Math Mysteries
⛏️ Verity from MinecraftGrade 5Reading: grades 5-6Fractions of a numberMulti-step word problemsBar modelsOrder of operationsMissing addends

The Case of the Ruined Redstone Temple

Verity needs your help! A rogue crafter has broken into the ancient temple archives and stolen the sacred Nether Star Map. We must track down the culprit before they grief the entire 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
NamePrimary Block ChoicePocket Inventory ToolHolding StanceHelmet StyleVulnerability
HarperPrismarine BricksFire ChargeLeft Handed GripGold HelmetSplash Potion of Slowness
MaxRedstone RepeatersGolden AppleLeft Handed GripIron HelmetSplash Potion of Slowness
JackRedstone RepeatersWater BucketLeft Handed GripNetherite HelmetSplash Potion of Slowness
JesseObsidian BlocksGolden AppleLeft Handed GripGold HelmetLava Trench Trap
OliviaGlowstone BlocksWater BucketRight Handed GripGold HelmetSweet Berry Bush
FredGlowstone BlocksDiamond PickaxeLeft Handed GripIron HelmetSplash Potion of Slowness
NurmObsidian BlocksEnder PearlLeft Handed GripGold HelmetLava Trench Trap
EmilySlime BlocksEnder PearlLeft Handed GripGold HelmetSplash Potion of Slowness
BintaPrismarine BricksEnder PearlLeft Handed GripGold HelmetSplash Potion of Slowness
StellaObsidian BlocksEnder PearlRight Handed GripGold HelmetSplash Potion of Slowness
ValPrismarine BricksWater BucketLeft Handed GripGold HelmetSweet Berry Bush
SorenRedstone RepeatersDiamond PickaxeRight Handed GripIron HelmetSweet Berry Bush
LukasObsidian BlocksEnder PearlLeft Handed GripNetherite HelmetSplash Potion of Slowness
IvorSlime BlocksEnder PearlLeft Handed GripIron HelmetLava Trench Trap
XaraPrismarine BricksGolden AppleRight Handed GripNetherite HelmetSplash Potion of Slowness
NellRedstone RepeatersEnder PearlRight Handed GripNetherite HelmetSweet Berry Bush
RomeoPrismarine BricksDiamond PickaxeLeft Handed GripGold HelmetSplash Potion of Slowness
LeoRedstone RepeatersGolden AppleLeft Handed GripGold HelmetLava Trench Trap
RadarRedstone RepeatersGolden AppleRight Handed GripNetherite HelmetSweet Berry Bush
StevePrismarine BricksWater BucketLeft Handed GripGold HelmetSplash Potion of Slowness
PetraSlime BlocksWater BucketLeft Handed GripNetherite HelmetSplash Potion of Slowness
Clue 1

Fractions of a number

Verity stacks rows of cobblestone blocks to compare two minecart storage chests. She draws a visual bar model in the dirt to see which chest holds more coal.

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
5
40
30
6
12
20
30
10
30
12
18
29
30
37
21
29
T
5
28
34
12
12
22
34
10
20
12
30
28
40
34
12
6
30
1/2 of 10 =T
4/8 of 56 =C
2/6 of 120 =H
5/10 of 58 =O
1/6 of 180 =E
1/5 of 185 =S
6/10 of 10 =G
3/6 of 24 =R
4/8 of 42 =N
1/4 of 136 =A
2/5 of 25 =F
4/10 of 50 =I
1/2 of 36 =D
2/3 of 33 =Y
0/14 letters found
Clue 2

Multi-step word problems

To unlock a sealed iron door, Verity must calculate the exact number of iron ingots and wood planks needed to craft several pistons and tripwire hooks.

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

Awitnesssawthevillainwas
L
86
17
56
89
16
49
51
D
 
17
D
 
G
 
R
 
I
 
P
 
.
There were 580 slimeballs in all. 4 the build team used 16 slimeballs each. The other 6 the build team shared the rest equally. How many slimeballs did each of the other the build team get?L
There were 325 redstone torches in all. 3 the build team used 15 redstone torches each. The other 5 the build team shared the rest equally. How many redstone torches did each of the other the build team get?F
There were 387 golden carrots in all. 4 the build team used 33 golden carrots each. The other 5 the build team shared the rest equally. How many golden carrots did each of the other the build team get?N
There were 192 slimeballs in all. 2 the build team used 7 slimeballs each. The other 2 the build team shared the rest equally. How many slimeballs did each of the other the build team get?T
There were 76 diamond ores in all. 1 the build team used 8 diamond ores each. The other 4 the build team shared the rest equally. How many diamond ores did each of the other the build team get?E
The wandering trader collected 81 ender pearls in the morning and 213 ender pearls in the afternoon, then split them equally among 6 the build team. How many ender pearls did each get?A
There were 113 diamond ores in all. 17 diamond ores were set aside. The rest were shared equally among 6 the build team. How many diamond ores did each get?H
0/7 letters found
Clue 3

Bar model word problems

Verity finds a shared chest of emeralds left behind by wandering traders. She divides the total stack to find the exact fraction of gems owned by each trader.

Draw a bar model to solve each word problem. Its answer reveals a letter — write the letters in the boxes to fill in the missing word.

Someonescaredthevillainoffwith
S
75
124
120
42
S
75
29
124
137
115
I
 
137
N
 
137
F
 
S
75
120
137
W
 
N
 
E
 
S
75
S
75
.
The wandering trader has 225 ender pearls, packed 3 to a bag. How many bags can be filled?
draw a bar model
Answer:→S
One group collected 13 slimeballs and another group collected 29 slimeballs. How many slimeballs in all?
draw a bar model
Answer:→A
The wandering trader used 1/2 of the golden carrots on the first day. The other 60 golden carrots were used the next day. How many golden carrots were there in all?
draw a bar model
Answer:→L
The wandering trader used 1/5 of the slimeballs on the first day. The other 92 slimeballs were used the next day. How many slimeballs were there in all?
draw a bar model
Answer:→T
The wandering trader has 58 diamond ores, packed 2 to a bag. How many bags can be filled?
draw a bar model
Answer:→H
The wandering trader used 1/2 of the golden carrots on the first day. The other 62 golden carrots were used the next day. How many golden carrots were there in all?
draw a bar model
Answer:→P
One group collected 113 slimeballs and another group collected 24 slimeballs. How many slimeballs in all?
draw a bar model
Answer:→O
0/7 letters found
Clue 4

Order of operations

A complex redstone circuit sits before Verity. She must activate the repeaters and levers in the correct order of operations to avoid setting off a TNT trap.

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
63
17
78
49
70
28
23
73
58
14
70
25
23
23
31
21
40
A
63
17
58
31
6
21
49
70
21
78
31
14
49
29
21
9 + 6 × 9 =A
2 × 10 - 3 =S
10 + 3 × 5 =U
8 + 3 × 2 =D
2 + 2 × 2 =F
5 × 9 - 5 =W
5 × 7 - 6 =R
6 × 5 - 2 =Y
42 + 4 × 9 =H
11 + 2 × 5 =T
9 × 9 - 11 =N
28 + 9 × 5 =O
10 × 5 - 1 =I
33 + 5 × 5 =L
4 × 11 - 13 =E
5 × 10 - 27 =G
0/16 letters found
Clue 5

Missing addends — the last clue

A double chest needs to be completely filled with stone blocks to trigger a heavy pressure plate. Verity calculates how many more blocks are missing from the stack.

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
7 + ___ = 14
5 + ___ = 14
3 + ___ = 7
18 + ___ = 23
20 + ___ = 21
37 + ___ = 47
11 + ___ = 13
23 + ___ = 35
2 + ___ = 13
15 + ___ = 18
29 + ___ = 37
Step 2 — cross out the sentence with each answer
1.The villain lays down a complex redstone trail, then tunnels away using a diamond pickaxe.
2.The villain builds a towering wall of obsidian, then sparks a blazing distraction with a fire charge.
3.The villain lights up the dark cavern with glowstone, then sparks a blazing distraction with a fire charge.
4.The villain stacks heavy prismarine bricks, then tunnels away using a diamond pickaxe.
5.The villain bounces high into the air on slime blocks, then heals up quickly by eating a golden apple.
6.The villain bounces high into the air on slime blocks, then teleports through the wall with an ender pearl.
7.The villain stacks heavy prismarine bricks, then places a water bucket to stop the fall.
8.The villain builds a towering wall of obsidian, then tunnels away using a diamond pickaxe.
9.The villain stacks heavy prismarine bricks, then teleports through the wall with an ender pearl.
10.The villain builds a towering wall of obsidian, then heals up quickly by eating a golden apple.
11.The villain lights up the dark cavern with glowstone, then tunnels away using a diamond pickaxe.
12.The villain bounces high into the air on slime blocks, then tunnels away using a diamond pickaxe.
Solve it

Name the culprit

Choose the one suspect left standing.

About this mystery

Grade level
Grade 5 math
Math topics
Fractions of a number, Multi-step word problems, Bar models, Order of operations, Missing addends
Reading level
grades 5-6
Theme
The Case of the Ruined Redstone Temple — set in a deep underground Minecraft cavern filled with blocky ruins and redstone dust
Format
Interactive online & printable worksheet with answer key
Solution
One unique, verified culprit among 21 suspects

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