⛏️ MinecraftGrade 1Reading: grades 1-2AdditionSubtractionMultiplicationSkip countingDivision
The Case of the Missing Diamond Vault
Someone snuck into the Blocky Mountain Base and emptied the Master Builder diamond chest! Use your math clues to track down 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
| Name | Main Ability | Bonus Gear | Dominant Hand | Helmet Type | Item Weakness |
|---|---|---|---|---|---|
| Sora Flint | Ender Teleport | Speed Potion | Right Handed | Diamond Helmet | Sweet Berry |
| Jax Phantom | Anvil Drop | Feather Fall | Left Handed | Diamond Helmet | Sweet Berry |
| Finn Cobble | Ender Teleport | Speed Potion | Left Handed | Iron Helmet | Cold Milk |
| Zoe Ender | Redstone Blast | Shield Block | Right Handed | Diamond Helmet | Water Bucket |
| Max Redstone | Lava Dash | Feather Fall | Right Handed | Iron Helmet | Water Bucket |
| Kai Arrow | Lava Dash | Feather Fall | Left Handed | Diamond Helmet | Cold Milk |
| Ben Creeper | Redstone Blast | Shield Block | Right Handed | Diamond Helmet | Cold Milk |
| Ava Golem | Lava Dash | Shield Block | Left Handed | Green Helmet | Cold Milk |
| Steve Block | Ender Teleport | Glow Dust | Left Handed | Diamond Helmet | Cold Milk |
| Toby Torch | Redstone Blast | Feather Fall | Left Handed | Iron Helmet | Sweet Berry |
| Lily Sprout | TNT Spark | Slime Bounce | Right Handed | Iron Helmet | Water Bucket |
| Mia Obsidian | Ender Teleport | Slime Bounce | Left Handed | Green Helmet | Sweet Berry |
| Maya Beacon | Redstone Blast | Glow Dust | Left Handed | Diamond Helmet | Water Bucket |
| Owen Hopper | Ender Teleport | Slime Bounce | Left Handed | Iron Helmet | Cold Milk |
| Eli Glider | TNT Spark | Shield Block | Left Handed | Diamond Helmet | Cold Milk |
| Ruby Quartz | Anvil Drop | Speed Potion | Right Handed | Iron Helmet | Water Bucket |
| Sam Miner | Anvil Drop | Feather Fall | Left Handed | Iron Helmet | Cold Milk |
| Ella Emerald | TNT Spark | Shield Block | Right Handed | Green Helmet | Sweet Berry |
| Nico Lapis | Ender Teleport | Feather Fall | Right Handed | Iron Helmet | Sweet Berry |
| Alex Craft | Lava Dash | Glow Dust | Left Handed | Diamond Helmet | Cold Milk |
| Noah Nether | Lava Dash | Slime Bounce | Left Handed | Diamond Helmet | Cold Milk |
Clue 1
Addition
You add up all the lost torches on the cave floor to find Clue 1.
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
10
5
14
19
9
7
7
17
9
3
20
8
14
16
3
8
T
10
13
16
14
11
14
17
T
10
5
14
4
11
17
7
7
5 + 5 =T
8 + 3 =F
2 + 2 =R
8 + 6 =E
12 + 4 =S
11 + 9 =D
9 + 10 =V
1 + 2 =N
5 + 12 =A
4 + 3 =L
6 + 3 =I
9 + 4 =U
3 + 5 =O
1 + 4 =H
0/14 letters found
Clue 2
Subtraction
You take away the broken blocks from the pile to reveal Clue 2.
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
18
10
16
14
3
6
6
5
3
13
10
16
6
2
T
18
10
16
17
3
19
4
5
8
16
3
13
T
18
10
16
6
16
9
T
18
10
5
13
2
20 - 2 =T
12 - 9 =I
7 - 1 =L
11 - 6 =A
19 - 6 =N
18 - 2 =E
20 - 3 =P
13 - 3 =H
20 - 1 =C
17 - 3 =V
13 - 5 =X
10 - 8 =D
12 - 3 =F
13 - 9 =K
0/14 letters found
Clue 3
Multiplication facts (1-12)
You count rows of shiny emerald blocks in the chest for Clue 3.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
S
5
3
81
100
14
3
72
63
81
25
72
32
77
70
S
5
20
S
5
100
63
42
3
S
5
42
3
99
42
36
100
54
25
72
72
70
25
110
5 × 1 =S
6 × 12 =L
6 × 7 =T
9 × 11 =P
10 × 10 =E
9 × 9 =M
7 × 10 =A
5 × 5 =I
10 × 11 =N
9 × 6 =V
5 × 4 =U
3 × 1 =O
11 × 7 =W
7 × 9 =D
8 × 4 =K
2 × 7 =C
6 × 6 =H
0/17 letters found
Clue 4
Skip counting
You skip count the redstone trail by twos to reach Clue 4.
