Math Crackers
⛏️ MinecraftGrade 5Reading: grades 3-4SubtractionFractions of a numberOrder of operationsMultiplicationDivision

The Mystery of Blocky Keep

Someone scrambled the redstone blueprints at Blocky Keep! Solve the math clues to find out which suspect did it.

Suspects

Possible suspects

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

21 of 21 still in play
NameSkillItemDominant HandHairstyleCounter
Peyton Flintredstone wiringgolden appleright handedbraided hairwater buckets
Riley Birchredstone wiringender pearlleft handedspiky hairsplash potions
Parker Gravelpixel miningdiamond swordright handedspiky hairwater buckets
Sam Cobbleredstone wiringdiamond swordleft handedbraided hairmusic discs
Skyler Glowstonetaming wolvesfirework rocketright handedbraided hairmusic discs
Jesse Sandstonebrewing potionsredstone torchright handedbraided hairmusic discs
Steve Blockredstone wiringender pearlright handedbraided hairmusic discs
Rowan Prismredstone wiringredstone torchright handedspiky hairmusic discs
Sawyer Andesitetaming wolvesgolden appleright handedbraided hairwater buckets
Finley Copperredstone wiringfirework rocketright handedcurly hairmusic discs
Hayden Basaltredstone wiringdiamond swordright handedbraided hairmusic discs
Emerson Claybrewing potionsfirework rocketright handedbraided hairmusic discs
Avery Obsidiantaming wolvesender pearlright handedspiky hairmusic discs
Kai Terracottabrewing potionsdiamond swordleft handedspiky hairsplash potions
Morgan Oakredstone wiringredstone torchright handedcurly hairmusic discs
Reese Quartzbuilding towersgolden appleleft handedcurly hairwater buckets
Quinn Redstonetaming wolvesfirework rocketleft handedbraided hairmusic discs
Jordan Lapispixel miningender pearlleft handedcurly hairmusic discs
Harper Dioritebuilding towersdiamond swordleft handedspiky hairmusic discs
Casey Sprucebuilding towersgolden appleright handedspiky hairmusic discs
Ellis Granitepixel miningender pearlright handedcurly hairwater buckets
Clue 1

Subtraction

A sneaky Golem took blocks from the village warehouse overnight. Builder Alex counts what remains to see how many were taken.

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
3903
2688
1776
2467
5023
2467
6861
1776
1550
T
3903
2478
5626
1776
2467
3058
5626
T
3903
1550
8611
6425
6425
6027
8611
3058
1776
3058
2478
1776
6425
6861
1776
8611
6425
7912
4812 - 909 =T
6515 - 4965 =C
5623 - 3847 =E
10769 - 4742 =Y
6405 - 3717 =H
5876 - 853 =U
11681 - 4820 =P
7106 - 4048 =N
9844 - 1233 =A
5956 - 330 =O
10438 - 2526 =L
4892 - 2414 =D
2502 - 35 =S
7439 - 1014 =R
0/14 letters found
Clue 2

Fractions of a number

A hidden chest in the mineshaft held a stack of shiny gems. Builder Alex takes a fraction of the stack to test for redstone power.

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
6
34
32
30
21
T
6
9
32
16
16
16
4
30
4
39
21
31
34
T
6
34
4
9
12
32
12
14
39
4
11
T
6
32
39
2/4 of 12 =T
2/3 of 45 =W
9/10 of 10 =N
1/5 of 160 =E
6/8 of 52 =R
2/3 of 21 =C
3/6 of 32 =S
1/4 of 16 =A
2/10 of 55 =F
1/4 of 84 =I
1/6 of 186 =G
4/6 of 18 =D
1/2 of 68 =H
0/13 letters found
Clue 3

Order of operations

To unlock the ancient Nether gate, Builder Alex must follow the exact order of levers and buttons on the puzzle door.

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
12
75
49
76
20
25
8
T
12
69
49
15
63
49
63
T
12
75
49
28
25
69
69
51
22
T
12
75
28
8
76
22
20
63
22
76
20
76
8 × 3 - 12 =T
2 + 3 × 2 =U
8 × 9 - 23 =E
6 × 11 - 3 =D
3 + 8 × 6 =W
3 × 10 - 2 =M
4 + 4 × 4 =C
10 × 10 - 25 =H
49 + 9 × 3 =S
2 × 8 - 1 =N
34 + 7 × 5 =F
11 + 7 × 2 =O
10 + 6 × 2 =I
0/13 letters found
Clue 4

Multiplication facts (1-12)

The farm harvest was packed neatly into equal rows of storage crates ready for shipping.

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

E
30
81
36
16
E
30
45
55
E
30
44
66
22
54
44
1
96
84
36
16
E
30
16
66
84
36
96
84
60
60
66
E
30
90
22
96
60
3 × 10 =E
11 × 6 =H
5 × 11 =C
12 × 8 =R
9 × 5 =N
9 × 10 =F
9 × 9 =V
1 × 1 =B
6 × 9 =W
7 × 12 =A
4 × 4 =D
2 × 11 =O
12 × 5 =T
11 × 4 =S
4 × 9 =I
0/15 letters found
Clue 5

Division facts (1-12) — the last clue

Builder Alex divides the remaining emeralds equally among the guard posts to complete the investigation.

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 = ?
60 ÷ 5 = ?
32 ÷ 4 = ?
20 ÷ 10 = ?
35 ÷ 7 = ?
66 ÷ 6 = ?
72 ÷ 12 = ?
48 ÷ 12 = ?
108 ÷ 12 = ?
56 ÷ 8 = ?
6 ÷ 6 = ?
Step 2 — cross out the sentence with each answer
1.The villain tried brewing potions, then ate a golden apple.
2.The villain tried brewing potions, then threw an ender pearl.
3.The villain tried brewing potions, then lit a redstone torch.
4.The villain tried brewing potions, then swung a diamond sword.
5.The villain started taming wolves, then swung a diamond sword.
6.The villain finished redstone wiring, then launched a firework rocket.
7.The villain kept building towers, then launched a firework rocket.
8.The villain started taming wolves, then launched a firework rocket.
9.The villain started taming wolves, then ate a golden apple.
10.The villain tried brewing potions, then launched a firework rocket.
11.The villain finished redstone wiring, then threw an ender pearl.
12.The villain finished redstone wiring, then swung a diamond sword.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Subtraction, Fractions of a number, Order of operations, Multiplication, Division
Reading level
grades 3-4
Theme
The Mystery of Blocky Keep — set in Blocky Keep Fortress
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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