🚀 Space, MinecraftGrade 4Reading: grades 3-4RoundingAdditionSubtractionMultiplicationDivision
The Mystery of the Moon Block Heist
A sneaky intruder broke into Orbit Block Station Alpha and snatched the ultra-rare Glowstone Core! The Head Astro-Miner needs your detective skills to analyze the space station logs, gather clues, and catch the thief before they hop on a rocket ship.
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 | Mining Tool | Space Gear | Glove Hand | Cosmic Hair | Space Weakness |
|---|---|---|---|---|---|
| Commander Mae | gravity boots | cosmic visor | wears a right glove | short dark blue hair | afraid of splash potions |
| Dr Nora | redstone blaster | warp helmet | wears a right glove | short dark blue hair | startled by creeper hiss |
| Captain Kip | laser pickaxe | meteor compass | wears a left glove | spiky neon green hair | afraid of splash potions |
| Officer Mina | gravity boots | starlight shield | wears a right glove | braided silver hair | startled by creeper hiss |
| Pilot Valentina | gravity boots | cosmic visor | wears a left glove | short dark blue hair | allergic to space dust |
| Agent Rex | gravity boots | warp helmet | wears a left glove | braided silver hair | allergic to space dust |
| Cadet Buzz | laser pickaxe | starlight shield | wears a right glove | braided silver hair | afraid of splash potions |
| Miner Steve | plasma drill | cosmic visor | wears a left glove | short dark blue hair | startled by creeper hiss |
| Miner Axel | laser pickaxe | cosmic visor | wears a right glove | braided silver hair | allergic to space dust |
| Cadet Nova | redstone blaster | cosmic visor | wears a right glove | spiky neon green hair | afraid of splash potions |
| Tech Jade | plasma drill | cosmic visor | wears a right glove | braided silver hair | allergic to space dust |
| Agent Zoe | laser pickaxe | starlight shield | wears a left glove | short dark blue hair | afraid of splash potions |
| Officer Neil | jetpack booster | starlight shield | wears a left glove | short dark blue hair | afraid of splash potions |
| Dr Sally | plasma drill | starlight shield | wears a right glove | braided silver hair | allergic to space dust |
| Ranger Kai | jetpack booster | cosmic visor | wears a right glove | spiky neon green hair | startled by creeper hiss |
| Cadet Pip | plasma drill | warp helmet | wears a right glove | spiky neon green hair | startled by creeper hiss |
| Captain Alan | plasma drill | cosmic visor | wears a right glove | short dark blue hair | allergic to space dust |
| Pilot Dax | jetpack booster | cosmic visor | wears a right glove | short dark blue hair | afraid of splash potions |
| Pilot Yuri | jetpack booster | cosmic visor | wears a right glove | braided silver hair | allergic to space dust |
| Astronaut Alex | redstone blaster | warp helmet | wears a left glove | braided silver hair | startled by creeper hiss |
| Tech Leo | jetpack booster | ender magnet | wears a right glove | braided silver hair | allergic to space dust |
Clue 1
Rounding
The airlock sensor rounded the total gear mass to the nearest hundred.
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
370
1100
4300
3000
2000
170
170
1300
2000
90
2300
300
4300
20
90
300
T
370
430
20
4300
1300
90
4300
90
2300
4300
9000
30
1300
5000
90
4300
T
370
Round 368 to the nearest tenT
Round 2,345 to the nearest thousandI
Round 30 to the nearest tenM
Round 306 to the nearest hundredO
Round 4,342 to the nearest hundredE
Round 3,334 to the nearest thousandV
Round 17 to the nearest tenS
Round 90 to the nearest tenN
Round 430 to the nearest tenU
Round 169 to the nearest tenL
Round 8,561 to the nearest thousandR
Round 1,290 to the nearest hundredA
Round 4,540 to the nearest thousandG
Round 1,051 to the nearest hundredH
Round 2,333 to the nearest hundredD
0/15 letters found
Clue 2
Addition
Astronaut Leo added up the glowing energy blocks scattered across the floor.
Solve each problem to learn its letter. Then write that letter in every box that shows the same number, and read the secret clue.
W
6602
5502
9544
6802
6222
6807
6807
6807
8127
W
6602
8127
4632
5502
2439
4028
9544
2439
6366
9557
4728
6222
6802
6222
8127
4632
9544
4028
6222
6807
W
6602
5502
9544
7233
4028
2168 + 4434 =W
3775 + 3032 =S
4379 + 3748 =A
1937 + 2791 =V
1278 + 1161 =G
3228 + 6329 =O
1930 + 2098 =H
2746 + 3476 =E
4586 + 4958 =T
2946 + 3420 =L
2970 + 1662 =R
3735 + 3067 =N
2463 + 3039 =I
3187 + 4046 =C
0/14 letters found
Clue 3
Subtraction
Commander Nova subtracted the cracked oxygen tanks from the station supply.
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
3070
6240
8386
6240
8386
5770
6167
1811
1708
8386
6954
7367
3494
4863
4017
8386
6265
7445
7367
T
3070
T
3070
6167
7367
T
3070
6167
3494
T
3070
6240
8386
3960
6910 - 3840 =T
8149 - 1195 =W
9723 - 3953 =R
5461 - 1444 =C
7143 - 903 =H
9902 - 3735 =O
8983 - 1538 =U
8219 - 4725 =P
5535 - 1575 =M
9892 - 2525 =S
5043 - 3232 =B
6952 - 2089 =A
11058 - 4793 =D
3338 - 1630 =L
12416 - 4030 =E
0/15 letters found
Clue 4
Multiplication facts (1-12)
Miner Axle calculated the total crystal yield across six equal mining rows.
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
4
88
48
54
48
T
4
48
3
T
4
15
6
48
10
60
25
2
54
9
15
144
6
48
35
88
56
15
35
56
T
4
9
3
48
2
48
4 × 1 =T
1 × 3 =C
8 × 7 =A
1 × 6 =V
7 × 5 =R
6 × 9 =D
1 × 2 =N
4 × 12 =E
11 × 8 =H
1 × 9 =S
10 × 1 =F
12 × 12 =L
12 × 5 =O
5 × 3 =I
5 × 5 =U
0/15 letters found
Clue 5
Division facts (1-12) — the last clue
Tech Sam divided the remaining battery packs equally among the scout ships.
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
3 ÷ 3 = ?
48 ÷ 6 = ?
77 ÷ 11 = ?
66 ÷ 11 = ?
63 ÷ 7 = ?
24 ÷ 12 = ?
33 ÷ 3 = ?
40 ÷ 10 = ?
110 ÷ 11 = ?
5 ÷ 1 = ?
48 ÷ 4 = ?
Step 2 — cross out the sentence with each answer
1.The villain boosted over the security wall, then scanned for hidden guard droids.
2.The villain drilled into the storage bay, then scouted the escape route.
3.The villain drilled into the storage bay, then scanned for hidden guard droids.
4.The villain boosted over the security wall, then deflected the alarm beams.
5.The villain boosted over the security wall, then scouted the escape route.
6.The villain stomp blasted through the floor, then scouted the escape route.
7.The villain zapped the vault lock, then scanned for hidden guard droids.
8.The villain drilled into the storage bay, then deflected the alarm beams.
9.The villain stomp blasted through the floor, then scanned for hidden guard droids.
10.The villain stomp blasted through the floor, then warped through the emergency hatch.
11.The villain drilled into the storage bay, then pulled the glowing chest close.
12.The villain fired a redstone pulse at the door, then scanned for hidden guard droids.
Solve it
Name the culprit
Choose the one suspect left standing.
Answer Key — The Mystery of the Moon Block Heist
Culprit: Tech Jade (plasma drill · cosmic visor · wears a right glove · braided silver hair · allergic to space dust)
- Clue 1 (Rounding): "THE VILLAIN DOES NOT USE AN ENDER MAGNET"Round 368 to the nearest ten = 370 (T) · Round 2,345 to the nearest thousand = 2000 (I) · Round 30 to the nearest ten = 30 (M) · Round 306 to the nearest hundred = 300 (O) · Round 4,342 to the nearest hundred = 4300 (E) · Round 3,334 to the nearest thousand = 3000 (V) · Round 17 to the nearest ten = 20 (S) · Round 90 to the nearest ten = 90 (N) · Round 430 to the nearest ten = 430 (U) · Round 169 to the nearest ten = 170 (L) · Round 8,561 to the nearest thousand = 9000 (R) · Round 1,290 to the nearest hundred = 1300 (A) · Round 4,540 to the nearest thousand = 5000 (G) · Round 1,051 to the nearest hundred = 1100 (H) · Round 2,333 to the nearest hundred = 2300 (D)
- Clue 2 (Addition): "WITNESS SAW A RIGHT GLOVE NEAR THE SWITCH"2168 + 4434 = 6602 (W) · 3775 + 3032 = 6807 (S) · 4379 + 3748 = 8127 (A) · 1937 + 2791 = 4728 (V) · 1278 + 1161 = 2439 (G) · 3228 + 6329 = 9557 (O) · 1930 + 2098 = 4028 (H) · 2746 + 3476 = 6222 (E) · 4586 + 4958 = 9544 (T) · 2946 + 3420 = 6366 (L) · 2970 + 1662 = 4632 (R) · 3735 + 3067 = 6802 (N) · 2463 + 3039 = 5502 (I) · 3187 + 4046 = 7233 (C)
- Clue 3 (Subtraction): "THE HERO BLEW SPACE DUST TO STOP THEM"6910 - 3840 = 3070 (T) · 8149 - 1195 = 6954 (W) · 9723 - 3953 = 5770 (R) · 5461 - 1444 = 4017 (C) · 7143 - 903 = 6240 (H) · 9902 - 3735 = 6167 (O) · 8983 - 1538 = 7445 (U) · 8219 - 4725 = 3494 (P) · 5535 - 1575 = 3960 (M) · 9892 - 2525 = 7367 (S) · 5043 - 3232 = 1811 (B) · 6952 - 2089 = 4863 (A) · 11058 - 4793 = 6265 (D) · 3338 - 1630 = 1708 (L) · 12416 - 4030 = 8386 (E)
- Clue 4 (Multiplication facts (1-12)): "THE DETECTIVE FOUND SILVER HAIR AT SCENE"4 × 1 = 4 (T) · 1 × 3 = 3 (C) · 8 × 7 = 56 (A) · 1 × 6 = 6 (V) · 7 × 5 = 35 (R) · 6 × 9 = 54 (D) · 1 × 2 = 2 (N) · 4 × 12 = 48 (E) · 11 × 8 = 88 (H) · 1 × 9 = 9 (S) · 10 × 1 = 10 (F) · 12 × 12 = 144 (L) · 12 × 5 = 60 (O) · 5 × 3 = 15 (I) · 5 × 5 = 25 (U)
- Clue 5 (Division facts (1-12)): surviving statement (box 3) → Tech Jade3 ÷ 3 = 1 · 48 ÷ 6 = 8 · 77 ÷ 11 = 7 · 66 ÷ 11 = 6 · 63 ÷ 7 = 9 · 24 ÷ 12 = 2 · 33 ÷ 3 = 11 · 40 ÷ 10 = 4 · 110 ÷ 11 = 10 · 5 ÷ 1 = 5 · 48 ÷ 4 = 12
About this mystery
- Grade level
- Grade 4 math
- Math topics
- Rounding, Addition, Subtraction, Multiplication, Division
- Reading level
- grades 3-4
- Theme
- The Mystery of the Moon Block Heist — set in Orbit Block Station Alpha
- Format
- Interactive online & printable worksheet with answer key
- Solution
- One unique, verified culprit among 21 suspects