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.
Possible suspects
Cross off a row as each clue rules it out. On screen, tap a row.
| Name | Main Tool | Chest Loot | Grip Style | Helmet Type | Fear |
|---|---|---|---|---|---|
| Zoe | Golden Shovel | Slime Block | Left-handed | Turtle Shell | Lit TNT |
| Dan | Golden Shovel | Glowstone Dust | Left-handed | Iron Helmet | Tamed Wolf |
| Emma | Netherite Hoe | Slime Block | Left-handed | Iron Helmet | Lit TNT |
| Zack | Netherite Hoe | Redstone Dust | Left-handed | Iron Helmet | Lit TNT |
| Ruby | Golden Shovel | Glowstone Dust | Right-handed | Leather Cap | Splash Potion |
| Owen | Golden Shovel | Ender Pearl | Left-handed | Iron Helmet | Lit TNT |
| Nora | Golden Shovel | Ender Pearl | Right-handed | Leather Cap | Lit TNT |
| Squid | Wooden Sword | Redstone Dust | Right-handed | Turtle Shell | Tamed Wolf |
| Mia | Netherite Hoe | Glowstone Dust | Right-handed | Iron Helmet | Tamed Wolf |
| Eli | Golden Shovel | Glowstone Dust | Right-handed | Turtle Shell | Tamed Wolf |
| Corey | Iron Axe | Redstone Dust | Left-handed | Iron Helmet | Lit TNT |
| Jack | Diamond Pickaxe | Slime Block | Right-handed | Leather Cap | Tamed Wolf |
| Finn | Golden Shovel | Golden Apple | Left-handed | Leather Cap | Lit TNT |
| Leo | Golden Shovel | Redstone Dust | Right-handed | Turtle Shell | Lit TNT |
| Stampy | Diamond Pickaxe | Ender Pearl | Right-handed | Leather Cap | Splash Potion |
| Chloe | Netherite Hoe | Redstone Dust | Right-handed | Iron Helmet | Lit TNT |
| Liam | Netherite Hoe | Slime Block | Right-handed | Turtle Shell | Lit TNT |
| Lucas | Wooden Sword | Slime Block | Left-handed | Leather Cap | Lit TNT |
| Steve | Iron Axe | Golden Apple | Right-handed | Turtle Shell | Splash Potion |
| Sammy | Diamond Pickaxe | Slime Block | Left-handed | Iron Helmet | Lit TNT |
| Alex | Netherite Hoe | Redstone Dust | Left-handed | Iron Helmet | Splash Potion |
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.
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.
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.
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.
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!
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Missing Diamond Block
- Clue 1 (Subtraction): "THE VILLAIN DOES NOT CARRY AN ENDER PEARL"90 - 33 = 57 (T) · 71 - 40 = 31 (H) · 50 - 9 = 41 (A) · 68 - 13 = 55 (E) · 66 - 13 = 53 (R) · 109 - 31 = 78 (P) · 96 - 9 = 87 (C) · 35 - 24 = 11 (O) · 58 - 2 = 56 (S) · 97 - 15 = 82 (L) · 64 - 19 = 45 (V) · 29 - 6 = 23 (N) · 89 - 25 = 64 (Y) · 80 - 29 = 51 (D) · 86 - 13 = 73 (I)
- Clue 2 (Addition): "THE SNOOP WAS LEFT HANDED"14 + 12 = 26 (T) · 32 + 48 = 80 (W) · 17 + 18 = 35 (O) · 28 + 23 = 51 (E) · 26 + 17 = 43 (S) · 51 + 27 = 78 (D) · 42 + 31 = 73 (N) · 57 + 25 = 82 (P) · 46 + 24 = 70 (H) · 17 + 30 = 47 (L) · 28 + 38 = 66 (A) · 48 + 41 = 89 (F)
- Clue 3 (Place value): "THE SNOOP FAILED NEAR LIT TNT"What number has 5 tens and 2 ones? = 52 (T) · What number has 5 tens and 4 ones? = 54 (S) · What number has 9 tens and 1 one? = 91 (O) · What number has 1 ten and 1 one? = 11 (A) · What number has 4 tens and 6 ones? = 46 (H) · What number has 1 ten and 7 ones? = 17 (D) · What number has 3 tens and 4 ones? = 34 (R) · What number has 7 tens and 5 ones? = 75 (P) · What number has 8 tens and 2 ones? = 82 (E) · What number has 9 tens and 0 ones? = 90 (N) · What number has 3 tens and 3 ones? = 33 (L) · What number has 5 tens and 8 ones? = 58 (I) · What number has 4 tens and 9 ones? = 49 (F)
- Clue 4 (Skip counting): "THE GUILTY ONE DROPPED AN IRON HELMET"Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (T) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (L) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (H) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28 = 24 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, ___, 12, 14 = 10 (A) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (P) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (U) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (Y) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (R) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, ___, 24, 27 = 21 (G) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (D) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (I) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ___, 42, 45 = 39 (E) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (M)
- Clue 5 (Missing addends): surviving statement (box 2) → Zack6 + ___ = 16 = 10 · 8 + ___ = 15 = 7 · 4 + ___ = 12 = 8 · 2 + ___ = 11 = 9 · 5 + ___ = 11 = 6 · 10 + ___ = 14 = 4 · 8 + ___ = 19 = 11 · 8 + ___ = 13 = 5 · 6 + ___ = 7 = 1 · 3 + ___ = 6 = 3 · 5 + ___ = 17 = 12
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
