⛏️ MinecraftGrade 3Reading: grades 3-4Place valueAdditionRoundingSubtractionDivision
The Diamond Block Mystery
Someone took the legendary Giant Diamond Block right before the grand build contest! The village needs your help. Look for clues, solve the puzzles, and find the Grief Bandit!
Suspects
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
21 of 21 still in play
| Name | Main Tool | Escape Gear | Stance Tell | Hair Color | Dreaded Block |
|---|---|---|---|---|---|
| Puffy | Diamond Sword | Totem of Undying | Carries a shield | Brown Hair | Snowballs |
| Skeppy | Netherite Pick | Water Bucket | Holds a torch | Orange Hair | Water Splash |
| Sapnap | Netherite Pick | Totem of Undying | Holds a torch | Blue Hair | Lava Bucket |
| Lizzie | Ender Pearl | Elytra Wings | Holds a torch | Brown Hair | Water Splash |
| Sparklez | Ender Pearl | Elytra Wings | Carries a shield | Orange Hair | Snowballs |
| Dream | Diamond Sword | Splash Potion | Holds a torch | Orange Hair | Lava Bucket |
| Sam | Redstone Dust | Totem of Undying | Holds a torch | Orange Hair | Snowballs |
| Mumbo | Redstone Dust | Water Bucket | Holds a torch | Brown Hair | Water Splash |
| Purpled | Ender Pearl | Firework Rocket | Holds a torch | Brown Hair | Water Splash |
| Alex | Ender Pearl | Splash Potion | Holds a torch | Orange Hair | Lava Bucket |
| Grian | Ender Pearl | Splash Potion | Holds a torch | Brown Hair | Water Splash |
| Tubbo | Ender Pearl | Totem of Undying | Holds a torch | Blue Hair | Snowballs |
| Tommy | Redstone Dust | Splash Potion | Carries a shield | Brown Hair | Snowballs |
| DanTDM | Redstone Dust | Totem of Undying | Carries a shield | Brown Hair | Water Splash |
| George | Netherite Pick | Elytra Wings | Holds a torch | Brown Hair | Lava Bucket |
| Ranboo | Netherite Pick | Splash Potion | Holds a torch | Brown Hair | Snowballs |
| Hermit | Golden Apple | Elytra Wings | Holds a torch | Blue Hair | Water Splash |
| Steve | Ender Pearl | Elytra Wings | Holds a torch | Orange Hair | Snowballs |
| BadBoyHalo | Ender Pearl | Totem of Undying | Carries a shield | Brown Hair | Water Splash |
| Joel | Diamond Sword | Water Bucket | Holds a torch | Brown Hair | Snowballs |
| Hannah | Diamond Sword | Water Bucket | Holds a torch | Brown Hair | Water Splash |
Clue 1
Place value
You find a chest of emeralds left behind in the mineshaft. The number of emeralds has a seven in the tens place.
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
80
300
1000
7000
8000
5000
5000
600
8000
800
40
100
1000
900
800
100
T
80
4000
900
1000
600
6000
8000
9000
1000
400
100
9000
90
9000
100
200
90
1000
T
80
What is the value of the 8 in 4,587?T
What is the value of the 4 in 472?W
What is the value of the 1 in 1,436?E
What is the value of the 9 in 591?K
What is the value of the 9 in 9,827?R
What is the value of the 4 in 7,847?D
What is the value of the 8 in 4,895?N
What is the value of the 5 in 5,649?L
What is the value of the 6 in 36,545?F
What is the value of the 4 in 4,856?U
What is the value of the 3 in 311?H
What is the value of the 2 in 1,230?C
What is the value of the 8 in 8,977?I
What is the value of the 6 in 9,604?A
What is the value of the 9 in 5,942?S
What is the value of the 1 in 5,140?O
What is the value of the 7 in 7,500?V
0/17 letters found
Clue 2
Addition
To open the secret dungeon door, you must add the number of iron blocks to the number of gold blocks in the wall.
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
951
246
710
243
947
382
540
540
540
A
951
246
243
761
382
373
710
856
856
A
951
710
947
761
943
856
353
A
951
243
943
649
641
761
320 + 631 =A
94 + 152 =W
116 + 257 =V
109 + 134 =T
472 + 475 =N
583 + 273 =L
447 + 314 =H
350 + 291 =C
452 + 258 =I
175 + 207 =E
197 + 343 =S
109 + 244 =D
411 + 238 =R
578 + 365 =O
0/14 letters found
Clue 3
Rounding
The computer console shows a fuzzy map coordinate. You have to round the number of blocks to the nearest ten to find the path.
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
4000
400
9000
20
70
6000
6000
60
70
50
200
60
50
60
30
60
8000
3000
200
300
600
60
30
60
T
4000
9000
200
2000
900
6000
60
2000
400
Round 3,837 to the nearest thousandT
Round 237 to the nearest hundredR
Round 48 to the nearest tenN
Round 6,126 to the nearest thousandL
Round 30 to the nearest tenW
Round 941 to the nearest hundredP
Round 8,600 to the nearest thousandE
Round 2,473 to the nearest thousandS
Round 74 to the nearest tenI
Round 365 to the nearest hundredH
Round 57 to the nearest tenA
Round 8,008 to the nearest thousandY
Round 2,805 to the nearest thousandF
Round 612 to the nearest hundredM
Round 24 to the nearest tenV
Round 343 to the nearest hundredO
0/16 letters found
Clue 4
Subtraction
You find a locked chest. The code is the number of health points you have left after subtracting the zombie damage.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
Y
251
789
137
402
597
278
176
182
639
789
233
278
309
329
597
639
329
321
321
309
481
888
613
481
278
481
338 - 87 =Y
768 - 287 =E
584 - 182 =F
367 - 191 =D
742 - 145 =I
1071 - 282 =O
502 - 181 =T
657 - 379 =N
255 - 118 =U
205 - 23 =B
969 - 330 =R
589 - 280 =H
529 - 296 =W
1088 - 200 =S
683 - 354 =A
781 - 168 =C
0/16 letters found
Clue 5
Division facts (1-12) — the last clue
To share the redstone torches equally among the three minecarts, you must divide the total 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
32 ÷ 4 = ?
12 ÷ 4 = ?
45 ÷ 9 = ?
9 ÷ 9 = ?
7 ÷ 1 = ?
14 ÷ 7 = ?
72 ÷ 8 = ?
12 ÷ 3 = ?
30 ÷ 3 = ?
48 ÷ 4 = ?
11 ÷ 1 = ?
Step 2 — cross out the sentence with each answer
1.The villain eats a golden snack, then throws a dizzy potion.
2.The villain eats a golden snack, then escapes with rocket power.
3.The villain teleports into the village, then throws a dizzy potion.
4.The villain eats a golden snack, then flies away using wings.
5.The villain breaks through the obsidian wall, then pours water to escape.
6.The villain powers up the redstone door, then pours water to escape.
7.The villain teleports into the village, then survives a fall with a totem.
8.The villain teleports into the village, then flies away using wings.
9.The villain eats a golden snack, then survives a fall with a totem.
10.The villain digs up the chest room, then escapes with rocket power.
11.The villain breaks through the obsidian wall, then flies away using wings.
12.The villain digs up the chest room, then throws a dizzy potion.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Diamond Block Mystery
Culprit: Mumbo (Redstone Dust · Water Bucket · Holds a torch · Brown Hair · Water Splash)
- Clue 1 (Place value): "THE VILLAIN DOES NOT USE A FIREWORK ROCKET"What is the value of the 8 in 4,587? = 80 (T) · What is the value of the 4 in 472? = 400 (W) · What is the value of the 1 in 1,436? = 1000 (E) · What is the value of the 9 in 591? = 90 (K) · What is the value of the 9 in 9,827? = 9000 (R) · What is the value of the 4 in 7,847? = 40 (D) · What is the value of the 8 in 4,895? = 800 (N) · What is the value of the 5 in 5,649? = 5000 (L) · What is the value of the 6 in 36,545? = 6000 (F) · What is the value of the 4 in 4,856? = 4000 (U) · What is the value of the 3 in 311? = 300 (H) · What is the value of the 2 in 1,230? = 200 (C) · What is the value of the 8 in 8,977? = 8000 (I) · What is the value of the 6 in 9,604? = 600 (A) · What is the value of the 9 in 5,942? = 900 (S) · What is the value of the 1 in 5,140? = 100 (O) · What is the value of the 7 in 7,500? = 7000 (V)
- Clue 2 (Addition): "A WITNESS SAW THE VILLAIN HOLD A TORCH"320 + 631 = 951 (A) · 94 + 152 = 246 (W) · 116 + 257 = 373 (V) · 109 + 134 = 243 (T) · 472 + 475 = 947 (N) · 583 + 273 = 856 (L) · 447 + 314 = 761 (H) · 350 + 291 = 641 (C) · 452 + 258 = 710 (I) · 175 + 207 = 382 (E) · 197 + 343 = 540 (S) · 109 + 244 = 353 (D) · 411 + 238 = 649 (R) · 578 + 365 = 943 (O)
- Clue 3 (Rounding): "THE VILLAIN RAN AWAY FROM A WATER SPLASH"Round 3,837 to the nearest thousand = 4000 (T) · Round 237 to the nearest hundred = 200 (R) · Round 48 to the nearest ten = 50 (N) · Round 6,126 to the nearest thousand = 6000 (L) · Round 30 to the nearest ten = 30 (W) · Round 941 to the nearest hundred = 900 (P) · Round 8,600 to the nearest thousand = 9000 (E) · Round 2,473 to the nearest thousand = 2000 (S) · Round 74 to the nearest ten = 70 (I) · Round 365 to the nearest hundred = 400 (H) · Round 57 to the nearest ten = 60 (A) · Round 8,008 to the nearest thousand = 8000 (Y) · Round 2,805 to the nearest thousand = 3000 (F) · Round 612 to the nearest hundred = 600 (M) · Round 24 to the nearest ten = 20 (V) · Round 343 to the nearest hundred = 300 (O)
- Clue 4 (Subtraction): "YOU FIND BROWN HAIR AT THE SCENE"338 - 87 = 251 (Y) · 768 - 287 = 481 (E) · 584 - 182 = 402 (F) · 367 - 191 = 176 (D) · 742 - 145 = 597 (I) · 1071 - 282 = 789 (O) · 502 - 181 = 321 (T) · 657 - 379 = 278 (N) · 255 - 118 = 137 (U) · 205 - 23 = 182 (B) · 969 - 330 = 639 (R) · 589 - 280 = 309 (H) · 529 - 296 = 233 (W) · 1088 - 200 = 888 (S) · 683 - 354 = 329 (A) · 781 - 168 = 613 (C)
- Clue 5 (Division facts (1-12)): surviving statement (box 6) → Mumbo32 ÷ 4 = 8 · 12 ÷ 4 = 3 · 45 ÷ 9 = 5 · 9 ÷ 9 = 1 · 7 ÷ 1 = 7 · 14 ÷ 7 = 2 · 72 ÷ 8 = 9 · 12 ÷ 3 = 4 · 30 ÷ 3 = 10 · 48 ÷ 4 = 12 · 11 ÷ 1 = 11
About this mystery
- Grade level
- Grade 3 math
- Math topics
- Place value, Addition, Rounding, Subtraction, Division
- Reading level
- grades 3-4
- Theme
- The Diamond Block Mystery — set in a busy blocky village on a hill
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects