Math Crackers
⛏️ MinecraftGrade 3Reading: grades 3-4SubtractionMultiplicationSkip countingWord problemsDivision

The Mystery of the Missing Nether Star

Someone snuck into the Fortress chest room and stole the golden beacon. The Master Builder needs your help to decode clues, track down the culprit, and save the server!

Suspects

Possible suspects

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

21 of 21 still in play
NameGearToolHabitHelmet ColorWeakness
RenIron ArmorEnchanted BowRight HandedObsidian BlackLava Bucket
AlexDiamond ArmorGolden AppleRight HandedEmerald GreenLava Bucket
SparklezNetherite ArmorRedstone TorchRight HandedEmerald GreenSplash Water
AphmauDiamond ArmorFirework RocketLeft HandedObsidian BlackIron Golem
ZedaphIron ArmorFirework RocketRight HandedRedstone RedLava Bucket
ImpulseDiamond ArmorDiamond PickaxeRight HandedRedstone RedLava Bucket
BdubsChainmail ArmorRedstone TorchRight HandedRedstone RedIron Golem
GemDiamond ArmorDiamond PickaxeRight HandedRedstone RedIron Golem
JordanGold ArmorGolden AppleRight HandedEmerald GreenIron Golem
TangoDiamond ArmorGolden AppleRight HandedEmerald GreenIron Golem
SteveIron ArmorFirework RocketLeft HandedRedstone RedIron Golem
StampyGold ArmorFirework RocketLeft HandedRedstone RedIron Golem
CleoDiamond ArmorEnchanted BowRight HandedEmerald GreenSplash Water
PearlChainmail ArmorEnchanted BowRight HandedObsidian BlackLava Bucket
TechnoChainmail ArmorGolden AppleLeft HandedRedstone RedIron Golem
SkeppyDiamond ArmorEnchanted BowLeft HandedRedstone RedIron Golem
PrestonGold ArmorDiamond PickaxeLeft HandedRedstone RedIron Golem
MumboDiamond ArmorRedstone TorchRight HandedEmerald GreenIron Golem
GrianChainmail ArmorEnchanted BowLeft HandedRedstone RedLava Bucket
XisumaDiamond ArmorDiamond PickaxeRight HandedEmerald GreenSplash Water
DanNetherite ArmorGolden AppleLeft HandedEmerald GreenLava Bucket
Clue 1

Subtraction

You count the leftover emeralds in the chest after the villain grabbed a stack to see what was 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
698
474
629
728
549
101
101
214
549
827
332
764
629
463
827
764
T
698
105
214
530
530
372
214
805
764
101
332
629
827
214
477
477
101
629
879 - 181 =T
721 - 389 =D
325 - 111 =A
1080 - 352 =V
694 - 65 =E
1115 - 351 =O
249 - 144 =C
655 - 125 =R
873 - 396 =P
499 - 36 =S
894 - 67 =N
944 - 395 =I
675 - 201 =H
477 - 376 =L
417 - 45 =Y
999 - 194 =G
0/16 letters found
Clue 2

Multiplication facts (1-12)

You inspect the rows of obsidian blocks laid down as barricades in the hallway.

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
48
77
6
3
70
6
14
35
120
63
54
55
55
14
54
70
54
3
55
6
50
T
48
77
14
70
33
6
33
12 × 4 =T
7 × 10 =N
7 × 5 =K
7 × 9 =V
1 × 3 =S
11 × 3 =D
7 × 11 =H
3 × 2 =E
12 × 10 =Y
11 × 5 =L
9 × 6 =I
5 × 10 =F
7 × 2 =A
0/13 letters found
Clue 3

Skip counting

You follow the trail of redstone dust dots across the grass blocks.

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
15
36
27
55
9
10
10
90
9
12
14
18
12
100
90
40
90
50
26
14
60
70
90
12
9
14
60
12
22
60
10
27
70
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30F
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120S
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65V
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, ___, 75, 80M
Skip-count by 3s. Fill the blank: 3, 6, 9, ___, 15, 18N
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, ___, 55, 60Y
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110A
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15I
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42H
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, ___, 21, 24U
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26G
Skip-count by 10s. Fill the blank: 10, 20, 30, ___, 50, 60W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80O
0/17 letters found
Clue 4

Word problems

The village librarian gives you a written puzzle about crafting recipe supplies.

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

Astrandof
R
27
75
46
36
65
67
59
75
R
27
75
46
hairturnedupatthescene.
Builder lined up 3 rows of 9 oak logs. How many oak logs in all?R
There were 50 emeralds. 4 were used up. How many emeralds are left?D
Builder found 14 iron ingots yesterday and 53 more today. How many iron ingots in all?O
Builder lined up 4 rows of 9 iron ingots. How many iron ingots in all?S
There were 85 oak logs. 20 were used up. How many oak logs are left?T
Builder found 25 redstone dust yesterday and 34 more today. How many redstone dust in all?N
Builder found 43 emeralds yesterday and 32 more today. How many emeralds in all?E
0/7 letters found
Clue 5

Division facts (1-12) — the last clue

You split the recovered lapis lazuli equally among your builder teammates.

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
110 ÷ 10 = ?
49 ÷ 7 = ?
24 ÷ 3 = ?
12 ÷ 6 = ?
100 ÷ 10 = ?
27 ÷ 9 = ?
60 ÷ 5 = ?
55 ÷ 11 = ?
24 ÷ 6 = ?
9 ÷ 1 = ?
5 ÷ 5 = ?
Step 2 — cross out the sentence with each answer
1.The villain equipped gold armor, then placed a redstone torch.
2.The villain equipped chainmail armor, then boosted with a firework rocket.
3.The villain equipped netherite armor, then shot an enchanted bow.
4.The villain equipped netherite armor, then boosted with a firework rocket.
5.The villain equipped iron armor, then ate a golden apple.
6.The villain equipped gold armor, then mined with a diamond pickaxe.
7.The villain equipped diamond armor, then shot an enchanted bow.
8.The villain equipped iron armor, then boosted with a firework rocket.
9.The villain equipped diamond armor, then ate a golden apple.
10.The villain equipped netherite armor, then placed a redstone torch.
11.The villain equipped gold armor, then boosted with a firework rocket.
12.The villain equipped netherite armor, then mined with a diamond pickaxe.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 3 math
Math topics
Subtraction, Multiplication, Skip counting, Word problems, Division
Reading level
grades 3-4
Theme
The Mystery of the Missing Nether Star — set in The Overworld Fortress
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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