Math Mysteries
⛏️ MinecraftGrade 3Reading: grades 3-4AdditionSubtractionMultiplicationWord problemsDivision

The Diamond Block Mystery

Someone snuck into the village hall and mined the sacred Diamond Block! Our only hope is a clever detective who can follow the redstone trails and solve the math puzzles left behind.

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 SkillSpawned GearCombat StanceCharacter HelmetCritical Weakness
RanbooElytra glider flyingDiamond swordLeft handed swingPurple dragon hatIron golem patrol
GoodTimesWithScarTNT block blastingNetherite chestplateRight handed swingPurple dragon hatOcelot companion
VintageBeefElytra glider flyingEnchanted golden appleRight handed swingShiny gold crownOcelot companion
BdoubleOEnder pearl teleportingNetherite chestplateRight handed swingPurple dragon hatOcelot companion
SteveTNT block blastingTotem of undyingRight handed swingCreeper maskSplash potion of water
GeorgeNotFoundSpawning tamed wolvesTotem of undyingLeft handed swingShiny gold crownOcelot companion
LDShadowLadyTNT block blastingPotion of fire resistanceRight handed swingPurple dragon hatIron golem patrol
AphmauEnder pearl teleportingEnchanted golden appleRight handed swingPurple dragon hatIron golem patrol
AntVenomEnder pearl teleportingDiamond swordLeft handed swingShiny gold crownOcelot companion
AlexRedstone machine buildingPotion of fire resistanceLeft handed swingPurple dragon hatOcelot companion
CaptainSparklezSpawning tamed wolvesNetherite chestplateRight handed swingPurple dragon hatOcelot companion
GeminiTayTNT block blastingEnchanted golden appleRight handed swingPurple dragon hatOcelot companion
BadBoyHaloSpawning tamed wolvesDiamond swordRight handed swingShiny gold crownIron golem patrol
TubboEnder pearl teleportingEnchanted golden appleLeft handed swingShiny gold crownOcelot companion
DanTDMSpawning tamed wolvesTotem of undyingRight handed swingCreeper maskOcelot companion
SapnapTNT block blastingTotem of undyingRight handed swingShiny gold crownOcelot companion
TommyInnitEnder pearl teleportingTotem of undyingRight handed swingShiny gold crownSplash potion of water
SparkySpawning tamed wolvesPotion of fire resistanceRight handed swingShiny gold crownOcelot companion
ZombieCleoElytra glider flyingDiamond swordRight handed swingShiny gold crownOcelot companion
EthoSpawning tamed wolvesDiamond swordLeft handed swingPurple dragon hatSplash potion of water
GrianTNT block blastingDiamond swordRight handed swingShiny gold crownOcelot companion
Clue 1

Addition

We found a double chest full of redstone torches. We need to add the two rows of torches together to decode the secret security signal.

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
469
568
284
368
773
578
578
866
773
968
287
952
284
549
968
952
T
469
568
866
368
284
866
818
952
578
287
284
968
866
532
532
578
284
303 + 166 =T
387 + 479 =A
470 + 482 =O
164 + 204 =V
104 + 183 =D
100 + 184 =E
343 + 225 =H
343 + 625 =N
330 + 488 =G
276 + 273 =S
310 + 463 =I
291 + 287 =L
351 + 181 =P
0/13 letters found
Clue 2

Subtraction

A thief raided our iron storage crate. Subtract the leftover iron ingots from the starting stack to find out how many were stolen.

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
852
104
228
434
267
488
488
500
267
641
883
646
267
641
361
883
646
267
T
852
104
T
852
104
228
267
458
458
267
361
104
T
852
104
500
641
239
1231 - 379 =T
529 - 41 =L
737 - 303 =V
574 - 346 =E
1030 - 389 =N
1080 - 197 =S
569 - 69 =A
523 - 65 =R
198 - 94 =H
576 - 309 =I
906 - 260 =W
338 - 99 =D
754 - 393 =G
0/13 letters found
Clue 3

Multiplication facts (1-12)

The blacksmith stacked obsidian blocks in equal rows inside the furnace room. Multiply the rows by the columns to count them quickly.

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

A
20
28
36
48
2
120
36
7
40
144
120
120
110
48
A
20
121
2
7
24
2
27
144
120
120
A
20
144
28
A
20
40
A
20
1
5 × 4 =A
3 × 9 =V
8 × 3 =H
4 × 7 =N
7 × 1 =T
11 × 10 =S
2 × 1 =E
12 × 10 =L
4 × 12 =C
4 × 9 =O
8 × 5 =W
11 × 11 =R
12 × 12 =I
1 × 1 =Y
0/14 letters found
Clue 4

Word problems

Alex wrote a word puzzle on a hanging sign outside the village library. Solving the riddle will reveal a map to the next clue.

Solve each problem to learn its letter, then write the letters in the boxes to fill in the missing word.

Astrandof
S
47
39
55
72
43
51
9
L
 
D
 
C
 
R
 
9
W
 
72
hairturnedupatthescene.
There were 72 ender pearls. 25 were used up. How many ender pearls are left?S
Steve lined up 11 rows of 5 diamonds. How many diamonds in all?I
There were 74 diamonds. 35 were used up. How many diamonds are left?H
Steve lined up 8 rows of 9 slimeballs. How many slimeballs in all?N
Steve found 23 slimeballs yesterday and 28 more today. How many slimeballs in all?G
Steve found 28 ender pearls yesterday and 15 more today. How many ender pearls in all?Y
Steve found 6 emeralds yesterday and 3 more today. How many emeralds in all?O
0/7 letters found
Clue 5

Division facts (1-12) — the last clue

We need to split our healing potions equally among the village guards. Divide the total potions to see what each guard gets.

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
16 ÷ 8 = ?
55 ÷ 5 = ?
32 ÷ 8 = ?
6 ÷ 6 = ?
30 ÷ 6 = ?
18 ÷ 2 = ?
6 ÷ 2 = ?
36 ÷ 3 = ?
32 ÷ 4 = ?
42 ÷ 7 = ?
40 ÷ 4 = ?
Step 2 — cross out the sentence with each answer
1.The villain swoops down using an elytra, then polishes some netherite armor.
2.The villain detonates a wall of TNT, then clutches a glowing totem of undying.
3.The villain teleports behind the chest, then clutches a glowing totem of undying.
4.The villain whistles for a pack of wolves, then splashes a fire resistance potion.
5.The villain wires up a redstone trap, then polishes some netherite armor.
6.The villain whistles for a pack of wolves, then munching an enchanted apple.
7.The villain detonates a wall of TNT, then swings a diamond sword.
8.The villain detonates a wall of TNT, then polishes some netherite armor.
9.The villain wires up a redstone trap, then munching an enchanted apple.
10.The villain whistles for a pack of wolves, then swings a diamond sword.
11.The villain swoops down using an elytra, then swings a diamond sword.
12.The villain whistles for a pack of wolves, then polishes some netherite armor.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Addition, Subtraction, Multiplication, Word problems, Division
Reading level
grades 3-4
Theme
The Diamond Block Mystery — set in a bustling blocky village near a dark oak forest
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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