Math Crackers
⛏️ MinecraftGrade 2Reading: grades 1-2SubtractionAdditionPlace valueSkip countingMissing addends

The Mystery of the Missing Diamond Block

Someone snuck into the craft hall and took the shiny Diamond Block! Solve the math clues to help Master Builder Alex find the sneaky griefer.

Suspects

Possible suspects

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

21 of 21 still in play
NameMain ToolChest LootGrip StyleHelmet TypeFear
ZoeGolden ShovelSlime BlockLeft-handedTurtle ShellLit TNT
DanGolden ShovelGlowstone DustLeft-handedIron HelmetTamed Wolf
EmmaNetherite HoeSlime BlockLeft-handedIron HelmetLit TNT
ZackNetherite HoeRedstone DustLeft-handedIron HelmetLit TNT
RubyGolden ShovelGlowstone DustRight-handedLeather CapSplash Potion
OwenGolden ShovelEnder PearlLeft-handedIron HelmetLit TNT
NoraGolden ShovelEnder PearlRight-handedLeather CapLit TNT
SquidWooden SwordRedstone DustRight-handedTurtle ShellTamed Wolf
MiaNetherite HoeGlowstone DustRight-handedIron HelmetTamed Wolf
EliGolden ShovelGlowstone DustRight-handedTurtle ShellTamed Wolf
CoreyIron AxeRedstone DustLeft-handedIron HelmetLit TNT
JackDiamond PickaxeSlime BlockRight-handedLeather CapTamed Wolf
FinnGolden ShovelGolden AppleLeft-handedLeather CapLit TNT
LeoGolden ShovelRedstone DustRight-handedTurtle ShellLit TNT
StampyDiamond PickaxeEnder PearlRight-handedLeather CapSplash Potion
ChloeNetherite HoeRedstone DustRight-handedIron HelmetLit TNT
LiamNetherite HoeSlime BlockRight-handedTurtle ShellLit TNT
LucasWooden SwordSlime BlockLeft-handedLeather CapLit TNT
SteveIron AxeGolden AppleRight-handedTurtle ShellSplash Potion
SammyDiamond PickaxeSlime BlockLeft-handedIron HelmetLit TNT
AlexNetherite HoeRedstone DustLeft-handedIron HelmetSplash Potion
Clue 1

Subtraction

You take away broken minecarts from the track to solve this 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.

T
57
31
55
45
73
82
82
41
73
23
51
11
55
56
23
11
T
57
87
41
53
53
64
41
23
55
23
51
55
53
78
55
41
53
82
90 - 33 =T
71 - 40 =H
50 - 9 =A
68 - 13 =E
66 - 13 =R
109 - 31 =P
96 - 9 =C
35 - 24 =O
58 - 2 =S
97 - 15 =L
64 - 19 =V
29 - 6 =N
89 - 25 =Y
80 - 29 =D
86 - 13 =I
0/15 letters found
Clue 2

Addition

You add up two stacks of cobblestone to uncover this 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.

T
26
70
51
43
73
35
35
82
80
66
43
47
51
89
T
26
70
66
73
78
51
78
14 + 12 =T
32 + 48 =W
17 + 18 =O
28 + 23 =E
26 + 17 =S
51 + 27 =D
42 + 31 =N
57 + 25 =P
46 + 24 =H
17 + 30 =L
28 + 38 =A
48 + 41 =F
0/12 letters found
Clue 3

Place value

You read the tens and ones on the chest lock to crack this 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.

T
52
46
82
54
90
91
91
75
49
11
58
33
82
17
90
82
11
34
33
58
T
52
T
52
90
T
52
What number has 5 tens and 2 ones?T
What number has 5 tens and 4 ones?S
What number has 9 tens and 1 one?O
What number has 1 ten and 1 one?A
What number has 4 tens and 6 ones?H
What number has 1 ten and 7 ones?D
What number has 3 tens and 4 ones?R
What number has 7 tens and 5 ones?P
What number has 8 tens and 2 ones?E
What number has 9 tens and 0 ones?N
What number has 3 tens and 3 ones?L
What number has 5 tens and 8 ones?I
What number has 4 tens and 9 ones?F
0/13 letters found
Clue 4

Skip counting

You count rail tracks by fives across the ravine to find this 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.

T
28
25
39
21
80
130
36
T
28
45
24
20
39
30
9
24
120
120
39
30
10
20
130
9
24
20
25
39
36
22
39
T
28
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32T
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42L
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35H
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28O
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14A
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140P
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55Y
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15R
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27G
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150I
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45E
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26M
0/15 letters found
Clue 5

Missing addends — the last clue

You find the missing number of iron bars needed for the cage to solve this clue.

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
6 + ___ = 16
8 + ___ = 15
4 + ___ = 12
2 + ___ = 11
5 + ___ = 11
10 + ___ = 14
8 + ___ = 19
8 + ___ = 13
6 + ___ = 7
3 + ___ = 6
5 + ___ = 17
Step 2 — cross out the sentence with each answer
1.The villain tilled with a netherite hoe, then threw an ender pearl.
2.The villain tilled with a netherite hoe, then dropped redstone dust.
3.The villain tilled with a netherite hoe, then scattered glowstone dust.
4.The villain swung a diamond pickaxe, then ate a golden apple.
5.The villain swung a wooden sword, then dropped redstone dust.
6.The villain swung a wooden sword, then ate a golden apple.
7.The villain tilled with a netherite hoe, then bounced on a slime block.
8.The villain chopped with an iron axe, then dropped redstone dust.
9.The villain chopped with an iron axe, then bounced on a slime block.
10.The villain swung a diamond pickaxe, then bounced on a slime block.
11.The villain swung a diamond pickaxe, then scattered glowstone dust.
12.The villain swung a diamond pickaxe, then threw an ender pearl.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 2 math
Math topics
Subtraction, Addition, Place value, Skip counting, Missing addends
Reading level
grades 1-2
Theme
The Mystery of the Missing Diamond Block — set in Blocky World Server
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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