⛏️ MinecraftGrade 2Reading: grades 3-4Place valueAdditionSubtractionSkip countingMissing addends
The Mystery of the Broken Beacon
Someone snuck into the Obsidian Outpost and stole the grand power beacon! The Server Admin needs your help to examine the evidence and catch the culprit before the whole world resets.
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 | Special Gear | Dominant Hand | Headwear | Counter Item |
|---|---|---|---|---|---|
| GamerGabe | Ender Pearl | Elytra Wings | Left Handed | Green Helmet | Water Bucket |
| Aphmau | Firework Rocket | Flame Bow | Right Handed | Purple Hood | Splash Potion |
| VoxelVal | Redstone Torch | Turtle Helmet | Left Handed | Green Helmet | Splash Potion |
| LDShadowLady | Golden Apple | Elytra Wings | Right Handed | Green Helmet | Splash Potion |
| PixelSam | Ender Pearl | Elytra Wings | Right Handed | Green Helmet | Water Bucket |
| CaptainSparklez | Diamond Pickaxe | Elytra Wings | Right Handed | Green Helmet | Lava Bucket |
| CobbleCory | Redstone Torch | Flame Bow | Left Handed | Green Helmet | Splash Potion |
| CraftyChloe | Golden Apple | Elytra Wings | Left Handed | Green Helmet | Splash Potion |
| MinerMax | Diamond Pickaxe | Flame Bow | Right Handed | Green Helmet | Lava Bucket |
| CreeperChris | Firework Rocket | Turtle Helmet | Right Handed | Purple Hood | Water Bucket |
| Stampy | Redstone Torch | Elytra Wings | Right Handed | Green Helmet | Water Bucket |
| DanTDM | Firework Rocket | Elytra Wings | Left Handed | Green Helmet | Water Bucket |
| BlockyBob | Redstone Torch | Elytra Wings | Left Handed | Purple Hood | Splash Potion |
| DiamondDave | Ender Pearl | Totem Of Undying | Right Handed | Purple Hood | Water Bucket |
| Hermit | Diamond Pickaxe | Totem Of Undying | Right Handed | Green Helmet | Water Bucket |
| BuilderBen | Firework Rocket | Elytra Wings | Left Handed | Purple Hood | Water Bucket |
| RedstoneRita | Firework Rocket | Depth Strider | Right Handed | Green Helmet | Water Bucket |
| Sparky | Golden Apple | Elytra Wings | Left Handed | Purple Hood | Lava Bucket |
| Steve | Golden Apple | Totem Of Undying | Left Handed | Purple Hood | Lava Bucket |
| EnderEmma | Firework Rocket | Elytra Wings | Right Handed | Green Helmet | Water Bucket |
| Alex | Golden Apple | Flame Bow | Right Handed | Purple Hood | Water Bucket |
Clue 1
Place value
The server chat screen showed numbers broken down into tens and ones places to reveal the first secret log.
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
65
28
67
13
29
13
64
67
77
T
65
48
41
67
13
98
41
T
65
28
94
44
67
T
65
41
T
65
67
17
41
74
29
98
48
89
73
98
70
What number has 6 tens and 5 ones?T
What number has 2 tens and 8 ones?H
What number has 9 tens and 4 ones?A
What number has 6 tens and 7 ones?E
What number has 4 tens and 4 ones?V
What number has 1 ten and 7 ones?M
What number has 2 tens and 9 ones?U
What number has 7 tens and 7 ones?C
What number has 7 tens and 3 ones?I
What number has 8 tens and 9 ones?Y
What number has 6 tens and 4 ones?P
What number has 4 tens and 1 one?O
What number has 1 ten and 3 ones?S
What number has 4 tens and 8 ones?D
What number has 9 tens and 8 ones?N
What number has 7 tens and 0 ones?G
What number has 7 tens and 4 ones?F
0/17 letters found
Clue 2
Addition
We counted up the extra blocks left near the build site to see how many were placed in all.
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
23
26
33
89
90
71
71
44
90
94
26
33
71
63
T
23
26
33
97
44
36
67
90
T
23
26
T
23
26
33
90
51
51
90
83
26
T
23
26
44
94
63
14 + 9 =T
51 + 32 =G
17 + 34 =R
23 + 48 =L
37 + 30 =W
9 + 17 =H
50 + 40 =I
21 + 23 =A
26 + 63 =V
34 + 63 =M
15 + 18 =E
35 + 28 =D
56 + 38 =N
15 + 21 =P
0/14 letters found
Clue 3
Subtraction
The griefed chest was missing items so we subtracted what was stolen from the total.
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
23
47
65
36
60
15
15
14
60
38
74
14
64
64
T
23
54
56
56
65
51
11
72
14
74
14
T
23
65
67
11
63
16
78
65
T
23
50 - 27 =T
95 - 39 =P
79 - 14 =E
88 - 34 =O
104 - 30 =W
33 - 17 =C
114 - 36 =K
35 - 21 =A
69 - 33 =V
59 - 21 =N
92 - 20 =Y
51 - 36 =L
80 - 29 =D
55 - 8 =H
71 - 8 =U
80 - 13 =R
50 - 39 =B
99 - 39 =I
79 - 15 =S
0/19 letters found
Clue 4
Skip counting
The footprints stepped across the grass blocks in steady equal leaps that we could skip count.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
E
22
120
70
15
E
22
140
100
E
22
28
18
45
14
28
110
24
80
E
22
E
22
140
18
E
22
55
20
E
22
8
110
8
8
18
E
22
28
100
E
22
140
E
22
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26E
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28G
Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12T
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120C
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130A
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22H
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55O
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32S
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18W
Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21D
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160N
Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65L
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, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140V
Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24M
Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90I
0/16 letters found
Clue 5
Missing addends — the last clue
To unlock the hidden vault door we had to figure out the missing number needed to reach the target sum.
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
2 + ___ = 7
10 + ___ = 19
8 + ___ = 10
5 + ___ = 13
8 + ___ = 11
3 + ___ = 15
1 + ___ = 7
6 + ___ = 16
1 + ___ = 5
2 + ___ = 9
7 + ___ = 8
Step 2 — cross out the sentence with each answer
1.The villain threw an ender pearl, then shot a fiery arrow from a flame bow.
2.The villain launched a firework rocket, then dashed fast with depth strider.
3.The villain threw an ender pearl, then dashed fast with depth strider.
4.The villain threw an ender pearl, then put on a turtle helmet.
5.The villain threw an ender pearl, then glided off with elytra wings.
6.The villain swung a diamond pickaxe, then glided off with elytra wings.
7.The villain launched a firework rocket, then shot a fiery arrow from a flame bow.
8.The villain swung a diamond pickaxe, then put on a turtle helmet.
9.The villain launched a firework rocket, then glided off with elytra wings.
10.The villain placed a redstone torch, then put on a turtle helmet.
11.The villain placed a redstone torch, then glided off with elytra wings.
12.The villain ate a golden apple, then shot a fiery arrow from a flame bow.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Broken Beacon
Culprit: Stampy (Redstone Torch · Elytra Wings · Right Handed · Green Helmet · Water Bucket)
- Clue 1 (Place value): "THE SUSPECT DOES NOT HAVE TOTEM OF UNDYING"What number has 6 tens and 5 ones? = 65 (T) · What number has 2 tens and 8 ones? = 28 (H) · What number has 9 tens and 4 ones? = 94 (A) · What number has 6 tens and 7 ones? = 67 (E) · What number has 4 tens and 4 ones? = 44 (V) · What number has 1 ten and 7 ones? = 17 (M) · What number has 2 tens and 9 ones? = 29 (U) · What number has 7 tens and 7 ones? = 77 (C) · What number has 7 tens and 3 ones? = 73 (I) · What number has 8 tens and 9 ones? = 89 (Y) · What number has 6 tens and 4 ones? = 64 (P) · What number has 4 tens and 1 one? = 41 (O) · What number has 1 ten and 3 ones? = 13 (S) · What number has 4 tens and 8 ones? = 48 (D) · What number has 9 tens and 8 ones? = 98 (N) · What number has 7 tens and 0 ones? = 70 (G) · What number has 7 tens and 4 ones? = 74 (F)
- Clue 2 (Addition): "THE VILLAIN HELD THE MAP WITH THEIR RIGHT HAND"14 + 9 = 23 (T) · 51 + 32 = 83 (G) · 17 + 34 = 51 (R) · 23 + 48 = 71 (L) · 37 + 30 = 67 (W) · 9 + 17 = 26 (H) · 50 + 40 = 90 (I) · 21 + 23 = 44 (A) · 26 + 63 = 89 (V) · 34 + 63 = 97 (M) · 15 + 18 = 33 (E) · 35 + 28 = 63 (D) · 56 + 38 = 94 (N) · 15 + 21 = 36 (P)
- Clue 3 (Subtraction): "THE VILLAIN WAS STOPPED BY A WATER BUCKET"50 - 27 = 23 (T) · 95 - 39 = 56 (P) · 79 - 14 = 65 (E) · 88 - 34 = 54 (O) · 104 - 30 = 74 (W) · 33 - 17 = 16 (C) · 114 - 36 = 78 (K) · 35 - 21 = 14 (A) · 69 - 33 = 36 (V) · 59 - 21 = 38 (N) · 92 - 20 = 72 (Y) · 51 - 36 = 15 (L) · 80 - 29 = 51 (D) · 55 - 8 = 47 (H) · 71 - 8 = 63 (U) · 80 - 13 = 67 (R) · 50 - 39 = 11 (B) · 99 - 39 = 60 (I) · 79 - 15 = 64 (S)
- Clue 4 (Skip counting): "EVIDENCE SHOWS A GREEN HELMET AT THE SCENE"Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ___, 24, 26 = 22 (E) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, ___, 26, 28 = 24 (G) · Skip-count by 2s. Fill the blank: 2, 4, 6, ___, 10, 12 = 8 (T) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, ___, 110, 120 = 100 (C) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ___, 120, 130 = 110 (A) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, ___, 20, 22 = 18 (H) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, ___, 50, 55 = 45 (O) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, ___, 30, 32 = 28 (S) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, ___, 16, 18 = 14 (W) · Skip-count by 3s. Fill the blank: 3, 6, 9, 12, ___, 18, 21 = 15 (D) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, ___, 150, 160 = 140 (N) · Skip-count by 5s. Fill the blank: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ___, 60, 65 = 55 (L) · 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, 30, 40, 50, 60, 70, 80, 90, 100, 110, ___, 130, 140 = 120 (V) · Skip-count by 2s. Fill the blank: 2, 4, 6, 8, 10, 12, 14, 16, 18, ___, 22, 24 = 20 (M) · Skip-count by 10s. Fill the blank: 10, 20, 30, 40, 50, 60, ___, 80, 90 = 70 (I)
- Clue 5 (Missing addends): surviving statement (box 11) → Stampy2 + ___ = 7 = 5 · 10 + ___ = 19 = 9 · 8 + ___ = 10 = 2 · 5 + ___ = 13 = 8 · 8 + ___ = 11 = 3 · 3 + ___ = 15 = 12 · 1 + ___ = 7 = 6 · 6 + ___ = 16 = 10 · 1 + ___ = 5 = 4 · 2 + ___ = 9 = 7 · 7 + ___ = 8 = 1
About this mystery
- Grade level
- Grade 2 math
- Math topics
- Place value, Addition, Subtraction, Skip counting, Missing addends
- Reading level
- grades 3-4
- Theme
- The Mystery of the Broken Beacon — set in The Obsidian Outpost on the Craft SMP Server
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects