4396
5419
4897
5941
3490
5941
4061
L
5851
1707
8047
6146
5749
4979
L
5851
5419
8047
3490
5941
1707
4897
4709
4396
3490
4979
1707
7189
4709
5419
L
5851
9817 - 3966 =L
9614 - 2425 =R
8235 - 2294 =D
3083 - 1376 =O
6002 - 1941 =B
10965 - 4819 =K
7282 - 2573 =T
9177 - 4280 =N
5949 - 2459 =E
4809 - 413 =H
6718 - 1739 =P
4611 - 981 =F
9266 - 3847 =A
10370 - 4621 =S
8161 - 114 =C
0/15 letters found
Clue 3

Multiplication facts (1-12)

To track the Griefer's speed, the search party counted the grid of melons ruined in the farm. Multiplying the columns of crushed crops by the rows gave them the exact coordinate of the escape tunnel.

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

T
24
27
7
20
42
21
7
121
7
42
35
33
60
50
7
64
64
60
50
49
10
55
50
77
T
24
7
42
121
33
60
50
35
8 × 3 =T
7 × 1 =E
7 × 7 =N
3 × 11 =L
11 × 11 =F
7 × 3 =I
3 × 9 =H
12 × 5 =O
5 × 10 =W
7 × 11 =A
5 × 7 =S
10 × 2 =G
2 × 5 =B
8 × 8 =D
5 × 11 =Y
6 × 7 =R
0/16 letters found
Clue 4

Rounding

The compass coordinate for the villain's secret hideout was fuzzy. The tracking plugin only displayed coordinates rounded to the nearest ten blocks, forcing the team to estimate the landing zone.

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

B
230
110
2300
2000
500
170
1700
30
5000
5000
20
430
200
30
170
130
5000
5000
2300
1300
90
5000
130
370
30
2900
7000
2300
2900
1300
20
3700
30
110
30
7000
Round 229 to the nearest tenB
Round 2,159 to the nearest thousandG
Round 5,082 to the nearest thousandL
Round 20 to the nearest tenO
Round 2,933 to the nearest hundredS
Round 426 to the nearest tenW
Round 249 to the nearest hundredM
Round 7,162 to the nearest thousandD
Round 370 to the nearest tenK
Round 545 to the nearest hundredH
Round 3,678 to the nearest hundredV
Round 1,331 to the nearest hundredC
Round 131 to the nearest tenA
Round 2,306 to the nearest hundredI
Round 1,686 to the nearest hundredY
Round 28 to the nearest tenE
Round 171 to the nearest tenT
Round 110 to the nearest tenR
Round 92 to the nearest tenF
0/19 letters found
Clue 5

Division facts (1-12) — the last clue

Before storming the stronghold, the heroes divided their golden carrots equally among the five squad members to ensure everyone had enough hunger points to survive the battle.

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
3 ÷ 1 = ?
5 ÷ 1 = ?
12 ÷ 1 = ?
6 ÷ 1 = ?
44 ÷ 4 = ?
9 ÷ 1 = ?
6 ÷ 6 = ?
63 ÷ 9 = ?
40 ÷ 5 = ?
8 ÷ 2 = ?
18 ÷ 9 = ?
Step 2 — cross out the sentence with each answer
1.The villain wired a secret redstone trap, then cheated death using a totem of undying.
2.The villain splashed a potion of harming, then summoned angry zombies with spawn eggs.
3.The villain ignited a massive TNT cannon, then drank a bucket of milk to clear the poison.
4.The villain splashed a potion of harming, then cheated death using a totem of undying.
5.The villain charged in with netherite armor, then mined a getaway shaft with a diamond pickaxe.
6.The villain charged in with netherite armor, then summoned angry zombies with spawn eggs.
7.The villain wired a secret redstone trap, then summoned angry zombies with spawn eggs.
8.The villain splashed a potion of harming, then mined a getaway shaft with a diamond pickaxe.
9.The villain splashed a potion of harming, then drank a bucket of milk to clear the poison.
10.The villain ignited a massive TNT cannon, then cheated death using a totem of undying.
11.The villain ignited a massive TNT cannon, then teleported away with an ender pearl.
12.The villain charged in with netherite armor, then drank a bucket of milk to clear the poison.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 7 math
Math topics
Addition, Subtraction, Multiplication, Rounding, Division
Reading level
grades 7-9
Theme
The Great Griefer of Craftia — set in The Craftia SMP Server
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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