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
9
25
120
27
12
20
36
A
9
33
50
100
20
26
12
120
33
12
14
35
A
9
8
8
12
12
100
50
100
14
26
12
55
36
120
120
A
9
36
100
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18T
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30H
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12S
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33U
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65V
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70O
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140L
Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30D
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35B
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16E
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120N
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39M
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45W
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42I
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
You split the golden apples into equal groups to unlock Clue 5.
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
66 ÷ 11 = ?
15 ÷ 5 = ?
70 ÷ 10 = ?
30 ÷ 3 = ?
64 ÷ 8 = ?
5 ÷ 1 = ?
6 ÷ 6 = ?
14 ÷ 7 = ?
24 ÷ 2 = ?
88 ÷ 8 = ?
81 ÷ 9 = ?
Step 2 — cross out the sentence with each answer
1.The villain fired a redstone blast, then raised a shield block.
2.The villain used ender teleport to warp, then used a slime bounce.
3.The villain made a fast lava dash, then scattered glow dust.
4.The villain lit a loud tnt spark, then raised a shield block.
5.The villain made a fast lava dash, then drank a speed potion.
6.The villain used ender teleport to warp, then scattered glow dust.
7.The villain made a fast lava dash, then used a slime bounce.
8.The villain fired a redstone blast, then scattered glow dust.
9.The villain caused a heavy anvil drop, then used a slime bounce.
10.The villain lit a loud tnt spark, then used a slime bounce.
11.The villain fired a redstone blast, then activated feather fall.
12.The villain used ender teleport to warp, then drank a speed potion.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Case of the Missing Diamond Vault
Culprit: Eli Glider (TNT Spark · Shield Block · Left Handed · Diamond Helmet · Cold Milk)
- Clue 1 (Addition): "THE VILLAIN DOES NOT USE FEATHER FALL"5 + 5 = 10 (T) · 8 + 3 = 11 (F) · 2 + 2 = 4 (R) · 8 + 6 = 14 (E) · 12 + 4 = 16 (S) · 11 + 9 = 20 (D) · 9 + 10 = 19 (V) · 1 + 2 = 3 (N) · 5 + 12 = 17 (A) · 4 + 3 = 7 (L) · 6 + 3 = 9 (I) · 9 + 4 = 13 (U) · 3 + 5 = 8 (O) · 1 + 4 = 5 (H)
- Clue 2 (Subtraction): "THE VILLAIN HELD THE PICKAXE IN THE LEFT HAND"20 - 2 = 18 (T) · 12 - 9 = 3 (I) · 7 - 1 = 6 (L) · 11 - 6 = 5 (A) · 19 - 6 = 13 (N) · 18 - 2 = 16 (E) · 20 - 3 = 17 (P) · 13 - 3 = 10 (H) · 20 - 1 = 19 (C) · 17 - 3 = 14 (V) · 13 - 5 = 8 (X) · 10 - 8 = 2 (D) · 12 - 3 = 9 (F) · 13 - 9 = 4 (K)
- Clue 3 (Multiplication facts (1-12)): "SOME COLD MILK WAS USED TO STOP THE VILLAIN"5 × 1 = 5 (S) · 6 × 12 = 72 (L) · 6 × 7 = 42 (T) · 9 × 11 = 99 (P) · 10 × 10 = 100 (E) · 9 × 9 = 81 (M) · 7 × 10 = 70 (A) · 5 × 5 = 25 (I) · 10 × 11 = 110 (N) · 9 × 6 = 54 (V) · 5 × 4 = 20 (U) · 3 × 1 = 3 (O) · 11 × 7 = 77 (W) · 7 × 9 = 63 (D) · 8 × 4 = 32 (K) · 2 × 7 = 14 (C) · 6 × 6 = 36 (H)
- Clue 4 (Skip counting): "A BLUE DIAMOND HELMET WAS SEEN ON THE VILLAIN"Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (T) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, ___, 28, 30 = 26 (H) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (S) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (U) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (V) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, ___, 60, 70 = 50 (O) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (L) · Skip-count by 5s. Fill the blank: 5, 10, 15, ___, 25, 30 = 20 (D) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, ___, 30, 35 = 25 (B) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (E) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (N) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (M) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, ___, 40, 45 = 35 (W) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (I)
- Clue 5 (Division facts (1-12)): surviving statement (box 4) → Eli Glider66 ÷ 11 = 6 · 15 ÷ 5 = 3 · 70 ÷ 10 = 7 · 30 ÷ 3 = 10 · 64 ÷ 8 = 8 · 5 ÷ 1 = 5 · 6 ÷ 6 = 1 · 14 ÷ 7 = 2 · 24 ÷ 2 = 12 · 88 ÷ 8 = 11 · 81 ÷ 9 = 9
About this mystery
- Grade level
- Grade 1 math
- Math topics
- Addition, Subtraction, Multiplication, Skip counting, Division
- Reading level
- grades 1-2
- Theme
- The Case of the Missing Diamond Vault — set in Blocky Mountain Base
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects