⛏️ MinecraftGrade 1Reading: grades 1-2AdditionSubtractionSkip countingPlace valueMissing addends
The Mystery of the Broken Diamond Castle
Oh no! A sneaky player has griefed the Server Host's giant diamond castle! They knocked down walls and stole the Golden Apple. We need to find the culprit!
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 | Favorite Tool | Spawned Pet | Active Hand | Helmet Type | Fear |
|---|---|---|---|---|---|
| Alex | Stone Hoe | Friendly Bee | Right Handed | Leather Cap | Deep Lava |
| Aphmau | Netherite Axe | Friendly Bee | Right Handed | Leather Cap | Water Buckets |
| Mumbo | Diamond Pickaxe | Green Creeper | Right Handed | Leather Cap | Water Buckets |
| Skeppy | Stone Hoe | Baby Zombie | Left Handed | Iron Helmet | Deep Lava |
| Jerome | Golden Shovel | Cute Ocelot | Right Handed | Leather Cap | Hissing Creepers |
| Sparklez | Diamond Pickaxe | Cute Ocelot | Right Handed | Leather Cap | Water Buckets |
| Tommy | Iron Sword | Green Creeper | Right Handed | Iron Helmet | Hissing Creepers |
| Wilbur | Netherite Axe | Cute Ocelot | Right Handed | Leather Cap | Water Buckets |
| BadBoy | Iron Sword | Friendly Bee | Right Handed | Iron Helmet | Deep Lava |
| George | Stone Hoe | Green Creeper | Right Handed | Iron Helmet | Hissing Creepers |
| Steve | Stone Hoe | Baby Zombie | Left Handed | Leather Cap | Water Buckets |
| AntVenom | Golden Shovel | Baby Zombie | Right Handed | Leather Cap | Water Buckets |
| Preston | Stone Hoe | Tamed Wolf | Right Handed | Gold Crown | Deep Lava |
| Tubbo | Golden Shovel | Friendly Bee | Left Handed | Gold Crown | Water Buckets |
| Techno | Iron Sword | Tamed Wolf | Left Handed | Iron Helmet | Deep Lava |
| Ssundee | Netherite Axe | Baby Zombie | Left Handed | Leather Cap | Hissing Creepers |
| Dream | Stone Hoe | Tamed Wolf | Left Handed | Leather Cap | Water Buckets |
| Stampy | Iron Sword | Cute Ocelot | Right Handed | Gold Crown | Water Buckets |
| Bajan | Netherite Axe | Baby Zombie | Right Handed | Gold Crown | Water Buckets |
| Unspeak | Golden Shovel | Friendly Bee | Right Handed | Gold Crown | Hissing Creepers |
| LDShadow | Diamond Pickaxe | Baby Zombie | Left Handed | Leather Cap | Hissing Creepers |
Clue 1
Addition
We found some redstone dust on the ground. Let us add the red piles and blue piles to find the first 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.
T
8
10
6
3
14
4
12
4
T
8
10
13
20
6
13
11
18
6
6
12
2
18
6
6
17
6
18
17
6
T
8
4 + 4 =T
8 + 10 =R
2 + 2 =O
10 + 7 =P
2 + 1 =Y
5 + 5 =H
5 + 1 =E
9 + 3 =N
7 + 6 =A
13 + 7 =V
1 + 1 =C
5 + 9 =D
6 + 5 =G
0/13 letters found
Clue 2
Subtraction
The villain broke some glass blocks in the castle. Subtract the broken blocks from the total to get the next 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.
T
18
10
5
19
9
2
4
3
11
5
6
9
2
4
12
17
12
1
T
18
10
T
18
10
5
1
15
15
1
8
10
T
18
10
7
16
6
19 - 1 =T
12 - 3 =B
14 - 2 =W
12 - 7 =E
13 - 6 =A
12 - 4 =G
8 - 2 =D
5 - 3 =L
9 - 6 =C
12 - 8 =O
17 - 2 =R
2 - 1 =I
19 - 3 =N
19 - 2 =S
20 - 1 =Y
14 - 3 =K
11 - 1 =H
0/17 letters found
Clue 3
Skip counting
Look at these torch paths! If we skip count the torches by twos, we will find where the villain went.
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
20
22
9
16
80
6
60
6
130
6
16
130
22
9
60
6
130
6
T
20
9
80
33
28
30
15
9
T
20
12
65
36
27
27
9
90
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24T
Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25K
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33L
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39B
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110D
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42I
Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15E
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26H
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32U
Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20Y
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16S
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75P
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150W
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80N
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100R
Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50C
0/17 letters found
Clue 4
Place value
There is a chest of cobblestone. Count the big stacks of ten and single blocks to reveal the next hint.
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
96
61
38
80
16
16
25
52
27
65
36
74
16
80
A
96
82
59
80
27
98
A
96
55
36
A
96
61
99
65
22
74
37
What number has 9 tens and 6 ones?A
What number has 9 tens and 8 ones?C
What number has 1 ten and 6 ones?L
What number has 9 tens and 9 ones?F
What number has 2 tens and 7 ones?R
What number has 6 tens and 1 one?S
What number has 5 tens and 5 ones?P
What number has 5 tens and 2 ones?B
What number has 8 tens and 0 ones?E
What number has 2 tens and 2 ones?U
What number has 5 tens and 9 ones?H
What number has 6 tens and 5 ones?O
What number has 3 tens and 7 ones?D
What number has 2 tens and 5 ones?Y
What number has 3 tens and 8 ones?M
What number has 7 tens and 4 ones?N
What number has 8 tens and 2 ones?T
What number has 3 tens and 6 ones?W
0/18 letters found
Clue 5
Missing addends — the last clue
To open this secret door, we need some more iron bars. How many more do we need to make ten? Find that number for the last 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!
Step 1 — solve these
6 + ___ = 11
6 + ___ = 18
5 + ___ = 7
4 + ___ = 7
8 + ___ = 9
1 + ___ = 9
1 + ___ = 11
2 + ___ = 13
8 + ___ = 17
8 + ___ = 12
8 + ___ = 15
Step 2 — cross out the sentence with each answer
1.The villain slashed an iron sword, then fed a cute ocelot.
2.The villain chopped with a netherite axe, then fed a cute ocelot.
3.The villain slashed an iron sword, then ran past a green creeper.
4.The villain slashed an iron sword, then buzzed with a friendly bee.
5.The villain swung a shiny diamond pickaxe, then fed a cute ocelot.
6.The villain chopped with a netherite axe, then buzzed with a friendly bee.
7.The villain swung a shiny diamond pickaxe, then ran past a green creeper.
8.The villain scraped a stone hoe, then summoned a baby zombie.
9.The villain swung a shiny diamond pickaxe, then called a tamed wolf.
10.The villain chopped with a netherite axe, then called a tamed wolf.
11.The villain scraped a stone hoe, then fed a cute ocelot.
12.The villain dug with a golden shovel, then summoned a baby zombie.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Broken Diamond Castle
Culprit: Aphmau (Netherite Axe · Friendly Bee · Right Handed · Leather Cap · Water Buckets)
- Clue 1 (Addition): "THEY DO NOT HAVE A GREEN CREEPER PET"4 + 4 = 8 (T) · 8 + 10 = 18 (R) · 2 + 2 = 4 (O) · 10 + 7 = 17 (P) · 2 + 1 = 3 (Y) · 5 + 5 = 10 (H) · 5 + 1 = 6 (E) · 9 + 3 = 12 (N) · 7 + 6 = 13 (A) · 13 + 7 = 20 (V) · 1 + 1 = 2 (C) · 5 + 9 = 14 (D) · 6 + 5 = 11 (G)
- Clue 2 (Subtraction): "THEY BLOCKED BLOWS WITH THEIR RIGHT HAND"19 - 1 = 18 (T) · 12 - 3 = 9 (B) · 14 - 2 = 12 (W) · 12 - 7 = 5 (E) · 13 - 6 = 7 (A) · 12 - 4 = 8 (G) · 8 - 2 = 6 (D) · 5 - 3 = 2 (L) · 9 - 6 = 3 (C) · 12 - 8 = 4 (O) · 17 - 2 = 15 (R) · 2 - 1 = 1 (I) · 19 - 3 = 16 (N) · 19 - 2 = 17 (S) · 20 - 1 = 19 (Y) · 14 - 3 = 11 (K) · 11 - 1 = 10 (H)
- Clue 3 (Skip counting): "THEY RAN AWAY WHEN A WATER BUCKET SPILLED"Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24 = 20 (T) · Skip-count by 5s. Fill the blank: 5, 10, ___, 20, 25 = 15 (K) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, ___, 30, 33 = 27 (L) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ___, 36, 39 = 33 (B) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, ___, 100, 110 = 90 (D) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, ___, 39, 42 = 36 (I) · Skip-count by 3s. Fill the blank: 3, 6, ___, 12, 15 = 9 (E) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (H) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (U) · Skip-count by 2s. Fill the blank: 2, 4, ___, 8, 10 = 6 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, ___, 18, 20 = 16 (Y) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, ___, 14, 16 = 12 (S) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ___, 70, 75 = 65 (P) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, ___, 140, 150 = 130 (W) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, ___, 70, 80 = 60 (N) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, ___, 90, 100 = 80 (R) · Skip-count by 10s. Fill the blank: 10, 20, ___, 40, 50 = 30 (C)
- Clue 4 (Place value): "A SMELLY BROWN LEATHER CAP WAS FOUND"What number has 9 tens and 6 ones? = 96 (A) · What number has 9 tens and 8 ones? = 98 (C) · What number has 1 ten and 6 ones? = 16 (L) · What number has 9 tens and 9 ones? = 99 (F) · What number has 2 tens and 7 ones? = 27 (R) · What number has 6 tens and 1 one? = 61 (S) · What number has 5 tens and 5 ones? = 55 (P) · What number has 5 tens and 2 ones? = 52 (B) · What number has 8 tens and 0 ones? = 80 (E) · What number has 2 tens and 2 ones? = 22 (U) · What number has 5 tens and 9 ones? = 59 (H) · What number has 6 tens and 5 ones? = 65 (O) · What number has 3 tens and 7 ones? = 37 (D) · What number has 2 tens and 5 ones? = 25 (Y) · What number has 3 tens and 8 ones? = 38 (M) · What number has 7 tens and 4 ones? = 74 (N) · What number has 8 tens and 2 ones? = 82 (T) · What number has 3 tens and 6 ones? = 36 (W)
- Clue 5 (Missing addends): surviving statement (box 6) → Aphmau6 + ___ = 11 = 5 · 6 + ___ = 18 = 12 · 5 + ___ = 7 = 2 · 4 + ___ = 7 = 3 · 8 + ___ = 9 = 1 · 1 + ___ = 9 = 8 · 1 + ___ = 11 = 10 · 2 + ___ = 13 = 11 · 8 + ___ = 17 = 9 · 8 + ___ = 12 = 4 · 8 + ___ = 15 = 7
About this mystery
- Grade level
- Grade 1 math
- Math topics
- Addition, Subtraction, Skip counting, Place value, Missing addends
- Reading level
- grades 1-2
- Theme
- The Mystery of the Broken Diamond Castle — set in the Blocky Hills Server
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects